Commit Graph

1132 Commits

Author SHA1 Message Date
Arvind Sankar b6437ea41c Move libspl_assertf into .c file
Variadic functions cannot be inlined. libspl_assertf ends up being
duplicated in every file that uses it.

Fix this by moving the function into a new assert.c. Also move the
definition of aok into the new file instead of zone.c.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Closes #10538
2020-07-10 14:25:24 -07:00
Ryan Moeller a2ec738c75
ZTS: Make bc conditional use compatible with new BSD bc
FreeBSD recently replaced the GNU bc and dc in the base system with
BSD licensed versions.  They are supposed to be compatible with all
the features present in the GNU versions, but it turns out they are
picky about `if` statements having a corresponding `else`.  ZTS uses
`echo "if ($x > $y) 1" | bc` in a few places, which causes tests to
fail unexpectedly with the new bc.

Change the two expressions in ZTS to `if ($x > $y) 1 else 0` for
compatibility with the new BSD bc.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10551
2020-07-09 17:49:02 -07:00
Brian Behlendorf 9a49d3f3d3
Add device rebuild feature
The device_rebuild feature enables sequential reconstruction when
resilvering.  Mirror vdevs can be rebuilt in LBA order which may
more quickly restore redundancy depending on the pools average block
size, overall fragmentation and the performance characteristics
of the devices.  However, block checksums cannot be verified
as part of the rebuild thus a scrub is automatically started after
the sequential resilver completes.

The new '-s' option has been added to the `zpool attach` and
`zpool replace` command to request sequential reconstruction
instead of healing reconstruction when resilvering.

    zpool attach -s <pool> <existing vdev> <new vdev>
    zpool replace -s <pool> <old vdev> <new vdev>

The `zpool status` output has been updated to report the progress
of sequential resilvering in the same way as healing resilvering.
The one notable difference is that multiple sequential resilvers
may be in progress as long as they're operating on different
top-level vdevs.

The `zpool wait -t resilver` command was extended to wait on
sequential resilvers.  From this perspective they are no different
than healing resilvers.

Sequential resilvers cannot be supported for RAIDZ, but are
compatible with the dRAID feature being developed.

As part of this change the resilver_restart_* tests were moved
in to the functional/replacement directory.  Additionally, the
replacement tests were renamed and extended to verify both
resilvering and rebuilding.

Original-patch-by: Isaac Huang <he.huang@intel.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: John Poduska <jpoduska@datto.com>
Co-authored-by: Mark Maybee <mmaybee@cray.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #10349
2020-07-03 11:05:50 -07:00
Robert Novak bfcbec6f5d
Add block histogram to zdb
The block histogram tracks the changes to psize, lsize and asize
both in the count of the number of blocks (by blocksize) and the
total length of all of the blocks for that blocksize.  It also
keeps a running total of the cumulative size of all of the blocks
up to each size to help determine the size of caching SSDs to be
added to zfs hardware deployments.

The block history counts and lengths are summarized in bins
which are powers of two. Even rows with counts of zero are printed.

This change is accessed by specifying one of two options:

zdb -bbb pool
zdb -Pbbb pool

The first version prints the table in fixed size columns.
The second prints in "parseable" output that can be placed into
a CSV file.

Fixed Column, nicenum output sample:
  block   psize                lsize                asize
   size   Count Length   Cum.  Count Length   Cum.  Count Length   Cum.
    512:  3.50K  1.75M  1.75M  3.43K  1.71M  1.71M  3.41K  1.71M  1.71M
     1K:  3.65K  3.67M  5.43M  3.43K  3.44M  5.15M  3.50K  3.51M  5.22M
     2K:  3.45K  6.92M  12.3M  3.41K  6.83M  12.0M  3.59K  7.26M  12.5M
     4K:  3.44K  13.8M  26.1M  3.43K  13.7M  25.7M  3.49K  14.1M  26.6M
     8K:  3.42K  27.3M  53.5M  3.41K  27.3M  53.0M  3.44K  27.6M  54.2M
    16K:  3.43K  54.9M   108M  3.50K  56.1M   109M  3.42K  54.7M   109M
    32K:  3.44K   110M   219M  3.41K   109M   218M  3.43K   110M   219M
    64K:  3.41K   218M   437M  3.41K   218M   437M  3.44K   221M   439M
   128K:  3.41K   437M   874M  3.70K   474M   911M  3.41K   437M   876M
   256K:  3.41K   874M  1.71G  3.41K   874M  1.74G  3.41K   874M  1.71G
   512K:  3.41K  1.71G  3.41G  3.41K  1.71G  3.45G  3.41K  1.71G  3.42G
     1M:  3.41K  3.41G  6.82G  3.41K  3.41G  6.86G  3.41K  3.41G  6.83G
     2M:      0      0  6.82G      0      0  6.86G      0      0  6.83G
     4M:      0      0  6.82G      0      0  6.86G      0      0  6.83G
     8M:      0      0  6.82G      0      0  6.86G      0      0  6.83G
    16M:      0      0  6.82G      0      0  6.86G      0      0  6.83G

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Robert E. Novak <novak5@llnl.gov>
Closes: #9158 
Closes #10315
2020-06-26 15:09:20 -07:00
Arvind Sankar 6b99fc0620 Fixes for make dist
Reduce the usage of EXTRA_DIST. If files are conditionally included in
_SOURCES, _HEADERS etc, automake is smart enough to dist all files that
could possibly be included, but this does not apply to EXTRA_DIST,
resulting in make dist depending on the configuration.

Add some files that were missing altogether in various Makefile's.

The changes to disted files in this commit (excluding deleted files):

+./cmd/zed/agents/README.md
+./etc/init.d/README.md
+./lib/libspl/os/freebsd/getexecname.c
+./lib/libspl/os/freebsd/gethostid.c
+./lib/libspl/os/freebsd/getmntany.c
+./lib/libspl/os/freebsd/mnttab.c
-./lib/libzfs/libzfs_core.pc
-./lib/libzfs/libzfs.pc
+./lib/libzfs/os/freebsd/libzfs_compat.c
+./lib/libzfs/os/freebsd/libzfs_fsshare.c
+./lib/libzfs/os/freebsd/libzfs_ioctl_compat.c
+./lib/libzfs/os/freebsd/libzfs_zmount.c
+./lib/libzutil/os/freebsd/zutil_compat.c
+./lib/libzutil/os/freebsd/zutil_device_path_os.c
+./lib/libzutil/os/freebsd/zutil_import_os.c
+./module/lua/README.zfs
+./module/os/linux/spl/README.md
+./tests/README.md
+./tests/zfs-tests/tests/functional/cli_root/zfs_clone/zfs_clone_rm_nested.ksh
+./tests/zfs-tests/tests/functional/cli_root/zfs_send/zfs_send_encrypted_unloaded.ksh
+./tests/zfs-tests/tests/functional/inheritance/README.config
+./tests/zfs-tests/tests/functional/inheritance/README.state
+./tests/zfs-tests/tests/functional/rsend/rsend_016_neg.ksh
+./tests/zfs-tests/tests/perf/fio/sequential_readwrite.fio

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Closes #10501
2020-06-26 14:20:02 -07:00
felixdoerre 221e67040f
pam: implement a zfs_key pam module
Implements a pam module for automatically loading zfs encryption keys 
for home datasets. The pam module:

  - loads a zfs key and mounts the dataset when a session opens.
  - unmounts the dataset and unloads the key when the session closes.
  - when the user is logged on and changes the password, the module
    changes the encryption key.

Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: @jengelh <jengelh@inai.de>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Felix Dörre <felix@dogcraft.de>
Closes #9886
Closes #9903
2020-06-24 18:45:44 -07:00
Ryan Moeller 9192f27c1d
Add zfs_multihost_interval tunable handler for FreeBSD
This tunable required a handler to be implemented for
ZFS_MODULE_PARAM_CALL.

Add the handler so the tunable can be declared in common code.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10490
2020-06-23 13:32:42 -07:00
Matthew Ahrens 540493ba4f
Clarify comments in config/*.m4, vdev_geom.c, zfs_allow_*.ksh
Rephrase comments to be more clear.

Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #10481
2020-06-22 09:46:37 -07:00
Arvind Sankar c3fe42aabd Remove dead code
Delete unused functions.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Closes #10470
2020-06-18 12:21:18 -07:00
Arvind Sankar 65c7cc49bf Mark functions as static
Mark functions used only in the same translation unit as static. This
only includes functions that do not have a prototype in a header file
either.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Closes #10470
2020-06-18 12:20:38 -07:00
adilger f734301d22
linux: add basic fallocate(mode=0/2) compatibility
Implement semi-compatible functionality for mode=0 (preallocation)
and mode=FALLOC_FL_KEEP_SIZE (preallocation beyond EOF) for ZPL.

Since ZFS does COW and snapshots, preallocating blocks for a file
cannot guarantee that writes to the file will not run out of space.
Even if the first overwrite was guaranteed, it would not handle any
later overwrite of blocks due to COW, so strict compliance is futile.
Instead, make a best-effort check that at least enough free space is
currently available in the pool (with a bit of margin), then create
a sparse file of the requested size and continue on with life.

This does not handle all cases (e.g. several fallocate() calls before
writing into the files when the filesystem is nearly full), which
would require a more complex mechanism to be implemented, probably
based on a modified version of dmu_prealloc(), but is usable as-is.

A new module option zfs_fallocate_reserve_percent is used to control
the reserve margin for any single fallocate call.  By default, this
is 110% of the requested preallocation size, so an additional 10% of
available space is reserved for overhead to allow the application a
good chance of finishing the write when the fallocate() succeeds.
If the heuristics of this basic fallocate implementation are not
desirable, the old non-functional behavior of returning EOPNOTSUPP
for calls can be restored by setting zfs_fallocate_reserve_percent=0.

The parameter of zfs_statvfs() is changed to take an inode instead
of a dentry, since no dentry is available in zfs_fallocate_common().

A few tests from @behlendorf cover basic fallocate functionality.

Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Arshad Hussain <arshad.super@gmail.com>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Co-authored-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andreas Dilger <adilger@dilger.ca>
Issue #326
Closes #10408
2020-06-18 11:22:11 -07:00
Matthew Ahrens f66434268c
Remove unnecessary references to slavery
The horrible effects of human slavery continue to impact society.  The
casual use of the term "slave" in computer software is an unnecessary
reference to a painful human experience.

This commit removes all possible references to the term "slave".

Implementation notes:

The zpool.d/slaves script is renamed to dm-deps, which uses the same
terminology as `dmsetup deps`.

References to the `/sys/class/block/$dev/slaves` directory remain.  This
directory name is determined by the Linux kernel.  Although
`dmsetup deps` provides the same information, it unfortunately requires
elevated privileges, whereas the `/sys/...` directory is world-readable.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #10435
2020-06-10 17:07:59 -07:00
Andrea Gelmini dd4bc569b9
Fix typos
Correct various typos in the comments and tests.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #10423
2020-06-09 21:24:09 -07:00
Matthew Ahrens 7bcb7f0840
File incorrectly zeroed when receiving incremental stream that toggles -L
Background:

By increasing the recordsize property above the default of 128KB, a
filesystem may have "large" blocks.  By default, a send stream of such a
filesystem does not contain large WRITE records, instead it decreases
objects' block sizes to 128KB and splits the large blocks into 128KB
blocks, allowing the large-block filesystem to be received by a system
that does not support the `large_blocks` feature.  A send stream
generated by `zfs send -L` (or `--large-block`) preserves the large
block size on the receiving system, by using large WRITE records.

When receiving an incremental send stream for a filesystem with large
blocks, if the send stream's -L flag was toggled, a bug is encountered
in which the file's contents are incorrectly zeroed out.  The contents
of any blocks that were not modified by this send stream will be lost.
"Toggled" means that the previous send used `-L`, but this incremental
does not use `-L` (-L to no-L); or that the previous send did not use
`-L`, but this incremental does use `-L` (no-L to -L).

Changes:

This commit addresses the problem with several changes to the semantics
of zfs send/receive:

1. "-L to no-L" incrementals are rejected.  If the previous send used
`-L`, but this incremental does not use `-L`, the `zfs receive` will
fail with this error message:

    incremental send stream requires -L (--large-block), to match
    previous receive.

2. "no-L to -L" incrementals are handled correctly, preserving the
smaller (128KB) block size of any already-received files that used large
blocks on the sending system but were split by `zfs send` without the
`-L` flag.

3. A new send stream format flag is added, `SWITCH_TO_LARGE_BLOCKS`.
This feature indicates that we can correctly handle "no-L to -L"
incrementals.  This flag is currently not set on any send streams.  In
the future, we intend for incremental send streams of snapshots that
have large blocks to use `-L` by default, and these streams will also
have the `SWITCH_TO_LARGE_BLOCKS` feature set. This ensures that streams
from the default use of `zfs send` won't encounter the bug mentioned
above, because they can't be received by software with the bug.

Implementation notes:

To facilitate accessing the ZPL's generation number,
`zfs_space_delta_cb()` has been renamed to `zpl_get_file_info()` and
restructured to fill in a struct with ZPL-specific info including owner
and generation.

In the "no-L to -L" case, if this is a compressed send stream (from
`zfs send -cL`), large WRITE records that are being written to small
(128KB) blocksize files need to be decompressed so that they can be
written split up into multiple blocks.  The zio pipeline will recompress
each smaller block individually.

A new test case, `send-L_toggle`, is added, which tests the "no-L to -L"
case and verifies that we get an error for the "-L to no-L" case.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #6224 
Closes #10383
2020-06-09 10:41:01 -07:00
Igor K 6722be2823
ZTS: Fix add-o_ashift.ksh
Use option '-o' after action for compatibility

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #10426
2020-06-09 10:31:16 -07:00
George Amanakis b7654bd794
Trim L2ARC
The l2arc_evict() function is responsible for evicting buffers which
reference the next bytes of the L2ARC device to be overwritten. Teach
this function to additionally TRIM that vdev space before it is
overwritten if the device has been filled with data. This is done by
vdev_trim_simple() which trims by issuing a new type of TRIM,
TRIM_TYPE_SIMPLE.

We also implement a "Trim Ahead" feature. It is a zfs module parameter,
expressed in % of the current write size. This trims ahead of the
current write size. A minimum of 64MB will be trimmed. The default is 0
which disables TRIM on L2ARC as it can put significant stress to
underlying storage devices. To enable TRIM on L2ARC we set
l2arc_trim_ahead > 0.

We also implement TRIM of the whole cache device upon addition to a
pool, pool creation or when the header of the device is invalid upon
importing a pool or onlining a cache device. This is dependent on
l2arc_trim_ahead > 0. TRIM of the whole device is done with
TRIM_TYPE_MANUAL so that its status can be monitored by zpool status -t.
We save the TRIM state for the whole device and the time of completion
on-disk in the header, and restore these upon L2ARC rebuild so that
zpool status -t can correctly report them. Whole device TRIM is done
asynchronously so that the user can export of the pool or remove the
cache device while it is trimming (ie if it is too slow).

We do not TRIM the whole device if persistent L2ARC has been disabled by
l2arc_rebuild_enabled = 0 because we may not want to lose all cached
buffers (eg we may want to import the pool with
l2arc_rebuild_enabled = 0 only once because of memory pressure). If
persistent L2ARC has been disabled by setting the module parameter
l2arc_rebuild_blocks_min_l2size to a value greater than the size of the
cache device then the whole device is trimmed upon creation or import of
a pool if l2arc_trim_ahead > 0.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Adam D. Moss <c@yotes.com>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #9713
Closes #9789 
Closes #10224
2020-06-09 10:15:08 -07:00
alaviss 13dd63ff81
mkfile: include missing headers
Without these headers, compilation fails on musl libc with offset_t
being undeclared and MIN being implictly declared.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Hiếu Lê <leorize+oss@disroot.org>
Closes #10406
2020-06-05 17:22:10 -07:00
Ryan Moeller 4f8b2356cc
ZTS: Retry export/destroy when busy in zpool_import_012
It can take a moment for the NFS server to give up the mountpoint
after unsharing a filesystem.

Use log_must_busy to retry export/destroy a few times after switching
off sharenfs.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10380
2020-05-27 17:18:06 -07:00
Brian Behlendorf c946d5a913
ZTS: Fix zfs_mount.kshlib cleanup
Update cleanup_filesystem to use destroy_dataset when performing
cleanup.  This ensures the destroy is retried if the pool is busy
preventing occasional failures.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #10358
2020-05-23 17:13:42 -07:00
felixdoerre 501a1511ae
mount: use the mount syscall directly
Allow zfs datasets to be mounted on Linux without relying on the
invocation of an external processes.  This is the same behavior
which is implemented for FreeBSD.

Use of the libmount library was originally considered because it 
provides functionality to properly lock and update the /etc/mtab 
file.  However, these days /etc/mtab is typically a symlink to 
/proc/self/mounts so there's nothing to updated.  Therefore, we
call mount(2) directly and avoid any additional dependencies. 

If required the legacy behavior can be enabled by setting the 
ZFS_MOUNT_HELPER environment variable.  This may be needed in
environments where SELinux in enabled and the zfs binary does  
not have mount permission.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Felix Dörre <felix@dogcraft.de>
#10294
2020-05-20 18:02:41 -07:00
Paul Dagnelie de4f06c275
Small program that converts a dataset id and an object id to a path
Small program that converts a dataset id and an object id to a path

Reviewed-by: Prakash Surya <prakash.surya@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #10204
2020-05-20 10:05:33 -07:00
John Wren Kennedy e1fcd940e7
ZTS: zpool_split_indirect deletes zfstest log file
The cleanup routine for this test attempts to remove some temporary
files with `rm -f $VDEV_*`, but VDEV_ is undefined. As a result, all
files in the current working directory (/var/tmp/test_results/current)
get removed instead. This includes the complete log file of all tests.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: George Amanakis <gamanakis@gmail.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>
Closes #10324
2020-05-14 09:39:47 -07:00
John Poduska 41035a0496
Resilver restarts unnecessarily when it encounters errors
When a resilver finishes, vdev_dtl_reassess is called to hopefully
excise DTL_MISSING (amongst other things). If there are errors during
the resilver, they are tracked in DTL_SCRUB, as spelled out in the
block comment in vdev.c. DTL_SCRUB is in-core only, so it can only
be used if the pool was online for the whole resilver. This state is
tracked with the spa_scrub_started flag, which only gets set when
the scan is initialized. Unfortunately, this flag gets cleared right
before vdev_dtl_reassess gets called, so if there are any errors
during the scan, DTL_MISSING will never get excised and the resilver
will just continually restart. This fix simply moves clearing that
flag until after the call to vdev_dtl_reasses.

In addition, if a pool is imported and already has scn_errors > 0,
this change will restart the resilver immediately instead of doing
the rest of the scan and then restarting it from the beginning. On
the other hand, if scn_errors == 0 at import, then no errors have
been encountered so far, so the spa_scrub_started flag can be safely
set.

A test has been added to verify that resilver does not restart when
relevant DTL's are available.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Paul Zuchowski <pzuchowski@datto.com>
Signed-off-by: John Poduska <jpoduska@datto.com>
Closes #10291
2020-05-13 10:54:27 -07:00
Petros Koutoupis bd95f00d4b
Fixed LDADD library links in Makefiles for cross compilation builds
When building on native dev system, there are no issues but when
cross-compiling for target system, some linker errors are observed.
The only way to avoid these errors is by adjusting the Makefile.am
of those various components to add the library dependencies.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Petros Koutoupis <petros@petroskoutoupis.com>
Closes #10304
2020-05-09 10:17:08 -07:00
Brian Behlendorf d775c86dd4
ZTS: refreserv_005_pos.ksh
When recursively destroying the dataset it's possible for the
dataset volume to be open by an unrelated process, like blkid.
Use the destroy_dataset() which will retry when this occurs.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #10305
2020-05-08 13:50:02 -07:00
George Amanakis 657fd33bcf
Improvements on persistent L2ARC
Functional changes:

We implement refcounts of log blocks and their aligned size on the
cache device along with two corresponding arcstats. The refcounts are
reflected in the header of the device and provide valuable information
as to whether log blocks are accounted for correctly. These are
dynamically adjusted as log blocks are committed/evicted. zdb also uses
this information in the device header and compares it to the
corresponding values as reported by dump_l2arc_log_blocks() which
emulates l2arc_rebuild(). If the refcounts saved in the device header
report higher values, zdb exits with an error. For this feature to work
correctly there should be no active writes on the device. This is also
employed in the tests of persistent L2ARC. We extend the structure of
the cache device header by adding the two new variables mirroring the
refcounts after the existing variables to preserve backward
compatibility in terms of persistent L2ARC.

1) a new arcstat "l2_log_blk_asize" and refcount "l2ad_lb_asize" which
   reflect the total aligned size of log blocks on the device. This is
   also reflected in the header of the cache device as "dh_lb_asize".
2) a new arcstat "l2arc_log_blk_count" and refcount "l2ad_lb_count"
   which reflect the total number of L2ARC log blocks present on cache
   devices.  It is also reflected in the header of the cache device as
   "dh_lb_count".

In l2arc_rebuild_vdev() if the amount of committed log entries in a log
block is 0 and the device header is valid we update the device header.
This will facilitate trimming of the whole device in this case when
TRIM for L2ARC is implemented.

Improve loop protection in l2arc_rebuild() by using the starting offset
of the payload of each log block instead of the starting offset of the
log block.

If the zio in l2arc_write_buffers() fails, restore the lbps array in the
header of the device to its previous state in l2arc_write_done().

If l2arc_rebuild() ends the rebuild process without restoring any L2ARC
log blocks in ARC and without any other error, this means that the lbps
array in the header is pointing to non-existent or invalid log blocks.
Reset the device header in this case.

In l2arc_rebuild() change the zfs_dbgmsg messages to
spa_history_log_internal() making them user visible with zpool history
command.

Non-functional changes:

Make the first test in persistent L2ARC use `zdb -lll` to increase
coverage in `zdb.c`.

Rename psize with asize when referring to log blocks, since
L2ARC_SET_PSIZE stores the vdev aligned size for log blocks. Also
rename dh_log_blk_entries to dh_log_entries to make it clear that
it is a mirror of l2ad_log_entries. Added comments for both changes.

Fix inaccurate comments for example in l2arc_log_blk_restore().

Add asserts at the end in l2arc_evict() and l2arc_write_buffers().

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #10228
2020-05-07 16:34:03 -07:00
Paul Dagnelie 108a454a46
Add support for boot environment data to be stored in the label
Modern bootloaders leverage data stored in the root filesystem to 
enable some of their powerful features. GRUB specifically has a grubenv 
file which can store large amounts of configuration data that can be 
read and written at boot time and during normal operation. This allows 
sysadmins to configure useful features like automated failover after 
failed boot attempts. Unfortunately, due to the Copy-on-Write nature 
of ZFS, the standard behavior of these tools cannot handle writing to
ZFS files safely at boot time. We need an alternative way to store 
data that allows the bootloader to make changes to the data.

This work is very similar to work that was done on Illumos to enable 
similar functionality in the FreeBSD bootloader. This patch is different 
in that the data being stored is a raw grubenv file; this file can store 
arbitrary variables and values, and the scripting provided by grub is 
powerful enough that special structures are not required to implement 
advanced behavior.

We repurpose the second padding area in each label to store the grubenv 
file, protected by an embedded checksum. We add two ioctls to get and 
set this data, and libzfs_core and libzfs functions to access them more 
easily. There are no direct command line interfaces to these functions; 
these will be added directly to the bootloader utilities.

Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #10009
2020-05-07 09:36:33 -07:00
George Amanakis 1b664952ae
Enable splitting mirrors with indirect vdevs
When a top-level vdev is removed from a pool it is converted to an
indirect vdev. Until now splitting such mirrored pools was not possible
with zpool split. This patch enables handling of indirect vdevs and
splitting of those pools with zpool split.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #10283
2020-05-06 10:32:28 -07:00
Ryan Moeller 6ed4391da9
ZTS: Count CKSUM for all vdevs in verify_pool
The verify_pool function should detect checksum errors on any vdev, but
it was only checking at the root of the pool.

Accumulate the errors for all vdevs to obtain the correct count.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10271
2020-04-30 17:50:16 -07:00
Sara Hartse 89a6610ed0
Add more sanity testing for zdb input args
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: sara hartse <sara.hartse@delphix.com>
Closes #10243
2020-04-28 09:56:31 -07:00
alex 47c9299fcc
zfs_create: round up volume size to multiple of bs
Round up the volume size requested in `zfs create -V size` to the next
higher multiple of the volblocksize. Updates the man page and adds a
test to verify the new behavior.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reported-by: puffi <puffi@users.noreply.github.com>
Signed-off-by: Alex John <alex@stty.io>
Closes #8541 
Closes #10196
2020-04-24 19:04:34 -07:00
Matthew Ahrens 196bee4cfd
Remove deduplicated send/receive code
Deduplicated send streams (i.e. `zfs send -D` and `zfs receive` of such
streams) are deprecated.  Deduplicated send streams can be received by
first converting them to non-deduplicated with the `zstream redup`
command.

This commit removes the code for sending and receiving deduplicated send
streams.  `zfs send -D` will now print a warning, ignore the `-D` flag,
and generate a regular (non-deduplicated) send stream.  `zfs receive` of
a deduplicated send stream will print an error message and fail.

The resulting code simplification (especially in the kernel's support
for receiving dedup streams) should help enable future performance
enhancements.

Several new tests are added which leverage `zstream redup`.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Issue #7887
Issue #10117
Issue #10156
Closes #10212
2020-04-23 10:06:57 -07:00
George Amanakis 9249f1272e
Persistent L2ARC minor fixes
Minor fixes on persistent L2ARC improving code readability and fixing 
a typo in zdb.c when byte-swapping a log block. It also improves the 
pesist_l2arc_007_pos.ksh test by giving it more time to retrieve log 
blocks on the cache device.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Adam D. Moss <c@yotes.com>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #10210
2020-04-17 09:27:40 -07:00
Ryan Moeller a7929f3137
Update FreeBSD tunables
Remove some obsolete legacy compat, rename some misnamed, and add some
missing tunables for FreeBSD.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10203
2020-04-15 11:14:47 -07:00
Matthew Macy 9f0a21e641
Add FreeBSD support to OpenZFS
Add the FreeBSD platform code to the OpenZFS repository.  As of this
commit the source can be compiled and tested on FreeBSD 11 and 12.
Subsequent commits are now required to compile on FreeBSD and Linux.
Additionally, they must pass the ZFS Test Suite on FreeBSD which is
being run by the CI.  As of this commit 1230 tests pass on FreeBSD
and there are no unexpected failures.

Reviewed-by: Sean Eric Fagan <sef@ixsystems.com>
Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Co-authored-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #898 
Closes #8987
2020-04-14 11:36:28 -07:00
alex c602b35cf7
ZTS: Fix and change testcase cache_010_neg
Commit 379ca9c removed the requirement on aux devices to be block
devices only but the test case cache_010_neg was not updated, making it
fail consistently.

This change changes the test to check that cache devices _can_ be
anything that presents a block interface. The testcase is renamed to
cache_010_pos and the exceptions for known failure removed from the test
runner.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reported-by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Alex John <alex@stty.io>
Closes #10172
2020-04-13 10:50:41 -07:00
Matthew Ahrens c618f87cd2
Add `zstream redup` command to convert deduplicated send streams
Deduplicated send and receive is deprecated.  To ease migration to the
new dedup-send-less world, the commit adds a `zstream redup` utility to
convert deduplicated send streams to normal streams, so that they can
continue to be received indefinitely.

The new `zstream` command also replaces the functionality of
`zstreamdump`, by way of the `zstream dump` subcommand.  The
`zstreamdump` command is replaced by a shell script which invokes
`zstream dump`.

The way that `zstream redup` works under the hood is that as we read the
send stream, we build up a hash table which maps from `<GUID, object,
offset> -> <file_offset>`.

Whenever we see a WRITE record, we add a new entry to the hash table,
which indicates where in the stream file to find the WRITE record for
this block. (The key is `drr_toguid, drr_object, drr_offset`.)

For entries other than WRITE_BYREF, we pass them through unchanged
(except for the running checksum, which is recalculated).

For WRITE_BYREF records, we change them to WRITE records.  We find the
referenced WRITE record by looking in the hash table (for the record
with key `drr_refguid, drr_refobject, drr_refoffset`), and then reading
the record header and payload from the specified offset in the stream
file.  This is why the stream can not be a pipe.  The found WRITE record
replaces the WRITE_BYREF record, with its `drr_toguid`, `drr_object`,
and `drr_offset` fields changed to be the same as the WRITE_BYREF's
(i.e. we are writing the same logical block, but with the data supplied
by the previous WRITE record).

This algorithm requires memory proportional to the number of WRITE
records (same as `zfs send -D`), but the size per WRITE record is
relatively low (40 bytes, vs. 72 for `zfs send -D`).  A 1TB send stream
with 8KB blocks (`recordsize=8k`) would use around 5GB of RAM to
"redup".

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #10124 
Closes #10156
2020-04-10 10:39:55 -07:00
George Amanakis 77f6826b83
Persistent L2ARC
This commit makes the L2ARC persistent across reboots. We implement
a light-weight persistent L2ARC metadata structure that allows L2ARC
contents to be recovered after a reboot. This significantly eases the
impact a reboot has on read performance on systems with large caches.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: George Wilson <gwilson@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Co-authored-by: Saso Kiselkov <skiselkov@gmail.com>
Co-authored-by: Jorgen Lundman <lundman@lundman.net>
Co-authored-by: George Amanakis <gamanakis@gmail.com>
Ported-by: Yuxuan Shui <yshuiv7@gmail.com>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #925 
Closes #1823 
Closes #2672 
Closes #3744 
Closes #9582
2020-04-10 10:33:35 -07:00
Ryan Moeller 4a21ec0560
ZTS: Fix non-portable date format
The delegate tests use `date(1)` to generate snapshot names, using
the format '%F-%T-%N' to get nanosecond resolution (since multiple
snapshots may be taken in the same second).  '%N' is not portable, and
causes tests to fail on FreeBSD.

Since the only purpose these timestamps serve is to create a unique
name, simply use $RANDOM instead.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10170
2020-04-06 16:07:35 -07:00
Paul Dagnelie 5a42ef04fd
Add 'zfs wait' command
Add a mechanism to wait for delete queue to drain.

When doing redacted send/recv, many workflows involve deleting files 
that contain sensitive data. Because of the way zfs handles file 
deletions, snapshots taken quickly after a rm operation can sometimes 
still contain the file in question, especially if the file is very 
large. This can result in issues for redacted send/recv users who 
expect the deleted files to be redacted in the send streams, and not 
appear in their clones.

This change duplicates much of the zpool wait related logic into a 
zfs wait command, which can be used to wait until the internal
deleteq has been drained.  Additional wait activities may be added 
in the future. 

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Gallagher <john.gallagher@delphix.com>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #9707
2020-04-01 10:02:06 -07:00
George Amanakis 37c22948e5
Reset l2ad_hand and l2ad_first in l2arc_evict
Increasing l2arc_write_size or l2arc_write_boost can result in
l2arc_write_buffers() not having enough space to perform its writes and
panic zio_write_phys().

Instead of resetting l2ad_hand to l2ad_start at the end of
l2arc_write_buffers() and not taking into account a possible
user-mediated increase of l2arc_write_max, we do this in l2arc_evict(),
right after l2arc_write_size() has run. If there is not enough space to
evict (ie we will exceed l2ad_end) we evict to the end of the device,
reset l2ad_hand to l2ad_start, set l2ad_first to 0 and iterate
l2arc_evict(). We avoid infinite iteration of l2arc_evict() by making
sure in l2arc_write_size() that l2ad_start + size does not exceed
l2ad_end.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: George Amanakis <gamanakis@gmail.com>
Closes #10154
2020-03-31 10:46:48 -07:00
Ryan Moeller c96a32e1a3
ZTS: Skip udev actions in zvol_misc when not Linux
udev is only used on Linux.

Skip udev_wait and udev_cleanup when not on Linux.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10165
2020-03-31 10:35:14 -07:00
Ryan Moeller ef3331e703
ZTS: Wait for free space between quota tests
And in removal tests, sync the specific pool we are waiting on.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10146
2020-03-26 10:48:19 -07:00
Ryan Moeller 22df2457a7
Avoid core dump on invalid redaction bookmark
libzfs aborts and dumps core on EINVAL from the kernel when trying to
do a redacted send with a bookmark that is not a redaction bookmark.

Move redacted bookmark validation into libzfs.

Check if the bookmark given for redactions is actually a redaction
bookmark.  Print an error message and exit gracefully if it is not.

Don't abort on EINVAL in zfs_send_one.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10138
2020-03-18 12:54:12 -07:00
Brian Behlendorf 6b7028ec51
Fix cstyle warnings
Fix minor cstyle warnings accidentally introduced by 7145123b.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #10143
2020-03-17 15:42:27 -07:00
Paul Dagnelie 7145123b0a
Separate warning for incomplete and corrupt streams
This change adds a separate return code to zfs_ioc_recv that is used 
for incomplete streams, in addition to the existing return code for 
streams that contain corruption.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #10122
2020-03-17 10:30:33 -07:00
Mariusz Zaborski a57d3d45d6
Add option for forcible unmounting dataset while receiving snapshot.
Currently when the dataset is in use we can't receive snapshots.

    zfs send test/1@asd | zfs recv -FM test/2
    cannot unmount '/test/2': Device busy

This commits add option 'M' which attempts to forcibly unmount the
dataset.  Thanks to this we can enforce receiving snapshots in a
single step.

Note that this functionality is not supported on Linux because the
VFS will prevent active mounted filesystems from being unmounted,
even with the force option.  This is the intended VFS behavior.

Test cases were added to verify the expected behavior based on
the platform.

Discussed-with: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Allan Jude <allanjude@freebsd.org>
External-issue: https://reviews.freebsd.org/D22306
Closes #9904
2020-03-17 10:08:32 -07:00
Ryan Moeller 80d98a8f3a
ZTS: Use default_cleanup_noexit where needed
And add log_pass appropriately.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10136
2020-03-17 09:55:18 -07:00
Ryan Moeller cdbc34fc2b
ZTS: Test boundary conditions in alloc_class_012
Issue #9142 describes an error in the checks for device removal that
can prevent removal of special allocation class vdevs in some
situations.

Enhance alloc_class/alloc_class_012_pos to check situations where this
bug occurs.

Update zts-report with knowledge of issue #9142.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10116 
Issue #9142
2020-03-12 10:50:01 -07:00
Ryan Moeller e70b127e05
ZTS: Wait for free space between write_dirs tests
Cleanup for write_dirs involves destroying a dataset filling a pool
and then recreating the dataset for the next test.  Due to the
asynchronous nature of free space accounting, recreating the dataset
can fail for lack of space, causing problems for the next test.

Add wait_freeing $TESTPOOL to wait for the space to be freed and then
sync_pool $TESTPOOL to update the space accounting before attempting
to recreate the test filesystem.

Only use a single disk to create the pool.  Make it a small file so it
does not take too long to fill.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10112
2020-03-12 10:48:46 -07:00
Ryan Moeller ddd9ef3a4f
ZTS: Add a failsafe callback to run after each test
Tests that get killed do not have an opportunity to clean up.

There are many bad states this can leave the system in, but of
particular gravity is when zinject has been used to induce bad
behavior for one or more of the test disks.

Create a failsafe mechanism in test-runner.py that runs a callback
script after every test. The script is common to all tests so all
tests benefit from the protection.

Add an obligatory `zinject -c all` to clear all zinject state after
every test case is run.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10096
2020-03-10 11:00:56 -07:00
Ryan Moeller 9be70c3784
ZTS: Simplify some libtest functions
Don't echo the results of arithmetic expressions, it's not necessary.

Use hw.clockrate sysctl to get CPU freq instead of parsing dmesg.boot
for a line that might not even be there anymore.

Reduce bookkeeping in fill_fs, making it easier to follow.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10113
2020-03-10 10:44:14 -07:00
Ryan Moeller 2b95e91132
ZTS: Another round of changes for FreeBSD
Highlights:
* is_linux -> is_illumos swaps
* make block_device_wait more clever when paths are given
* slightly optimize default_cleanup_noexit
* remove platform differences in user_run
* temporarily expect non-libfetch behavior for keylocation=/foo/bar
* fix sharenfs exceptions
* don't test multihost property
* fix misc broken platform checks
* clear zinjected faults in removal_resume_export callback

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10092
2020-03-06 09:31:32 -08:00
Ryan Moeller f5f6fb03b7
Change default to overlay=on
Filesystems allow overlay mounts by default on FreeBSD and Linux.

Respect the native convention by switching the default to overlay=on,
while retaining the option to turn the property off for compatibility
with other operating systems' conventions.

Update documentation and tests accordingly.

Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10030
2020-03-06 09:28:19 -08:00
Brian Behlendorf 5a1abc4b5b
ZTS: Speed up write_dirs cleanup
The write_dirs tests fill a filesystem with a bunch of files until it
is full.  In cleanup the files are truncated and removed individually.
These tests already take a while to run.

It is quicker and easier to destroy the whole dataset and create a new
one to replace it in the cleanup functions.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10098
2020-03-04 15:12:12 -08:00
Brian Behlendorf fa23c5be88
ZTS: Add missing quotes
`default_setup` takes a disk list as the first argument and has
optional additional arguments that control secondary functionality.
A couple of test setups mistakenly call `default_setup $DISKS`.

Add quotes so the second and subsequent disks are correctly included
in the pool as vdevs rather than triggering unwanted behavior from
`default_setup`.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10097
2020-03-04 15:10:45 -08:00
Brian Behlendorf 4b06d05298
ZTS: Add zts-report exceptions for FreeBSD
There are three tests we expect to fail only on FreeBSD.
* link_count never exits and eventually times out:
 - @amotin tells me this test is probably not applicable to us
 - Skip on FreeBSD
* userobj feature does not activate immediately after pool upgrade
 - low impact; we are aware of this issue
* removal does not appear to condense on export
 - low impact; we are aware of this issue

Additionally removal_with_zdb passes on FreeBSD, so it is moved to
"maybe".

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10093
2020-03-04 15:09:40 -08:00
Brian Behlendorf d16c029f99
ZTS: Test the correct filesystem_limits behavior
See issue #8226: Property filesystem_limit does not work as documented

There have been previous attempts to fix the behavior on Linux, but so
far the issue is still open.  See PRs #8228, #8280.

The existing tests pass for the incorrect behavior.  This is a problem
on FreeBSD; we are failing the tests because we implement the feature
correctly.

I have adapted the tests based on the work by @loli10k in #8280 and
extended the changes to fix the snapshot_limit test as well.

Linux now fails these tests, so entries linking to the issue have been
added to the "maybe" group in zts-report.py.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10082
2020-03-04 15:07:52 -08:00
Brian Behlendorf 2288d41968
Add trim support to zpool wait
Manual trims fall into the category of long-running pool activities
which people might want to wait synchronously for. This change adds
support to 'zpool wait' for waiting for manual trim operations to
complete. It also adds a '-w' flag to 'zpool trim' which can be used to
turn 'zpool trim' into a synchronous operation.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Signed-off-by: John Gallagher <john.gallagher@delphix.com>
Closes #10071
2020-03-04 15:07:11 -08:00
Ryan Moeller 0a0f9a7dc6
ZTS: Provide for nested cleanup routines
Shared test library functions lack a simple way to ensure proper
cleanup in the event of a failure.  The `log_onexit` cleanup pattern
cannot be used in library functions because it uses one global
variable to store the cleanup command.

An example of where this is a serious issue is when a tunable that
artifically stalls kernel progress gets activated and then some check
fails.  Unless the caller knows about the tunable and sets it back,
the system will be left in a bad state.

To solve this problem, turn the global cleanup variable into a stack.
Provide push and pop functions to add additional cleanup steps and
remove them after it is safe again.

The first use of this new functionality is in attempt_during_removal,
which sets REMOVAL_SUSPEND_PROGRESS.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10080
2020-03-03 10:28:09 -08:00
Ryan Moeller 9bb907bc3f
Make spa_history_zone platform-dependent in kernel
This function should only return "linux" on Linux.

Move the kernel part of the function out of common code.
Fix the tests for FreeBSD.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10079
2020-03-02 09:43:30 -08:00
Ryan Moeller 6c0abcfddd
ZTS: Fixup shebang in rsend_016, add to common.run
All other ksh scripts use /bin/ksh in the shebang.

Make rsend_016_neg consistent with the rest of the suite.

The test also was absent from any runfiles. Add it to common.run.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10051
2020-02-28 09:48:29 -08:00
Ryan Moeller f0410e9806
ZTS: Eliminate partitioning from zpool_add
Use file vdevs if we are short on $DISKS.
Also fixed vol recursion for FreeBSD in 004.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10060
2020-02-28 09:46:51 -08:00
Ryan Moeller 3d5ba1cf29
ZTS: Misc fixes for FreeBSD
* Set geom debug flags in corrupt_blocks_at_level
* Use the right time zone for history tests
* Add missing commands.cfg entry for diskinfo
* Rewrite get_last_txg_synced to use zdb
* Don't check ulimits for sparse files
* Suspend removal before removing a vdev, not after

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10054
2020-02-27 09:38:34 -08:00
Matthew Ahrens ab9646166d
ZTS: Fix zfs_receive_004_neg
`zfs recv` of an incremental stream that already exists is ignored, with
a message like:

    receiving incremental stream of pool/fs@incsnap into pool/fs@incsnap
    snap testpool/testfs@incsnap already exists; ignoring

And the command exits successfully (exit code 0).

The zfs_receive_004_neg test is expecting that a this case will fail,
with nonzero exit code.

The fix is to remove this specific command from the test case.  This
lets us check that the remaining commands do in fact fail.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #10055
2020-02-27 09:37:34 -08:00
Ryan Moeller 647ff8e975
ZTS: Fix zfs_copies_002_pos
The function `get_used_prop` does not exist.

Use `get_prop used` instead.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10059
2020-02-26 14:29:12 -08:00
Ryan Moeller abef699866
ZTS: Adapt casenorm tests for FreeBSD
Several casenorm tests pass on FreeBSD but are expected to fail on
Linux.

Move the passing tests from "fail" to "maybe" so that passing on
FreeBSD is not unexpected.

Invert platform logic so FreeBSD doesn't use illumos-only zlook.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10050
2020-02-26 08:41:30 -08:00
Ryan Moeller 3a192f7d89
ZTS: Misc fixes for FreeBSD
* Check for mountd in is_shared to avoid timeout when not running
* Enhance robustness of some cleanup functions
* Simplify atime lookup
* Skip sharenfs validation for now
* Don't add mountpoint property to inheritance validation on FreeBSD

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10047
2020-02-25 16:23:27 -08:00
Olaf Faaland 034313908a
ZTS: zed_start should not fail if zed is already running
zed_start may be called in places where zed is not
typically already running, but this is not a requirement
of the tests.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #9974
2020-02-25 16:02:10 -08:00
Ryan Moeller 92bd4cabd6
ZTS: Misc fixes for FreeBSD
* Force UFS sync before snap in vol rollback tests
* rw is not a valid share option on FreeBSD, use ro instead
* zfs_unmount_nested: mountpoint is in the pool, rmdir *before* export
* Fix some more platform checks
* Fix disappearing group in delegate tests
* Don't try delegating for jailed, only root can set it

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10038
2020-02-24 10:17:55 -08:00
Ryan Moeller 24fcd9fc5c
ZTS: Eliminate partitioning from zpool_destroy
The zpool destroy tests partition a single disk to create two pools.

This can be done using two disks and no partitioning instead.
And temporarily allow vol recursion for FreeBSD while in here.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10036
2020-02-21 16:00:22 -08:00
Ryan Moeller b7dbbf6aa7
ZTS: Refactor is_shared, fix impl on FreeBSD
FreeBSD doesn't have a `share` command.  It does have showmount.

Split the separate platform impls out of is_shared_impl.
Dispatch to the correct platform impl function from is_shared.
Eliminate the use of is_shared_impl from tests.  is_shared works.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10037
2020-02-21 15:59:20 -08:00
Ryan Moeller f5f438194d
ZTS: Move privilege tests to sunos.run
These tests are unspported on FreeBSD and Linux for lack of pfexec.

Move the privilege tests to sunos.run and remove the platform checks.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10035
2020-02-21 08:52:44 -08:00
Ryan Moeller 6a60841631
ZTS: Don't use lsblk on FreeBSD
These tests use lsblk to find the sector size of a disk.
FreeBSD doesn't have lsblk.

Use diskinfo -v to get sector size on FreeBSD.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>\
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10033
2020-02-21 08:38:34 -08:00
Ryan Moeller ca7ea23f8a
ZTS: Fix userquota_006_pos on FreeBSD
FreeBSD uses `pw` for account management. `userquota_006_pos`
erroneously invokes the non-existent `groupdel` command on FreeBSD.

Use `pw groupdel -n` instead of `groupdel` on FreeBSD.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10032
2020-02-20 08:14:24 -08:00
Ryan Moeller b11375d74a
ZTS: Check the right mount options on FreeBSD
FreeBSD does not support the "devices" and "nodevices" mount options.

Do not check these options on FreeBSD.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10028
2020-02-20 08:12:23 -08:00
Ryan Moeller 325a551232
ZTS: Fix faulty slog_replay_fs_001 test
This test is supposed to verify zil operations. For TX_WRITE, writes
must be synchronous in order to be entered in the zil. Linux seems to
be doing sync writes even when they are not asked for, but on FreeBSD
the test does not do what is intended.

Use dd oflag=sync for the parts of this test that are supposed to
result in TX_WRITE zil entries.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10022
2020-02-20 08:11:51 -08:00
Ryan Moeller 8136956716
ZTS: Eliminate partitioning from zpool_create etc
These tests can be made to work without a bunch of complex
partitioning of physical disks.

Use the 3 disks directly, creating a few file disks if needed for a
compelling reason.

Reduce the use of shared variables that don't have a clear utility.

Catch the fallout in tests that include cfg/shlib from zpool_create.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10002
2020-02-20 08:10:13 -08:00
Ryan Moeller 873cd182de
ZTS: Fix zpool_create/create-o_ashift on FreeBSD
For some unknown reason, egrep was misbehaving with this pattern on
FreeBSD.  The command works fine run interactively from a shell, but
in the test the output of egrep is empty.

Work around the issue by using a filter in the awk script instead.

While here, add a bit of diagnostic output and other simplifications
to the awk script as well.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10023
2020-02-19 10:27:23 -08:00
Ryan Moeller 392556f0ef
ZTS: Avoid nonportable cmp flag
FreeBSD doesn't have the -n flag for cmp.

Read the area for the first four labels from the disk to a separate
file to compare instead of using the special flag to limit the size.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10024
2020-02-19 09:03:31 -08:00
Ryan Moeller 43849fdf3f
ZTS: Move free to Linux commands list
FreeBSD does not have the free command. This command is only used by
Linux in a perf hostinfo function.

Move free from the list of common commands to the list of Linux
commands.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10011
2020-02-18 11:23:41 -08:00
Ryan Moeller 5f087dda78
Enable zpool events tunables and tests on FreeBSD
We have have made the necessary changes in our module code to expose
zevents through both devd and the zpool events ioctl. Now the tunables
can be exposed and zpool events tests can be enabled on both platforms.

A few minor tweaks to the tests were needed to accommodate the way wc
formats output on FreeBSD.

zed remains to be ported.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10008
2020-02-18 11:22:56 -08:00
Richard Laager f244846462
Prefer org.openzfs for features and properties
Moving forward, we wish to use org.openzfs (no dash) rather than
org.open-zfs or org.zfsonlinux for feature GUIDs and property names.
The existing feature GUIDs cannot be changed.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Richard Laager <rlaager@wiktel.com>
Closes #10003
2020-02-18 09:36:50 -08:00
Ryan Moeller fb63fc0c03
ZTS: Move cksum to common system commands
The cksum command is used by delegate tests. We have it on FreeBSD,
so it should not have been moved to the Linux commands list.

Move it back to the common commands list.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10007
2020-02-16 12:49:49 -08:00
Jason King 13b5a4d5c0
Support setting user properties in a channel program
This adds support for setting user properties in a
zfs channel program by adding 'zfs.sync.set_prop'
and 'zfs.check.set_prop' to the ZFS LUA API.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <matt@delphix.com>
Co-authored-by: Sara Hartse <sara.hartse@delphix.com>
Contributions-by: Jason King <jason.king@joyent.com>
Signed-off-by: Sara Hartse <sara.hartse@delphix.com>
Signed-off-by: Jason King <jason.king@joyent.com>
Closes #9950
2020-02-14 13:41:42 -08:00
Ryan Moeller 4f4ddf98ee
ZTS: Misc test fixes for FreeBSD
Add missing logic for FreeBSD to a few test scripts.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9994
2020-02-13 13:52:34 -08:00
Ryan Moeller 71439163bb
ZTS: Don't include zpool_create.shlib in zpool_add
The zpool_add tests include zpool_create.shlib for a few silly
variables.

Don't use those variables for the file names. Include zpool_add.kshlib
for whatever variables we still need.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9997
2020-02-13 12:11:25 -08:00
Ryan Moeller 3bdc4f6314
ZTS: Eliminate partitioning from zpool_remove
These tests do not need to use partitions.

Get rid of the partitioning and just use the disks directly.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9996
2020-02-13 12:10:35 -08:00
Ryan Moeller 3e725f0ad2
ZTS: Eliminate partitioning from write_dirs
These tests do not need to use partitions.

Get rid of the partitioning and just use the disks directly.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9995
2020-02-13 12:08:59 -08:00
Ryan Moeller 5ceccda5cb
ZTS: Cleanup some cleanup functions
Cleanup functions should make a best effort to clean up as much as
possible.

Do a consistency pass in a bunch of tests to make the cleanup
functions less prone to failure and fix a few typos here and there.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9993
2020-02-13 12:05:32 -08:00
Ryan Moeller b90b01cbc8
ZTS: Use ECKSUM instead of EBADE in libzfs test
Linux defines ECKSUM as EBADE, FreeBSD defines it as EINTEGRITY.

Test for ECKSUM instead of EBADE so we don't have to define EBADE for
this test on FreeBSD.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9992
2020-02-13 12:03:01 -08:00
Ryan Moeller 834f274fbf
ZTS: Interpret env vars in faketty on FreeBSD
This was missed in review. On FreeBSD, script does not understand
environment variables being passed as a command.

Use env to make faketty handle env vars on FreeBSD.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9981
2020-02-12 13:04:51 -08:00
Ryan Moeller 9c536b9a78
ZTS: Fix zdb_display_block on FreeBSD
Missed this in the review, but wc output on FreeBSD is indented,
so string comparisons mismatch when comparing to an unindented number.

Compare counts as integers instead of strings.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Paul Zuchowski <pzuchowski@datto.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9980
2020-02-12 13:01:55 -08:00
Christian Schwarz 948f0c4419 zcp: add zfs.sync.bookmark
Add support for bookmark creation and cloning.

Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Christian Schwarz <me@cschwarz.com>
Closes #9571
2020-02-11 13:19:17 -08:00
Christian Schwarz a73f361fdb Implement bookmark copying
This feature allows copying existing bookmarks using

    zfs bookmark fs#target fs#newbookmark

There are some niche use cases for such functionality,
e.g. when using bookmarks as markers for replication progress.

Copying redaction bookmarks produces a normal bookmark that
cannot be used for redacted send (we are not duplicating
the redaction object).

ZCP support for bookmarking (both creation and copying) will be
implemented in a separate patch based on this work.

Overview:

- Terminology:
    - source = existing snapshot or bookmark
    - new/bmark = new bookmark
- Implement bookmark copying in `dsl_bookmark.c`
  - create new bookmark node
  - copy source's `zbn_phys` to new's `zbn_phys`
  - zero-out redaction object id in copy
- Extend existing bookmark ioctl nvlist schema to accept
  bookmarks as sources
  - => `dsl_bookmark_create_nvl_validate` is authoritative
- use `dsl_dataset_is_before` check for both snapshot
  and bookmark sources
- Adjust CLI
  - refactor shortname expansion logic in `zfs_do_bookmark`
- Update man pages
  - warn about redaction bookmark handling
- Add test cases
  - CLI
  - pyyzfs libzfs_core bindings

Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Christian Schwarz <me@cschwarz.com>
Closes #9571
2020-02-11 13:19:12 -08:00
Paul Zuchowski bc67cba7c0
Fix zdb -R with 'b' flag
zdb -R :b fails due to the indirect block being compressed,
and the 'b' and 'd' flag not working in tandem when specified.
Fix the flag parsing code and create a zfs test for zdb -R
block display.  Also fix the zio flags where the dotted notation
for the vdev portion of DVA (i.e. 0.0:offset:length) fails.

Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #9640
Closes #9729
2020-02-10 14:00:05 -08:00
Graham Christensen dda702fd16
bash scripts: use /usr/bin/env for bash shebangs
Not all systems / distros have a `/bin/bash`, and these scripts are
more difficult to run at development time.

For example, my system is NixOS which doesn't have a /bin/bash. This
is not a problem for NixOS building ZFS as a package: the build
environment automatically replaces these shebangs with corrected
paths.

The problem is much more annoying at development time: either the
scripts don't run, or I correct them for my local machine and deal with
a perpetually dirty work tree.

Before committing this patch I confirmed there are existing scripts
which use `/usr/bin/env` to locate bash, so I am thinking this is a
safe transformation.

There are a handful of other shebangs in this repository which don't
work on my system. This patch is useful on its own specifically for
`commitcheck.sh`, otherwise I can't validate my commits before
submission.

Here are the remaining shebangs which NixOS systems won't have:

       1274 #!/bin/ksh -p
         91 #!/bin/ksh
         89 #! /bin/ksh -p
          2 #!/bin/sed -f
          1 #!/usr/bin/perl -w
          1 #!/usr/bin/ksh
          1 #!/bin/nawk -f

plus this which will create an invalid shebang in
`tests/zfs-tests/tests/functional/mv_files/mv_files_common.kshlib`:

        echo "#!/bin/ksh" > $TEST_BASE_DIR/exitsZero.ksh

I chose to leave those alone for now, and gauge the interest in this
much smaller patch first.

The fixes for these are easy enough by simply using `/usr/bin/env ksh`:

         91 #!/bin/ksh
          1 #!/usr/bin/ksh

The fix for the other set is much trickier. Quoting the GNU coreutils
manual:

    Most operating systems (e.g. GNU/Linux, BSDs) treat all text after
    the first space as a single argument. When using env in a script it
    is thus not possible to specify multiple arguments.

and not all `env`'s support arguments.

Mine (GNU Coreutils 8.31) does, though this feature is new since
April 2018, GNU Coreutils 8.30:
https://git.savannah.gnu.org/cgit/coreutils.git/commit/?id=668306ed86c8c79b0af0db8b9c882654ebb66db2

and worse, requires the -S argument:

    -S, --split-string=S  process and split S into separate arguments;
                          used to pass multiple arguments on shebang
                          lines

Example:

    $ seq 1 2 | $(nix-build '<nixpkgs>' -A coreutils)/bin/env "sort -nr"
    /nix/[...]-coreutils-8.31/bin/env: ‘sort -nr’: No such file or directory
    /nix/[...]-coreutils-8.31/bin/env: use -[v]S to pass options in shebang lines

    $ seq 1 2 | $(nix-build '<nixpkgs>' -A coreutils)/bin/env "-S sort -nr"
    2
    1

GNU Coreutils says FreeBSD's `env` does, though I wonder if FreeBSD's
would be unhappy with the `-S`:
https://www.gnu.org/software/coreutils/manual/html_node/env-invocation.html#env-invocation

BusyBox v1.30.1 does not, and does not have a `-S`-like option:

    $ seq 1 2 | $(nix-build '<nixpkgs>' -A busybox)/bin/env "sort -nr"
    env: can't execute 'sort -nr': No such file or directory

Toybox 0.8.1 also does not, and also does not have a `-S` option:

    $ seq 1 2 | $(nix-build '<nixpkgs>' -A toybox)/bin/env "sort -nr"
    env: exec sort -nr: No such file or directory

---

At any rate, if this patch merges and the remaining ~1,500 are updated,
the much larger patch should probably include a checkstyle-like test
asserting all new shebangs use `/usr/bin/env`. I also don't mind
dealing with NixOS weirdness if the project would prefer that.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Graham Christensen <graham@grahamc.com>
Closes #9893
2020-02-10 13:13:46 -08:00
Ryan Moeller 572b5b302a
ZTS: Test zvol I/O in different volmodes
We found that our zvol code had some issues with volmode=dev that were
not revealed by ZTS.

Add some basic I/O operations to exercise more code paths in the
volmode test.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9953
2020-02-10 13:10:25 -08:00
Attila Fülöp 31b160f0a6
ICP: Improve AES-GCM performance
Currently SIMD accelerated AES-GCM performance is limited by two
factors:

a. The need to disable preemption and interrupts and save the FPU
state before using it and to do the reverse when done. Due to the
way the code is organized (see (b) below) we have to pay this price
twice for each 16 byte GCM block processed.

b. Most processing is done in C, operating on single GCM blocks.
The use of SIMD instructions is limited to the AES encryption of the
counter block (AES-NI) and the Galois multiplication (PCLMULQDQ).
This leads to the FPU not being fully utilized for crypto
operations.

To solve (a) we do crypto processing in larger chunks while owning
the FPU. An `icp_gcm_avx_chunk_size` module parameter was introduced
to make this chunk size tweakable. It defaults to 32 KiB. This step
alone roughly doubles performance. (b) is tackled by porting and
using the highly optimized openssl AES-GCM assembler routines, which
do all the processing (CTR, AES, GMULT) in a single routine. Both
steps together result in up to 32x reduction of the time spend in
the en/decryption routines, leading up to approximately 12x
throughput increase for large (128 KiB) blocks.

Lastly, this commit changes the default encryption algorithm from
AES-CCM to AES-GCM when setting the `encryption=on` property.

Reviewed-By: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-By: Jason King <jason.king@joyent.com>
Reviewed-By: Tom Caputi <tcaputi@datto.com>
Reviewed-By: Richard Laager <rlaager@wiktel.com>
Signed-off-by: Attila Fülöp <attila@fueloep.org>
Closes #9749
2020-02-10 12:59:50 -08:00
Igor K 818d4a87fd
ZTS: Add an is_dilos function for future ZTS updates
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #9960
2020-02-07 12:32:52 -08:00
Ryan Moeller 9825e7ad1d
ZTS: Use wc -c instead of --bytes for portability
FreeBSD does not have the long opts for wc.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9963
2020-02-07 12:31:38 -08:00
Ryan Moeller 591505dc27
ZTS: Only use ext4 on Linux
And while here, add a workaround for FreeBSD to ensure dirty data is
synced before taking a snapshot, by remounting read-only, then remount
again read-write after the snapshot.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9914
2020-01-31 09:00:47 -08:00
Ryan Moeller 12430796d6
Use the correct spelling of 'jailed' in tests
FreeBSD has jails, not zones.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9899
2020-01-31 08:52:29 -08:00
Ryan Moeller a3bddd49f8
ZTS: Fix a few defaults
Linux was missing a default value for DEV_DSKDIR. Set it to /dev.
Fix resulting fallout.

SLICE_PREFIX seems like a good candidate for including in the defaults.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9898
2020-01-31 08:51:23 -08:00
Ryan Moeller 9d8ce2457d
ZTS: FreeBSD tunable for DISABLE_IVSET_GUID_CHECK
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9907
2020-01-29 11:25:15 -08:00
Ryan Moeller 395a6b19d3
ZTS: Simplify zero_partitions on FreeBSD
We can avoid a great deal of `sleep 3` by simply destroying the whole
partition table in one shot with gpart.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9908
2020-01-29 11:24:18 -08:00
Ryan Moeller 0ecd910923 ZTS: Don't use edonr on FreeBSD
FreeBSD doesn't support feature@edonr.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9901
2020-01-28 08:38:02 -08:00
Ryan Moeller 7a298ae975 ZTS: Eliminate random and shuf, consolidate code
Both GNU and FreeBSD sort have -R to randomize input.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9900
2020-01-28 08:36:33 -08:00
Ryan Moeller e4c439021f ZTS: Move more tests out of common.run
These tests won't run on all platforms as currently implemented:
 * add_nested_replacing_spare (needs zed)
 * fault (needs zed)
 * mmp (needs multihost_history)
 * umount_unlink_drained (needs procfs)
 * zpool_expand (needs udev events and zed)
 * zpool_reopen (needs scsi_debug)
 * zvol_swap_003_pos (needs to modify vfstab)
 * zvol_swap_00[56]_pos (needs swaphigh/swaplen)

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9871
2020-01-27 13:29:25 -08:00
Ned Bass a3403164d7 zdb: add support for object ranges for zdb -d
Allow a range of object identifiers to dump with -d. This may
be useful when dumping a large dataset and you want to break
it up into multiple phases, or to resume where a previous scan
left off. Object type selection flags are supported to reduce
the performance overhead of verbosely dumping unwanted objects,
and to reduce the amount of post-processing work needed to
filter out unwanted objects from zdb output.

This change extends existing syntax in a backward-compatible
way. That is, the base case of a range is to specify a single
object identifier to dump. Ranges and object identifiers can
be intermixed as command line parameters.

Usage synopsis:

    Object ranges take the form <start>:<end>[:<flags>]
        start    Starting object number
        end      Ending object number, or -1 for no upper bound
        flags    Optional flags to select object types:
         A    All objects (this is the default)
         d    ZFS directories
         f    ZFS files
         m    SPA space maps
         z    ZAPs
         -    Negate effect of next flag

Examples:

 # Dump all file objects
 zdb -dd tank/fish 0👎f

 # Dump all file and directory objects
 zdb -dd tank/fish 0👎fd

 # Dump all types except file and directory objects
 zdb -dd tank/fish 0👎A-f-d

 # Dump object IDs in a specific range
 zdb -dd tank/fish 1000:2000

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Paul Zuchowski <pzuchowski@datto.com>
Signed-off-by: Ned Bass <bass6@llnl.gov>
Closes #9832
2020-01-24 11:00:46 -08:00
Tony Nguyen 8e9e90bba3 Performance tests, some variables missing PERF_ prefix
Adding the expected PERF_ prefix to RANDSEED, COMPPERCENT,
and COMPCHUNK.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Nguyen <tony.nguyen@delphix.com>
Closes #9877
2020-01-23 21:18:02 -08:00
John Wren Kennedy 0d37c2bb2e ZTS: zpool offline requires whole disk name
When used with non-loop devices, zdb_004_pos fails because the disk
argument provided is the partition rather than the expected whole disk
name.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>
Closes #9876
2020-01-23 21:14:55 -08:00
Ryan Moeller dbfec5cc09 ZTS: Get xattr tests running on FreeBSD
This mostly involves reworking platform checks to make illumos the
exception (thanks to their unusual way of exposing xattrs). Other
platforms are able to take advantage of the recently added xattr
wrappers in libtest.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9872
2020-01-23 17:14:40 -08:00
Ryan Moeller 1a69856034 ZTS: Add missing export for DEV_DSKDIR default
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9873
2020-01-23 09:38:09 -08:00
Christian Schwarz 0ea03c7c82 dmu_send: redacted: fix memory leak on invalid redaction/from bookmark
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <matt@delphix.com>
Signed-off-by: Christian Schwarz <me@cschwarz.com>
Closes #9867
2020-01-23 09:34:31 -08:00
Christian Schwarz f658f61c72 cmd/zfs: redact: better error message for common usage errors
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <matt@delphix.com>
Signed-off-by: Christian Schwarz <me@cschwarz.com>
Closes #9867
2020-01-23 09:33:53 -08:00
Jason King e2ef1cbf04 Support inheriting properties in channel programs
This adds support in channel programs to inherit properties analogous
to `zfs inherit` by adding `zfs.sync.inherit` and `zfs.check.inherit`
functions to the ZFS LUA API.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Jason King <jason.king@joyent.com>
Closes #9738
2020-01-22 17:03:17 -08:00
Ryan Moeller 09436c5d88 ZTS: Eliminate partitioning in zpool_import setup
There doesn't seem to be a need for this complexity.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9854
2020-01-17 12:41:45 -08:00
Ryan Moeller 914bd02f29 ZTS: Make DVA pattern in zdb tests more robust
Ensure the capture ends at the first DVA in case there are multiple
DVAs on the same line by only capturing up to the first '>' character.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9851
2020-01-17 12:41:03 -08:00
Brian Behlendorf e5030fbc28
ZTS: Enable zpool_create_008_pos.ksh
Remove the blkid version check from zpool_create_008_pos.ksh
so the test case will not be skipped.

All versions of blkid tested by the CI are either new enough
to not suffer from this issue, or have been patched as is
the case with CentOS 7 (libblkid-2.23.2-61).

Additionally, add a block_device_wait after device partitioning
to ensure the expected partitions will exist.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9853
2020-01-17 12:38:13 -08:00
Ryan Moeller 31712a7ea8 ZTS: Fix incorrect is_physical_device usage
This check isn't meant to be used for command substitution.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9844
2020-01-16 13:26:26 -08:00
Paul Zuchowski f12e42cccf zdb -d should accept the numeric objset id
As an alternative to the dataset name, zdb now allows the decimal 
or hexadecimal objset ID to be specified.  When permanent errors
are reported as 2 hexadecimal numbers (objset ID : object ID) in 
zpool status; you can now use 'zdb <pool>[/objset ID] object' to
determine the names of the objset and object which have the error.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #9733
2020-01-16 09:22:49 -08:00
Tony Nguyen 1b64627e73 ZFS performance suite should use JSON fio output
Making the default FIO output format be JSON thus easier to post process
performance results. To get previous 'normal' output format,
PERF_FIO_FORMAT can be set prior to invoking zfs-tests.sh. For example:

'PERF_FIO_FORMAT=normal ./zfs-tests.sh -T perf -r ./runfiles/perf.run'

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Nguyen <tony.nguyen@delphix.com>
Closes #9847
2020-01-16 09:16:16 -08:00
Ryan Moeller 1bb5f5e2b4 ZTS: Fix ksh path in btree tests
Every other ksh script has /bin/ksh in the shebang.
If we're going to assume a path, we can at least be consistent.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9845
2020-01-15 16:23:29 -08:00
Ryan Moeller 6f481612f3 ZTS: Avoid using PCRE with grep in zdb tests
On FreeBSD grep does not support Perl extensions

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9841
2020-01-15 09:27:22 -08:00
Ryan Moeller 83c30248ef ZTS: Fix is_physical_device on FreeBSD
This should have been using egrep.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9840
2020-01-15 09:26:26 -08:00
Ryan Moeller 900010daf1 ZTS: Remove some path workarounds for FreeBSD
These are no longer needed after fixing device name matching for whole
disks in libzutil on FreeBSD.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9839
2020-01-15 09:24:55 -08:00
Ryan Moeller 2476f10306 ZTS: Catalog tunable names for tests in tunables.cfg
Update tests to use the variables for tunable names.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9831
2020-01-14 14:57:28 -08:00
Ryan Moeller 602f667285 ZTS: Clean up properties.shlib a bit
Fixes the last property having an empty value on FreeBSD and makes the
code a bit more readable.

Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9834
2020-01-13 15:21:42 -08:00
Ryan Moeller 6e1c594d64 ZTS: Create xattr helpers to hide platform
Create xattr helpers to hide platform and update usage in tests.

This does not generally aim to enable all xattr tests yet, but it is a
necessary step in that direction.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9826
2020-01-10 13:24:59 -08:00
Tom Caputi ba0ba69e50 Add 'zfs send --saved' flag
This commit adds the --saved (-S) to the 'zfs send' command.
This flag allows a user to send a partially received dataset,
which can be useful when migrating a backup server to new
hardware. This flag is compatible with resumable receives, so
even if the saved send is interrupted, it can be resumed.
The flag does not require any user / kernel ABI changes or any
new feature flags in the send stream format.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Reviewed-by: Paul Zuchowski <pzuchowski@datto.com>
Reviewed-by: Christian Schwarz <me@cschwarz.com>
Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #9007
2020-01-10 10:16:58 -08:00
Brian Behlendorf 9ab6109fb5
ZTS: Improve zts-auto_offline_001_pos
The zts-auto_offline_001_pos test could exceed the 10 minute test
limit and be KILLED by the test infrastructure.  To prevent this
speed up the test case by:

* Removing redundant pool configurations.  Each of the following
  vdev types is tested once: mirror, raidz, cache, and special.

* The block_device_wait function need only wait on the block
  device which has been removed as part of the test.

Reviewed-by: Paul Zuchowski <pzuchowski@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9827
2020-01-10 09:14:49 -08:00
Kjeld Schouten-Lebbing 36e5b4a94b Performance tests, fio enhancements
- Set fixed chunk pattern, for sane compression
- Adjust buffer to blocksize, for cross blocksize repeatability
- Use fixed seed, for improved repeatability
- Move comp-percent and comp-chunk to variables
- set variables (mostly) to old defaults

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>
Closes #9793
2020-01-09 11:21:33 -08:00
Ryan Moeller 90ae48733c ZTS: Provide an alternative to shuf for FreeBSD
There was a shuf package but the upstream for the port has recently
disappeared, so it is no longer available.

Create a function to hide the usage of shuf. Implement using seq|random
on FreeBSD.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9824
2020-01-09 09:31:17 -08:00
Ryan Moeller f8d55b95a5 ZTS: Eliminate functions named 'random'
The name overlaps with a command needed by FreeBSD.
There is also no sense having two 'random' functions that do nearly
the same thing, so consolidate to just the more general one and name
it 'random_int_between'.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9820
2020-01-08 09:08:30 -08:00
loli10K c24fa4b19a Fix "zpool add -n" for dedup, special and log devices
For dedup, special and log devices "zpool add -n" does not print
correctly their vdev type:

~# zpool add -n pool dedup /tmp/dedup special /tmp/special log /tmp/log
would update 'pool' to the following configuration:
	pool
	  /tmp/normal
	  /tmp/dedup
	  /tmp/special
	  /tmp/log

This could lead storage administrators to modify their ZFS pools to
unexpected and unintended vdev configurations.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #9783 
Closes #9390
2020-01-06 15:40:06 -08:00
Brian Behlendorf 581ca28169
ZTS: Cleanup partition tables
The cleanup_devices function should remove any partitions created
on the device and force the partition table to be reread.  This
is needed to ensure that blkid has an up to date version of what
devices and partitions are used by zfs.

The cleanup_devices call was removed from inuse_008_pos.ksh since
it operated on partitions instead of devices and was not needed.

Lastly ddidecode may be called by parted and was therefore added
to the constrained path.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9806
2020-01-06 11:14:19 -08:00
Ryan Moeller 665684d721 ZTS: Add helper for disk device check
Replace `test -b` and equivalents with `is_disk_device`, so that `-c`
is used instead on FreeBSD which has no block cache layer for devices.

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9795
2020-01-03 09:10:17 -08:00
Ryan Moeller d7164b27be ZTS: Move dumpdev tests to sunos.run
Neither FreeBSD nor Linux support dumping to zvols.

DilOS still uses these tests, so the files are kept and the tests have
been relocated to sunos.run.

An `is_illumos` function was added to libtest.shlib to eliminate some
awkward platform checks.

A few functions that are not expected to be used outside of illumos
have been sanitized of extraneous FreeBSD adaptations.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9794
2020-01-03 09:08:23 -08:00
Brian Behlendorf 2c47bd575a
ZTS: Fix pool_state cleanup
The externally faulted vdev should be brought back online and have
its errors cleared before the pool is destroyed.  Failure to do so
will leave a vdev with a valid active label.  This vdev may then
not be used to create a new pool without the -f flag potentially
leading to subsequent test failures.

Additionally remove an unreachable log_pass from setup.ksh.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9777
2019-12-28 08:43:23 -08:00
Brian Behlendorf edb24bec3b
ZTS: Replace /var/tmp with $TEST_BASE_DIR
Remove a few hardcoded instances of /var/tmp.  This should use
the $TEST_BASE_DIR in order to allow the ZTS to be optionally
run in an alternate directory using `zfs-tests.sh -d <path>`.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9775
2019-12-27 16:41:16 -08:00
Brian Behlendorf a6f6ef8bda
ZTS: zfs_program_json
As of Python 3.5 the default behavior of json.tool was changed to
preserve the input order rather than lexical order.  The test case
expects the output to be sorted so apply the --sort-keys option
to the json.tool command when using Python 3.5 and the option is
supported.

    https://docs.python.org/3/library/json.html#module-json.tool

Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9774
2019-12-27 12:12:41 -08:00
Brian Behlendorf 590ff61a55
ZTS: devices_001_pos and devices_002_neg
Update the devices_001_pos and devices_002_neg test cases such that the
special block device file created is backed by a ZFS volume.  Specifying
a specific device allows the major and minor numbers to be easily
determined.  Furthermore, this avoids the potentially dangerous behavior
of opening the first block device we happen to find under /dev/.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9773
2019-12-27 12:11:27 -08:00
Nick Black 8cda5c5ce9 libspl: declare aok extern in header
Rather than defining a new instance of 'aok' in every compilation
unit which includes this header, there is a single instance
defined in zone.c, and the header now only declares an extern.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Paul Zuchowski <pzuchowski@datto.com>
Signed-off-by: Nick Black <dankamongmen@gmail.com>
Closes #9752
2019-12-26 10:52:14 -08:00
Brian Behlendorf 80bde2c4ba
ZTS: Test case failures
* large_dnode_008_pos - Force a pool sync before invoking zdb to
  ensure the updated dnode blocks have been persisted to disk.

* refreserv_raidz - Wait for the /dev/zvol links to be both created
  and removed, this is important because the same device volume
  names are being used repeatedly.

* btree_test - Add missing .gitignore file for btree_test binary.

Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9769
2019-12-26 10:49:07 -08:00
Tony Hutter 9fb2771aa5 Colorize zpool status output
If the ZFS_COLOR env variable is set, then use ANSI color
output in zpool status:

- Column headers are bold
- Degraded or offline pools/vdevs are yellow
- Non-zero error counters and faulted vdevs/pools are red
- The 'status:' and 'action:' sections are yellow if they're
  displaying a warning.

This also includes a new 'faketty' function in libtest.shlib that is
compatible with FreeBSD (code provided by @freqlabs).

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #9340
2019-12-19 16:26:07 -08:00
Brian Behlendorf 5e8ac05590
ZTS: Various test case fixes
* devices_001_pos and devices_002_neg - Failing after FreeBSD ZTS
  merged due to missing 'function' keyword for create_dev_file_linux.

* pool_state - Occasionally fails due to an insufficient delay
  before checking 'zpool status'.  Increasing the delay from 1 to 3
  seconds resolved the issue in local testing.

* procfs_list_basic - Fails when run in-tree because the logged
  command is actually 'lt-zfs'.  Updated the regex accordingly.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9748
2019-12-19 15:32:56 -08:00
John Wren Kennedy 523fc80069 Tests for btree implementation used by range trees
Additional test cases for the btree implementation, see #9181.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>
Closes #9717
2019-12-19 11:53:54 -08:00
Matthew Macy 7839c4b5e1 Update ZTS to work on FreeBSD
Update the common ZTS scripts and individual test cases as needed 
in order to allow them to be run on FreeBSD.  The high level goal
is to provide compatibility wrappers whenever possible to minimize
changes to individual test cases.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9692
2019-12-18 12:29:43 -08:00
Tomohiro Kusumi ddb4e69db5 Don't fail to apply umask for O_TMPFILE files
Apply umask to `mode` which will eventually be applied to inode.
This is needed since VFS doesn't apply umask for O_TMPFILE files.

(Note that zpl_init_acl() applies `ip->i_mode &= ~current_umask();`
only when POSIX ACL is used.)

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #8997 
Closes #8998
2019-12-13 15:02:23 -08:00
Paul Zuchowski f0bf435176 zio_decompress_data always ASSERTs successful decompression
This interferes with zdb_read_block trying all the decompression
algorithms when the 'd' flag is specified, as some are
expected to fail.  Also control the output when guessing
algorithms, try the more common compression types first, allow
specifying lsize/psize, and fix an uninitialized variable.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #9612 
Closes #9630
2019-12-10 15:51:58 -08:00
John Poduska 7bda69a1a9 ZTS: Fixes for spurious failures of resilver_restart_001 test
The resilver restart test was reported as failing about 2% of the
time. Two issues were found:

- The event log wasn't large enough, so resilver events were missing
- One 'zpool sync' wasn't enough for resilver to start after zinject

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: John Poduska <jpoduska@datto.com>
Issue #9588 
Closes #9677 
Closes #9703
2019-12-10 09:10:36 -08:00
Kjeld Schouten 69b7e3f92d Set send_realloc_files.ksh to use properties.shlib
This sets send_realloc_files.ksh to use properties.shlib
(like the other compression related tests)

It was missing from #9645

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>
Issue #9645
Closes #9679
2019-12-06 09:37:48 -08:00
Matthew Macy f95704ca5e Disable EDONR on FreeBSD
FreeBSD uses its own crypto framework in-kernel which, at this time,
has no EDONR implementation.

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Allan Jude <allanjude@freebsd.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9664
2019-12-05 13:10:29 -08:00
Matthew Macy 054a049841 Add ZFS_IOC offsets for FreeBSD
FreeBSD requires three additional ioctls, they are ZFS_IOC_NEXTBOOT,
ZFS_IOC_JAIL, and ZFS_IOC_UNJAIL.  These have been added after the
Linux-specific ioctls.  The range 0x80-0xFF has been reserved for 
future optional platform-specific ioctls.  Any platform may choose
to implement these as appropriate.

None of the existing ioctl numbers have been changed to maintain
compatibility.  For Linux no vectors have been registered for the
new ioctls and they are reported as unsupported.

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Allan Jude <allanjude@freebsd.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9667
2019-12-05 13:06:51 -08:00
Kjeld Schouten 618b6adfbf Refactor compression algorithm selection for tests
- Moves compression algorithms for tests to properties.shlib
- Removes all compression algorithms levels from general tests
- Replaces on with lz4 for compression tests
- Removes random algorithm selection, if not needed
- Cleans copyright header formatting

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Signed-off-by: Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>
Closes #9645
2019-12-04 13:10:12 -08:00
Brian Behlendorf 624222ae31
Increase allowed 'special_small_blocks' maximum value
There may be circumstances where it's desirable that all blocks
in a specified dataset be stored on the special device.  Relax
the artificial 128K limit and allow the special_small_blocks
property to be set up to 1M.  When blocks >1MB have been enabled
via the zfs_max_recordsize module option, this limit is increased
accordingly.

Reviewed-by: Don Brady <don.brady@delphix.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9131
Closes #9355
2019-12-03 09:58:03 -08:00
Igor K a7c358845b ZTS: Fix attach-o_ashift.ksh for multiple platforms
The `-o ashift` option must appear after attach to be properly
interpreted by getopt(3) on all platforms.

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #9636
2019-11-27 14:55:43 -08:00
jwpoduska 3c819a2c7d Prevent unnecessary resilver restarts
If a device is participating in an active resilver, then it will have a
non-empty DTL. Operations like vdev_{open,reopen,probe}() can cause the
resilver to be restarted (or deferred to be restarted later), which is
unnecessary if the DTL is still covered by the current scan range. This
is similar to the logic in vdev_dtl_should_excise() where the DTL can
only be excised if it's max txg is in the resilvered range.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Gallagher <john.gallagher@delphix.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: John Poduska <jpoduska@datto.com>
Issue #840 
Closes #9155
Closes #9378
Closes #9551
Closes #9588
2019-11-27 10:15:01 -08:00
Paul Zuchowski 894f6696b4 Add display of checksums to zdb -R
The function zdb_read_block (zdb -R) was always intended to have a :c 
flag which would read the DVA and length supplied by the user, and 
display the checksum. Since we don't know which checksum goes with 
the data, we should calculate and display them all.

For each checksum in the table, read in the data at the supplied 
DVA:length, calculate the checksum, and display it. Update the man 
page and create a zfs test for the new feature.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #9607
2019-11-27 10:08:18 -08:00
Brian Behlendorf 67a6c3bc9f
ZTS: tst.terminate_by_signal increase test threshold
The tst.terminate_by_signal test case may occasionally fail when
running in a less consistent virtual environment.  For all observed
failures the process was terminated correctly but it took longer than
expected resulting in too many snapshot being created.

To minimize the likelyhood of this occuring increase the threshold
from 50 to 90 snapshots.  The larger limit will still verifiy that
the channel program was correctly terminated early.

Reviewed-by: Don Brady <don.brady@delphix.com>
Reviewed-by: Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9601
2019-11-20 17:26:32 -08:00
George Melikov 540312df7f ZTS: Casenorm fix unicode interpretation
Use `printf` to properly interpret unicode characters.

Illumos uses a utility called `zlook` to allow additional flags to be 
provided to readdir and lookup for testing.  This functionality could 
be ported to Linux, but even without it several of the tests can be 
enabled by instead using the standard `test` command.

Additional, work is required to enable the remaining test cases.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Melikov <mail@gmelikov.ru>
Issue #7633 
Closes #8812
2019-11-19 16:23:27 -08:00
InsanePrawn 8221bcf1e4 Remove requirement for -d 1 for zfs list and zfs get with bookmarks
df58307 removed the need to specify -d 1 when zfs list and zfs get are
called with -t snapshot on a datset. This commit extends the same
behaviour to -t bookmark.

This commit also introduces the 'snap' shorthand for snapshots from
zfs list to zfs get.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: InsanePrawn <insane.prawny@gmail.com>
Closes #9589
2019-11-18 16:44:28 -08:00
Brian Behlendorf 7ae3f8dc8f
Partially revert 5a6ac4c
Reinstate the zpl_revalidate() functionality to resolve a regression
where dentries for open files during a rollback are not invalidated.

The unrelated functionality for automatically unmounting .zfs/snapshots
was not reverted.  Nor was the addition of shrink_dcache_sb() to the
zfs_resume_fs() function.

This issue was not immediately caught by the CI because the test case
intended to catch it was included in the list of ZTS tests which may
occasionally fail for unrelated reasons.  Remove all of the rollback
tests from this list to help identify the frequency of any spurious
failures.

The rollback_003_pos.ksh test case exposes a real issue with the
long standing code which needs to be investigated.  Regardless,
it has been enable with a small workaround in the test case itself.

Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: Pavel Snajdr <snajpa@snajpa.net>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9587
Closes #9592
2019-11-18 13:05:56 -08:00
Brian Behlendorf ab44be142a
ZTS: Fix removal_with_errors
The removal_with_errors.ksh test case could occasionally complete
the removal process instead of canceling due to an injected error.

To prevent this false positive, export and import the pool between
test phases to flush the ARC cache.  Furthermore, double the amount
of data in the pool to increase the removal time.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9528
2019-10-31 12:57:42 -07:00
Tom Caputi bae11ba8dc Fix 'zfs change-key' with unencrypted child
Currently, when you call 'zfs change-key' on an encrypted dataset
that has an unencrypted child, the code will trigger a VERIFY.
This VERIFY is leftover from before we allowed unencrypted
datasets to exist underneath encrypted ones. This patch fixes the
issue by simply replacing the VERIFY with an early return when
recursing through datasets.

Reviewed by: Jason King <jason.brian.king@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #9524
2019-10-30 11:27:28 -07:00
loli10K e35704647e Fix for ARC sysctls ignored at runtime
This change leverage module_param_call() to run arc_tuning_update()
immediately after the ARC tunable has been updated as suggested in
cffa8372 code review.

A simple test case is added to the ZFS Test Suite to prevent future
regressions in functionality.

Reviewed-by: Matt Macy <mmacy@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #9487  
Closes #9489
2019-10-26 15:22:19 -07:00
Tom Caputi b4238327b4 Fix incremental recursive encrypted receive
Currently, incremental recursive encrypted receives fail to work
for any snapshot after the first. The reason for this is because
the check in zfs_setup_cmdline_props() did not properly realize
that when the user attempts to use '-x encryption' in this
situation, they are not really overriding the existing encryption
property and instead are attempting to prevent it from changing.
This resulted in an error message stating: "encryption property
'encryption' cannot be set or excluded for raw or incremental
streams".

This problem is fixed by updating the logic to expect this use
case.

Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #9494
2019-10-24 10:51:01 -07:00
Ryan Moeller 28f7427ab1 ZTS: Move tmpfile tests to linux.run
O_TMPFILE is not available on FreeBSD.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9503
2019-10-24 10:49:19 -07:00
Ryan Moeller 4c6225b688 ZTS: Consistency pass for .ksh extensions
* Use .ksh extension for ksh scripts, not .sh
* Remove .ksh extension from tests in common.run

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9502
2019-10-24 10:47:47 -07:00
John Wren Kennedy 4063440b73 ZTS: Written props test fails with 4k disks
With 4k disks, this test will fail in the last section because the
expected human readable value of 20.0M is reported as 20.1M. Rather than
use the human readable property, switch to the parsable property and
verify that the values are reasonably close.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>
Closes #9477
2019-10-18 13:27:02 -04:00
Brian Behlendorf ea25ed2365
ZTS: Fix zpool_status_-s
After commit 5e74ac51 which split and reordered the run files the
`zpool_status_-s` test began failing.  The new ordering placed
the test after a previous test which used `zpool replace` to replace
a disk but did not clear its label.  This resulted in the next test,
`zpool_status_-s`, failing because of the potentially active
pool being detected on the replaced vdev.

    /dev/loop0 is part of potentially active pool 'testpool'

Use the default_mirror_setup_noexit() and default_cleanup_noexit()
functions to create the pool in `zpool_status_-s`.  They use the -f
flag by default.

In the `scrub_after_resilver` test wipe the label during cleanup
to prevent future failures if the tests are again reordered.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9451
2019-10-11 10:22:20 -07:00
Ryan Moeller d96635a5c7 Clarify loop variable name in zfs copies test
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9445
2019-10-11 09:50:46 -07:00
Ryan Moeller 767f65cf73 Fix some style nits in tests
Mostly whitespace changes, no functional changes intended.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #9447
2019-10-11 09:49:48 -07:00
loli10K 715c996d3b Fix pool creation with feature@allocation_classes disabled
When "feature@allocation_classes" is not enabled on the pool no vdev
with "special" or "dedup" allocation type should be allowed to exist in
the vdev tree.

Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #9427 
Closes #9429
2019-10-10 16:39:41 -07:00
Igor K d0a84ba92b ZTS: Fix mmp_hostid test
Correctly use the `mntpnt_fs` variable, and include additional
logic to ensure the /etc/hostid is correct set up and cleaned up.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #9349
2019-10-08 13:40:17 -07:00
Brian Behlendorf 94bcf6f5e3
ZTS: Fix trim/trim_config and trim/autotrim_config
There have been occasional CI failures which occur when the trimmed
vdev size exactly matches the target size.  Resolve this by slightly
relaxing the conditional and checking for -ge rather than -gt.  In
all of the cases observer, the values match exactly.  For example:

    Failure /mnt/trim-vdev1 is 768 MB which is not -gt than 768 MB

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9399
2019-10-04 12:38:07 -07:00
Brian Behlendorf e1c216fb0c
ZTS: Fix upgrade_readonly_pool
Update cleanup_upgrade to use destroy_dataset and destroy_pool
when performing cleanup.  These wrappers retry if the pool is busy
preventing occasional failures like those observed when running
tests upgrade_readonly_pool.  For example:

    SUCCESS: test enabled == enabled
    User accounting upgrade is not executed on readonly pool
    NOTE: Performing local cleanup via log_onexit (cleanup_upgrade)
    cannot destroy 'testpool': pool is busy
    ERROR: zpool destroy testpool exited 1

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9400
2019-10-03 09:39:13 -07:00
Matthew Macy d31277abb1 OpenZFS restructuring - libspl
Factor Linux specific pieces out of libspl.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Sean Eric Fagan <sef@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9336
2019-10-02 10:39:48 -07:00
Matthew Macy 7bb0c29468 OpenZFS restructuring - zfs_ioctl
Refactor the zfs ioctls in to platform dependent and independent bits.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Sean Eric Fagan <sef@ixsystems.com>
Signed-off-by: Matthew Macy <mmacy@FreeBSD.org>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9301
2019-09-27 10:46:28 -07:00
Tom Caputi bb61cc3185 Fix encryption hierarchy issues with zfs recv -d
Currently, the recv_fix_encryption_hierarchy() function accepts
'destsnap' as one of its parameters. Originally, this was intended
to be the top-level dataset of a receive (whether or not the
receive was recursive). Unfortunately, this parameter actually is
simply the input that is passed in from the command line. When
the user specifies 'zfs recv -d', this string is actually only the
name of the receiving pool since the rest of the name is derived
from the send stream. This causes the function to fail, leaving
some datasets with an invalid encryption hierarchy.

This patch resolves this problem by passing in the top_zfs variable
instead. In order to make this work, this patch also includes some
changes that ensure the value is always present when we need it.

Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #9273
Closes #9309
2019-09-25 17:02:32 -07:00
Ryan Moeller 479d7d3ca6 ZTS: Fix typos in zfs_destroy tests cleanup
lot_must -> log_must

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed by: Sara Hartse <sara.hartse@delphix.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9362
2019-09-25 11:42:04 -07:00
Brian Behlendorf 5e5cefbaee
ZTS: harden xattr/cleanup.ksh
When the xattr/cleanup.ksh script is unable to remove the test group
due to an active process then it will not call default_cleanup.  This
will result in a zvol_ENOSPC/setup failure when attempting to create
the /mnt/testdir directory which will already exist.

Resolve the issue by performing the default_cleanup before removing
the test user and group to ensure this step always happens.  Also
allow one more retry to further minimize the likelihood of the
cleanup failing.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9358
2019-09-25 09:24:45 -07:00
loli10K d359e99c38 diff_cb() does not handle large dnodes
Trying to 'zfs diff' a snapshot with large dnodes will incorrectly try
to access its interior slots when dnodesize > sizeof(dnode_phys_t).
This is normally not an issue because the interior slots are
zero-filled, which report_dnode() handles calling
report_free_dnode_range(). However this is not the case for encrypted
large dnodes or filesystem using many SA based xattrs where the extra
data past the legacy dnode size boundary is interpreted as a
dnode_phys_t.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7678 
Closes #8931 
Closes #9343
2019-09-24 12:01:37 -07:00
loli10K fcd37b622b Device removal of indirect vdev panics the kernel
This commit fixes a NULL pointer dereference triggered in
spa_vdev_remove_top_check() by trying to "zpool remove" an indirect
vdev.

Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #9327
2019-09-16 10:46:59 -07:00
loli10K 7e15647ce9 ZTS: Fix /usr/bin/env: 'python2': No such file or directory
Since 4f342e45 env(1) must be able to find a "python2" executable in
the "constrained path" on systems configured with --with-python=2.x
otherwise the ZFS Test Suite won't be able to use Python scripts.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #9325
2019-09-16 10:44:51 -07:00
Tom Caputi 637f0c6019 Fix clone handling with encryption roots
Currently, spa_keystore_change_key_sync_impl() does not recurse
into clones when updating encryption roots for either a call to
'zfs promote' or 'zfs change-key'. This can cause children of
these clones to end up in a state where they point to the wrong
dataset as the encryption root. It can also trigger ASSERTs in
some cases where the code checks reference counts on wrapping
keys. This patch fixes this issue by ensuring that this function
properly recurses into clones during processing.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #9267 
Closes #9294
2019-09-16 10:07:33 -07:00
John Gallagher e60e158eff Add subcommand to wait for background zfs activity to complete
Currently the best way to wait for the completion of a long-running
operation in a pool, like a scrub or device removal, is to poll 'zpool
status' and parse its output, which is neither efficient nor convenient.

This change adds a 'wait' subcommand to the zpool command. When invoked,
'zpool wait' will block until a specified type of background activity
completes. Currently, this subcommand can wait for any of the following:

 - Scrubs or resilvers to complete
 - Devices to initialized
 - Devices to be replaced
 - Devices to be removed
 - Checkpoints to be discarded
 - Background freeing to complete

For example, a scrub that is in progress could be waited for by running

    zpool wait -t scrub <pool>

This also adds a -w flag to the attach, checkpoint, initialize, replace,
remove, and scrub subcommands. When used, this flag makes the operations
kicked off by these subcommands synchronous instead of asynchronous.

This functionality is implemented using a new ioctl. The type of
activity to wait for is provided as input to the ioctl, and the ioctl
blocks until all activity of that type has completed. An ioctl was used
over other methods of kernel-userspace communiction primarily for the
sake of portability.

Porting Notes:
This is ported from Delphix OS change DLPX-44432. The following changes
were made while porting:

 - Added ZoL-style ioctl input declaration.
 - Reorganized error handling in zpool_initialize in libzfs to integrate
   better with changes made for TRIM support.
 - Fixed check for whether a checkpoint discard is in progress.
   Previously it also waited if the pool had a checkpoint, instead of
   just if a checkpoint was being discarded.
 - Exposed zfs_initialize_chunk_size as a ZoL-style tunable.
 - Updated more existing tests to make use of new 'zpool wait'
   functionality, tests that don't exist in Delphix OS.
 - Used existing ZoL tunable zfs_scan_suspend_progress, together with
   zinject, in place of a new tunable zfs_scan_max_blks_per_txg.
 - Added support for a non-integral interval argument to zpool wait.

Future work:
ZoL has support for trimming devices, which Delphix OS does not. In the
future, 'zpool wait' could be extended to add the ability to wait for
trim operations to complete.

Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: John Gallagher <john.gallagher@delphix.com>
Closes #9162
2019-09-13 18:09:06 -07:00
Brian Behlendorf 25f06d677a
Fix /etc/hostid on root pool deadlock
Accidentally introduced by dc04a8c which now takes the SCL_VDEV lock
as a reader in zfs_blkptr_verify().  A deadlock can occur if the
/etc/hostid file resides on a dataset in the same pool.  This is
because reading the /etc/hostid file may occur while the caller is
holding the SCL_VDEV lock as a writer.  For example, to perform a
`zpool attach` as shown in the abbreviated stack below.

To resolve the issue we cache the system's hostid when initializing
the spa_t, or when modifying the multihost property.  The cached
value is then relied upon for subsequent accesses.

Call Trace:
    spa_config_enter+0x1e8/0x350 [zfs]
    zfs_blkptr_verify+0x33c/0x4f0 [zfs] <--- trying read lock
    zio_read+0x6c/0x140 [zfs]
    ...
    vfs_read+0xfc/0x1e0
    kernel_read+0x50/0x90
    ...
    spa_get_hostid+0x1c/0x38 [zfs]
    spa_config_generate+0x1a0/0x610 [zfs]
    vdev_label_init+0xa0/0xc80 [zfs]
    vdev_create+0x98/0xe0 [zfs]
    spa_vdev_attach+0x14c/0xb40 [zfs] <--- grabbed write lock

Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9256 
Closes #9285
2019-09-10 13:42:30 -07:00
John Wren Kennedy b63e2d881f ZTS: Introduce targeted corruption in file blocks
filetest_001_pos verifies that various checksum algorithms detect
corruption by overwriting the underlying vdev on which a file resides.
It is possible for the overwrite to miss the blocks of a file, causing a
spurious failure. This change introduces a function to corrupt the
individual blocks of a file as determined by zdb.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>
Closes #9288
2019-09-09 16:11:07 -07:00
Ryan Moeller 43f4495bde Clean up do_vol_test in zfs_copies tests
Get rid of the `get_used_prop` function. `get_prop used` works fine.

Fix the comment describing the function parameters. The type does not
have a default, and mntp is also used for ext2.

Rename the variable for the number of copies from `copy` to `copies`.

Use a `case` statement to match the type parameter, order the cases
alphabetically, and add a little sanity checking for good measure.

Use eval to make sure the output of commands is silenced rather than
the log messages when redirecting output to /dev/null.

Simplify cases where zfs requires special behavior.

Don't allow the test to loop forever in the event space usage does not
change. Bail out of the loop and fail after an arbitrary number of
iterations.

Add more information to the log message when the test fails, to help
debugging.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9286
2019-09-09 16:04:05 -07:00
Tom Caputi 870e7a52c1 Fix noop receive of raw send stream
Currently, the noop receive code fails to work with raw send streams
and resuming send streams. This happens because zfs_receive_impl()
reads the DRR_BEGIN payload without reading the payload itself.
Normally, the kernel expects to read this itself, but in this case
the recv_skip() code runs instead and it is not prepared to handle
the stream being left at any place other than the beginning of a
record.

This patch resolves this issue by manually reading the DRR_BEGIN
payload in the dry-run case. This patch also includes a number of
small fixups in this code path.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #9221
Closes #9173
2019-09-05 16:22:05 -07:00
Ryan Moeller 8e2c502cf3 Clean up zfs_clone_010_pos
Remove a lot of unnecessary setting and incrementing of `i`.

Remove unused variable `j`.

Instead of calling out to Python in a loop to generate the same string
repeatedly, generate the string once using shell constructs before
entering the loop.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9284
2019-09-05 16:20:09 -07:00
Ryan Moeller 240c015ac6 Refactor checksum operations in tests
md5sum in particular but also sha256sum to a lesser extent is used
in several areas of the test suite for computing checksums. The vast
majority of invocations are followed by `| awk '{ print $1 }'`.

Introduce functions to wrap up `md5sum $file | awk '{ print $1 }'` and
likewise for sha256sum. These also serve as a convenient interface for
alternative implementations on other platforms.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9280
2019-09-05 09:51:59 -07:00
Ryan Moeller a6a2877774 Use the right booleans
TRUE and FALSE happen to be defined, but we should use B_TRUE and
B_FALSE for the sake of consistency.

Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9264
2019-09-03 12:44:08 -07:00
Igor K 1a504d27df ZTS: Fix removal_cancel.ksh
Create a larger file to extend the time required to perform the 
removal.  Occasional failures were observed due to the removal
completing before the cancel could be requested.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #9259
2019-09-03 10:46:40 -07:00
Andrea Gelmini c6e457dffb Fix typos in tests/
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9250
2019-09-02 18:14:53 -07:00
Andrea Gelmini cb14aa4ca9 Fix typos in tests/
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9249
2019-09-02 18:13:19 -07:00
Andrea Gelmini 4001f09055 Fix typos in tests/
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9247
2019-09-02 18:12:01 -07:00
Andrea Gelmini 220dd4ae84 Fix typos in tests/
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9246
2019-09-02 18:10:31 -07:00
Andrea Gelmini 24739cd5b0 Fix typos in tests/
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9244
2019-09-02 18:08:56 -07:00
Andrea Gelmini 37e42197a4 Fix typos in tests/
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9243
2019-09-02 18:07:35 -07:00
Andrea Gelmini ade306a9d4 Fix typos in tests/
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9242
2019-09-02 17:58:26 -07:00
Andrea Gelmini c953960048 Fix typos in tests/
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9248
2019-08-30 16:53:48 -07:00
Andrea Gelmini b520706f29 Fix typos in tests/
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9245
2019-08-30 16:52:00 -07:00
Igor K d39c71d365 Fix refquota_007_neg.ksh
Must use 'zfs' instead of '$ZFS' which is undefined.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #9257
2019-08-30 09:32:25 -07:00
Ryan Moeller 815a645692 Simplify deleting partitions in libtest
Eliminate unnecessary code duplication. We can use a for-loop instead
of a while-loop. There is no need to echo $DISKSARRAY in a subshell or
return 0. Declare all variables with typeset.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9224
2019-08-29 13:11:29 -07:00
Ryan Moeller f66ad580cc Use compatible arg order in tests
BSD getopt() and getopt_long() want options before arguments.
Reorder arguments to zfs/zpool in tests to put all the options first.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9228
2019-08-29 11:03:09 -07:00
Chunwei Chen 035e96118b Fix zil replay panic when TX_REMOVE followed by TX_CREATE
If TX_REMOVE is followed by TX_CREATE on the same object id, we need to
make sure the object removal is completely finished before creation. The
current implementation relies on dnode_hold_impl with
DNODE_MUST_BE_ALLOCATED returning ENOENT. While this check seems to work
fine before, in current version it does not guarantee the object removal
is completed.

We fix this by checking if DNODE_MUST_BE_FREE returns successful
instead. Also add test and remove dead code in dnode_hold_impl.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Chunwei Chen <david.chen@nutanix.com>
Closes #7151
Closes #8910
Closes #9123
Closes #9145
2019-08-28 10:42:02 -07:00
Ryan Moeller 9c9dcd6e04 Prefer `for (;;)` to `while (TRUE)`
Defining a special constant to make an infinite loop is excessive,
especially when the name clashes with symbols commonly defined on
some platforms (ie FreeBSD).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: John Kennedy <john.kennedy@delphix.com
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9219
2019-08-28 10:38:40 -07:00
Ryan Moeller 142f84dd19 Restore :: in Makefile.am
The double-colon looked like a typo, but it's actually an obscure
feature. Rules with :: may appear multiple times and are run
independently of one another in the order they appear. The use of ::
for distclean-local was conventional, not accidental.

Add comments to indicate the intentional use of double-colon rules.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9210
2019-08-26 11:48:31 -07:00
Paul Dagnelie 95f0144675 Add regression test for "zpool list -p"
Other than this test, zpool list -p is not well tested by any of the 
automated tests.  Add a test for zpool list -p.

Reviewed-by: Prakash Surya <prakash.surya@delphix.com>
Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #9134
2019-08-25 18:33:03 -07:00
Brian Behlendorf 4302698be1
ZTS: Fix in-tree dbufstats test case
Commit a887d653 updated the dbufstats such that escalated privileges
are required.  Since all tests under cli_user are run with normal
privileges move this test case to a location where it will be run
required privileges.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9118 
Closes #9196
2019-08-22 17:37:48 -07:00
Ryan Moeller 97c54ea818 Make slog test setup more robust
The slog tests fail when attempting to create pools using file vdevs
that already exist from previous test runs. Remove these files in the
setup for the test.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9194
2019-08-22 17:26:50 -07:00
Brian Behlendorf 31b548ffb9
ZTS: Use decimal values when setting tunables
The mdb_set_uint32 function requires that the values passed in be
decimal.  This was overlooked initially because the matching Linux
function accepts both decimal and hexadecimal values.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Sara Hartse <sara.hartse@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #9125
Closes #9195
2019-08-22 10:36:57 -07:00
Ryan Moeller 0154a1e539 Dedup IOC enum values in libzfs_input_check
Reuse enum value ZFS_IOC_BASE for `('Z' << 8)`.
This is helpful on FreeBSD where ZFS_IOC_BASE has a different value and
`('Z' << 8)` is wrong.

Reviewed-by: Chris Dunlop <chris@onthe.net.au>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9188
2019-08-22 09:46:09 -07:00
Ryan Moeller f591a581d6 Enhance ioctl number checks
When checking ZFS_IOC_* numbers, print which numbers are wrong rather
than silently failing.

Reviewed-by: Chris Dunlop <chris@onthe.net.au>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@ixsystems.com>
Closes #9187
2019-08-22 09:44:11 -07:00
Brian Behlendorf 20f7b917aa
ZTS: Fix vdev_zaps_005_pos on CentOS 6
The ancient version of blkid (v2.17.2) used in CentOS 6 will not
detect the newly created pool unless it has been written to.
Force a pool sync so `zpool import` will detect the newly created
pool.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9199
2019-08-22 08:53:44 -07:00
Paul Dagnelie 1a26cb6160 Add more refquota tests
It used to be possible for zfs receive (and other operations related 
to clone swap) to bypass refquotas. This can cause a number of issues, 
and there should be an automated test for it.

Added tests for rollback and receive not overriding refquota.

Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #9139
2019-08-19 15:06:53 -07:00
Chunwei Chen 8e556c5ebc Fix out-of-order ZIL txtype lost on hardlinked files
We should only call zil_remove_async when an object is removed. However,
in current implementation, it is called whenever TX_REMOVE is called. In
the case of hardlinked file, every unlink will generate TX_REMOVE and
causing operations to be dropped even when the object is not removed.

We fix this by only calling zil_remove_async when the file is fully
unlinked.

Reviewed-by: George Wilson <gwilson@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Prakash Surya <prakash.surya@delphix.com>
Signed-off-by: Chunwei Chen <david.chen@nutanix.com>
Closes #8769
Closes #9061
2019-08-13 21:21:27 -06:00
Serapheim Dimitropoulos 3b9edd7b17 Introduce getting holds and listing bookmarks through ZCP
Consumers of ZFS Channel Programs can now list bookmarks,
and get holds from datasets. A minor-refactoring was also
applied to distinguish between user and system properties
in ZCP.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Ported-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Signed-off-by: Dan Kimmel <dan.kimmel@delphix.com>

OpenZFS-issue: https://illumos.org/issues/8862
Closes #7902
2019-08-12 10:02:34 -07:00
Serapheim Dimitropoulos 8098465558 Test cancelling a removal in ZTS
This patch adds a new test that sanity checks cancelling a removal.

Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #9101
2019-08-05 10:50:20 -07:00
Brian Behlendorf 1e620c9872
Revert "Develop tests for issues #5866 and #8858"
This reverts commit 693c1fc478.  This
change resulted in a kmem leak being observed in existing code which
needs to be identified and addressed.

Reviewed-by: Paul Zuchowski <pzuchowski@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #8978
Closes #9090
2019-07-29 12:46:56 -07:00
Paul Zuchowski 693c1fc478 Develop tests for issues #5866 and #8858
Provide zfstest coverage for these two issues which
were a panic accessing extended attributes and
a problem comparing 64 bit and 32 bit generation
numbers.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Issue #5866
Issue #8858 
Closes #8978
2019-07-26 17:52:13 -07:00
Tomohiro Kusumi 9fb6abe5ad Implement secpolicy_vnode_setid_retain()
Don't unconditionally return 0 (i.e. retain SUID/SGID).
Test CAP_FSETID capability.

https://github.com/pjd/pjdfstest/blob/master/tests/chmod/12.t
which expects SUID/SGID to be dropped on write(2) by non-owner fails
without this. Most filesystems make this decision within VFS by using
a generic file write for fops.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #9035 
Closes #9043
2019-07-26 13:52:30 -07:00
Sara Hartse 37f03da8ba Fast Clone Deletion
Deleting a clone requires finding blocks are clone-only, not shared
with the snapshot. This was done by traversing the entire block tree
which results in a large performance penalty for sparsely
written clones.

This is new method keeps track of clone blocks when they are
modified in a "Livelist" so that, when it’s time to delete,
the clone-specific blocks are already at hand.

We see performance improvements because now deletion work is
proportional to the number of clone-modified blocks, not the size
of the original dataset.

Reviewed-by: Sean Eric Fagan <sef@ixsystems.com>
Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Signed-off-by: Sara Hartse <sara.hartse@delphix.com>
Closes #8416
2019-07-26 10:54:14 -07:00
Tony Hutter d84c5a120e Move some tests to cli_user/zpool_status
The tests in tests/functional/cli_root/zpool_status should all require
root. However, linux.run has "user =" specified for those tests, which
means they run as a normal user.  When I removed that line to run them
as root, the following tests did not pass:

zpool_status_003_pos
zpool_status_-c_disable
zpool_status_-c_homedir
zpool_status_-c_searchpath

These tests need to be run as a normal user.  To fix this, move these
tests to a new tests/functional/cli_user/zpool_status directory.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #9057
2019-07-19 11:21:54 -07:00
Mike Gerdts d45d7f08fa Add zfs create dryrun
Adds the ability to sanity check zfs create arguments and to see the
value of any additional properties that will local to the dataset.  For
example, automation that may need to adjust quota on a parent filesystem
before creating a volume may call `zfs create -nP -V <size> <volume>` to
obtain the value of refreservation.  This adds the following options to
zfs create:

- -n dry-run (no-op)
- -v verbose
- -P parseable (implies verbose)

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: Jerry Jelinek <jerry.jelinek@joyent.com>
Signed-off-by: Mike Gerdts <mike.gerdts@joyent.com>
Closes #8974
2019-07-16 11:19:24 -07:00
Serapheim Dimitropoulos 93e28d661e Log Spacemap Project
= Motivation

At Delphix we've seen a lot of customer systems where fragmentation
is over 75% and random writes take a performance hit because a lot
of time is spend on I/Os that update on-disk space accounting metadata.
Specifically, we seen cases where 20% to 40% of sync time is spend
after sync pass 1 and ~30% of the I/Os on the system is spent updating
spacemaps.

The problem is that these pools have existed long enough that we've
touched almost every metaslab at least once, and random writes
scatter frees across all metaslabs every TXG, thus appending to
their spacemaps and resulting in many I/Os. To give an example,
assuming that every VDEV has 200 metaslabs and our writes fit within
a single spacemap block (generally 4K) we have 200 I/Os. Then if we
assume 2 levels of indirection, we need 400 additional I/Os and
since we are talking about metadata for which we keep 2 extra copies
for redundancy we need to triple that number, leading to a total of
1800 I/Os per VDEV every TXG.

We could try and decrease the number of metaslabs so we have less
I/Os per TXG but then each metaslab would cover a wider range on
disk and thus would take more time to be loaded in memory from disk.
In addition, after it's loaded, it's range tree would consume more
memory.

Another idea would be to just increase the spacemap block size
which would allow us to fit more entries within an I/O block
resulting in fewer I/Os per metaslab and a speedup in loading time.
The problem is still that we don't deal with the number of I/Os
going up as the number of metaslabs is increasing and the fact
is that we generally write a lot to a few metaslabs and a little
to the rest of them. Thus, just increasing the block size would
actually waste bandwidth because we won't be utilizing our bigger
block size.

= About this patch

This patch introduces the Log Spacemap project which provides the
solution to the above problem while taking into account all the
aforementioned tradeoffs. The details on how it achieves that can
be found in the references sections below and in the code (see
Big Theory Statement in spa_log_spacemap.c).

Even though the change is fairly constraint within the metaslab
and lower-level SPA codepaths, there is a side-change that is
user-facing. The change is that VDEV IDs from VDEV holes will no
longer be reused. To give some background and reasoning for this,
when a log device is removed and its VDEV structure was replaced
with a hole (or was compacted; if at the end of the vdev array),
its vdev_id could be reused by devices added after that. Now
with the pool-wide space maps recording the vdev ID, this behavior
can cause problems (e.g. is this entry referring to a segment in
the new vdev or the removed log?). Thus, to simplify things the
ID reuse behavior is gone and now vdev IDs for top-level vdevs
are truly unique within a pool.

= Testing

The illumos implementation of this feature has been used internally
for a year and has been in production for ~6 months. For this patch
specifically there don't seem to be any regressions introduced to
ZTS and I have been running zloop for a week without any related
problems.

= Performance Analysis (Linux Specific)

All performance results and analysis for illumos can be found in
the links of the references. Redoing the same experiments in Linux
gave similar results. Below are the specifics of the Linux run.

After the pool reached stable state the percentage of the time
spent in pass 1 per TXG was 64% on average for the stock bits
while the log spacemap bits stayed at 95% during the experiment
(graph: sdimitro.github.io/img/linux-lsm/PercOfSyncInPassOne.png).

Sync times per TXG were 37.6 seconds on average for the stock
bits and 22.7 seconds for the log spacemap bits (related graph:
sdimitro.github.io/img/linux-lsm/SyncTimePerTXG.png). As a result
the log spacemap bits were able to push more TXGs, which is also
the reason why all graphs quantified per TXG have more entries for
the log spacemap bits.

Another interesting aspect in terms of txg syncs is that the stock
bits had 22% of their TXGs reach sync pass 7, 55% reach sync pass 8,
and 20% reach 9. The log space map bits reached sync pass 4 in 79%
of their TXGs, sync pass 7 in 19%, and sync pass 8 at 1%. This
emphasizes the fact that not only we spend less time on metadata
but we also iterate less times to convergence in spa_sync() dirtying
objects.
[related graphs:
stock- sdimitro.github.io/img/linux-lsm/NumberOfPassesPerTXGStock.png
lsm- sdimitro.github.io/img/linux-lsm/NumberOfPassesPerTXGLSM.png]

Finally, the improvement in IOPs that the userland gains from the
change is approximately 40%. There is a consistent win in IOPS as
you can see from the graphs below but the absolute amount of
improvement that the log spacemap gives varies within each minute
interval.
sdimitro.github.io/img/linux-lsm/StockVsLog3Days.png
sdimitro.github.io/img/linux-lsm/StockVsLog10Hours.png

= Porting to Other Platforms

For people that want to port this commit to other platforms below
is a list of ZoL commits that this patch depends on:

Make zdb results for checkpoint tests consistent
db587941c5

Update vdev_is_spacemap_addressable() for new spacemap encoding
419ba59145

Simplify spa_sync by breaking it up to smaller functions
8dc2197b7b

Factor metaslab_load_wait() in metaslab_load()
b194fab0fb

Rename range_tree_verify to range_tree_verify_not_present
df72b8bebe

Change target size of metaslabs from 256GB to 16GB
c853f382db

zdb -L should skip leak detection altogether
21e7cf5da8

vs_alloc can underflow in L2ARC vdevs
7558997d2f

Simplify log vdev removal code
6c926f426a

Get rid of space_map_update() for ms_synced_length
425d3237ee

Introduce auxiliary metaslab histograms
928e8ad47d

Error path in metaslab_load_impl() forgets to drop ms_sync_lock
8eef997679

= References

Background, Motivation, and Internals of the Feature
- OpenZFS 2017 Presentation:
youtu.be/jj2IxRkl5bQ
- Slides:
slideshare.net/SerapheimNikolaosDim/zfs-log-spacemaps-project

Flushing Algorithm Internals & Performance Results
(Illumos Specific)
- Blogpost:
sdimitro.github.io/post/zfs-lsm-flushing/
- OpenZFS 2018 Presentation:
youtu.be/x6D2dHRjkxw
- Slides:
slideshare.net/SerapheimNikolaosDim/zfs-log-spacemap-flushing-algorithm

Upstream Delphix Issues:
DLPX-51539, DLPX-59659, DLPX-57783, DLPX-61438, DLPX-41227, DLPX-59320
DLPX-63385

Reviewed-by: Sean Eric Fagan <sef@ixsystems.com>
Reviewed-by: Matt Ahrens <matt@delphix.com>
Reviewed-by: George Wilson <gwilson@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #8442
2019-07-16 10:11:49 -07:00
Tomohiro Kusumi ab5036df1c Fix race in parallel mount's thread dispatching algorithm
Strategy of parallel mount is as follows.

1) Initial thread dispatching is to select sets of mount points that
 don't have dependencies on other sets, hence threads can/should run
 lock-less and shouldn't race with other threads for other sets. Each
 thread dispatched corresponds to top level directory which may or may
 not have datasets to be mounted on sub directories.

2) Subsequent recursive thread dispatching for each thread from 1)
 is to mount datasets for each set of mount points. The mount points
 within each set have dependencies (i.e. child directories), so child
 directories are processed only after parent directory completes.

The problem is that the initial thread dispatching in
zfs_foreach_mountpoint() can be multi-threaded when it needs to be
single-threaded, and this puts threads under race condition. This race
appeared as mount/unmount issues on ZoL for ZoL having different
timing regarding mount(2) execution due to fork(2)/exec(2) of mount(8).
`zfs unmount -a` which expects proper mount order can't unmount if the
mounts were reordered by the race condition.

There are currently two known patterns of input list `handles` in
`zfs_foreach_mountpoint(..,handles,..)` which cause the race condition.

1) #8833 case where input is `/a /a /a/b` after sorting.
 The problem is that libzfs_path_contains() can't correctly handle an
 input list with two same top level directories.
 There is a race between two POSIX threads A and B,
  * ThreadA for "/a" for test1 and "/a/b"
  * ThreadB for "/a" for test0/a
 and in case of #8833, ThreadA won the race. Two threads were created
 because "/a" wasn't considered as `"/a" contains "/a"`.

2) #8450 case where input is `/ /var/data /var/data/test` after sorting.
 The problem is that libzfs_path_contains() can't correctly handle an
 input list containing "/".
 There is a race between two POSIX threads A and B,
  * ThreadA for "/" and "/var/data/test"
  * ThreadB for "/var/data"
 and in case of #8450, ThreadA won the race. Two threads were created
 because "/var/data" wasn't considered as `"/" contains "/var/data"`.
 In other words, if there is (at least one) "/" in the input list,
 the initial thread dispatching must be single-threaded since every
 directory is a child of "/", meaning they all directly or indirectly
 depend on "/".

In both cases, the first non_descendant_idx() call fails to correctly
determine "path1-contains-path2", and as a result the initial thread
dispatching creates another thread when it needs to be single-threaded.
Fix a conditional in libzfs_path_contains() to consider above two.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #8450
Closes #8833
Closes #8878
2019-07-09 09:31:46 -07:00
Mike Gerdts 341166c843 OpenZFS 9318 - vol_volsize_to_reservation does not account for raidz skip blocks
When a volume is created in a pool with raidz vdevs and
volblocksize != 128k, the volume can reference more space than is
reserved with the automatically calculated refreservation.  There
are two deficiencies in vol_volsize_to_reservation that contribute
to this:

  1) Skip blocks may be added to keep each allocation a multiple
     of parity + 1. This is the dominating factor when volblocksize
     is close to 2^ashift.

  2) raidz deflation for 128 KB blocks is different for most other
     block sizes.

See "The theory of raidz space accounting" comment in
libzfs_dataset.c for a full explanation.

Authored by: Mike Gerdts <mike.gerdts@joyent.com>
Reviewed by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: Kody Kantor <kody.kantor@joyent.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Dan McDonald <danmcd@joyent.com>
Ported-by: Mike Gerdts <mike.gerdts@joyent.com>

Porting Notes:
* ZTS: wait for zvols to exist before writing
* ZTS: use log_must_busy with {zpool|zfs} destroy

OpenZFS-issue: https://www.illumos.org/issues/9318
OpenZFS-commit: https://github.com/illumos/illumos-gate/commit/b73ccab0
Closes #8973
2019-07-05 15:35:15 -07:00
George Wilson 681a85cb01 nopwrites on dmu_sync-ed blocks can result in a panic
After device removal, performing nopwrites on a dmu_sync-ed block
will result in a panic. This panic can show up in two ways:
1. an attempt to issue an IOCTL in vdev_indirect_io_start()
2. a failed comparison of zio->io_bp and zio->io_bp_orig in
   zio_done()
To resolve both of these panics, nopwrites of blocks on indirect
vdevs should be ignored and new allocations should be performed on
concrete vdevs.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Don Brady <don.brady@delphix.com>
Signed-off-by: George Wilson <gwilson@delphix.com>
Closes #8957
2019-06-28 12:40:23 -07:00
Tom Caputi 765d1f0644 Add 'zfs umount -u' for encrypted datasets
This patch adds the ability for the user to unload keys for
datasets as they are being unmounted. This is analogous to
'zfs mount -l'.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes: #8917
Closes: #8952
2019-06-28 12:38:37 -07:00
Igor K 13d454c6ca -Y option for zdb is valid
The -Y option was added for ztest to test split block reconstruction.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #8926
2019-06-24 17:58:11 -07:00
Matthew Ahrens 59ec30a329 Remove code for zfs remap
The "zfs remap" command was disabled by
6e91a72fe3, because it has little utility
and introduced some tricky bugs.  This commit removes the code for it,
the associated ZFS_IOC_REMAP ioctl, and tests.

Note that the ioctl and property will remain, but have no functionality.
This allows older software to fail gracefully if it attempts to use
these, and avoids a backwards incompatibility that would be introduced if
we renumbered the later ioctls/props.

Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #8944
2019-06-24 16:44:01 -07:00
Brian Behlendorf 8f12a4f8d2
Fix out-of-tree build failures
Resolve the incorrect use of srcdir and builddir references for
various files in the build system.  These have crept in over time
and went unnoticed because when building in the top level directory
srcdir and builddir are identical.

With this change it's again possible to build in a subdirectory.

    $ mkdir obj
    $ cd obj
    $ ../configure
    $ make

Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Don Brady <don.brady@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8921 
Closes #8943
2019-06-24 09:32:47 -07:00
Tomohiro Kusumi cc9625c47c Add missing .gitignore from "Implement Redacted Send/Receive"
30af21b025 needed to ignore get_diff executable.

Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #8950
2019-06-23 11:51:29 -07:00
Don Brady 186898bbb5 OpenZFS 9425 - channel programs can be interrupted
Problem Statement
=================
ZFS Channel program scripts currently require a timeout, so that hung or
long-running scripts return a timeout error instead of causing ZFS to get
wedged. This limit can currently be set up to 100 million Lua instructions.
Even with a limit in place, it would be desirable to have a sys admin
(support engineer) be able to cancel a script that is taking a long time.

Proposed Solution
=================
Make it possible to abort a channel program by sending an interrupt signal.In
the underlying txg_wait_sync function, switch the cv_wait to a cv_wait_sig to
catch the signal. Once a signal is encountered, the dsl_sync_task function can
install a Lua hook that will get called before the Lua interpreter executes a
new line of code. The dsl_sync_task can resume with a standard txg_wait_sync
call and wait for the txg to complete.  Meanwhile, the hook will abort the
script and indicate that the channel program was canceled. The kernel returns
a EINTR to indicate that the channel program run was canceled.

Porting notes: Added missing return value from cv_wait_sig()

Authored by: Don Brady <don.brady@delphix.com>
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: Sara Hartse <sara.hartse@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Robert Mustacchi <rm@joyent.com>
Ported-by: Don Brady <don.brady@delphix.com>
Signed-off-by: Don Brady <don.brady@delphix.com>

OpenZFS-issue: https://www.illumos.org/issues/9425
OpenZFS-commit: https://github.com/illumos/illumos-gate/commit/d0cb1fb926
Closes #8904
2019-06-22 16:51:46 -07:00
Allan Jude fb6e6f1ffb zstreamdump: add per-record-type counters and an overhead counter
Count the bytes of payload for each replication record type

Count the bytes of overhead (replication records themselves)

Include these counters in the output summary at the end of the run.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Signed-off-by: Allan Jude <allanjude@freebsd.org>
Sponsored-By: Klara Systems and Catalogic
Closes #8432
2019-06-22 16:33:44 -07:00
Tomohiro Kusumi d5bf1cf179 Fix build break by "Implement Redacted Send/Receive"
30af21b025 broke build on Fedora. gcc can detect potential overflow
on compile-time. Consider strlen of already copied string.

Also change strn to strl variants per suggestion from @behlendorf
and @ofaaland.

--
libzfs_input_check.c: In function 'test_redact':
libzfs_input_check.c:711:2: error: 'strncat' specified bound 288 equals
 destination size [-Werror=stringop-overflow=]
  strncat(bookmark, "#testbookmark", sizeof (bookmark));
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #8939
2019-06-22 16:30:59 -07:00
Tom Caputi da68988708 Allow unencrypted children of encrypted datasets
When encryption was first added to ZFS, we made a decision to
prevent users from creating unencrypted children of encrypted
datasets. The idea was to prevent users from inadvertently
leaving some of their data unencrypted. However, since the
release of 0.8.0, some legitimate reasons have been brought up
for this behavior to be allowed. This patch simply removes this
limitation from all code paths that had checks for it and updates
the tests accordingly.

Reviewed-by: Jason King <jason.king@joyent.com>
Reviewed-by: Sean Eric Fagan <sef@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8737 
Closes #8870
2019-06-20 12:29:51 -07:00
Matthew Ahrens 050d720c43 Remove dedupditto functionality
If dedup is in use, the `dedupditto` property can be set, causing ZFS to
keep an extra copy of data that is referenced many times (>100x).  The
idea was that this data is more important than other data and thus we
want to be really sure that it is not lost if the disk experiences a
small amount of random corruption.

ZFS (and system administrators) rely on the pool-level redundancy to
protect their data (e.g. mirroring or RAIDZ).  Since the user/sysadmin
doesn't have control over what data will be offered extra redundancy by
dedupditto, this extra redundancy is not very useful.  The bulk of the
data is still vulnerable to loss based on the pool-level redundancy.
For example, if particle strikes corrupt 0.1% of blocks, you will either
be saved by mirror/raidz, or you will be sad.  This is true even if
dedupditto saved another 0.01% of blocks from being corrupted.

Therefore, the dedupditto functionality is rarely enabled (i.e. the
property is rarely set), and it fulfills its promise of increased
redundancy even more rarely.

Additionally, this feature does not work as advertised (on existing
releases), because scrub/resilver did not repair the extra (dedupditto)
copy (see https://github.com/zfsonlinux/zfs/pull/8270).

In summary, this seldom-used feature doesn't work, and even if it did it
wouldn't provide useful data protection.  It has a non-trivial
maintenance burden (again see https://github.com/zfsonlinux/zfs/pull/8270).

We should remove the dedupditto functionality.  For backwards
compatibility with the existing CLI, "zpool set dedupditto" will still
"succeed" (exit code zero), but won't have any effect.  For backwards
compatibility with existing pools that had dedupditto enabled at some
point, the code will still be able to understand dedupditto blocks and
free them when appropriate.  However, ZFS won't write any new dedupditto
blocks.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Issue #8270 
Closes #8310
2019-06-19 14:54:02 -07:00
Brian Behlendorf 4ca457b065
ZTS: Fix mmp_interval failure
The mmp_interval test case was failing on Fedora 30 due to the built-in
'echo' command terminating the script when it was unable to write to
the sysfs module parameter.  This change in behavior was observed with
ksh-2020.0.0-alpha1.  Resolve the issue by using the external cat
command which fails gracefully as expected.

Additionally, remove some incorrect quotes around the $? return values.

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8906
2019-06-19 10:39:28 -07:00
Paul Dagnelie 30af21b025 Implement Redacted Send/Receive
Redacted send/receive allows users to send subsets of their data to 
a target system. One possible use case for this feature is to not 
transmit sensitive information to a data warehousing, test/dev, or 
analytics environment. Another is to save space by not replicating 
unimportant data within a given dataset, for example in backup tools 
like zrepl.

Redacted send/receive is a three-stage process. First, a clone (or 
clones) is made of the snapshot to be sent to the target. In this 
clone (or clones), all unnecessary or unwanted data is removed or
modified. This clone is then snapshotted to create the "redaction 
snapshot" (or snapshots). Second, the new zfs redact command is used 
to create a redaction bookmark. The redaction bookmark stores the 
list of blocks in a snapshot that were modified by the redaction 
snapshot(s). Finally, the redaction bookmark is passed as a parameter 
to zfs send. When sending to the snapshot that was redacted, the
redaction bookmark is used to filter out blocks that contain sensitive 
or unwanted information, and those blocks are not included in the send 
stream.  When sending from the redaction bookmark, the blocks it 
contains are considered as candidate blocks in addition to those 
blocks in the destination snapshot that were modified since the 
creation_txg of the redaction bookmark.  This step is necessary to 
allow the target to rehydrate data in the case where some blocks are 
accidentally or unnecessarily modified in the redaction snapshot.

The changes to bookmarks to enable fast space estimation involve 
adding deadlists to bookmarks. There is also logic to manage the 
life cycles of these deadlists.

The new size estimation process operates in cases where previously 
an accurate estimate could not be provided. In those cases, a send 
is performed where no data blocks are read, reducing the runtime 
significantly and providing a byte-accurate size estimate.

Reviewed-by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Prashanth Sreenivasa <pks@delphix.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Wilson <george.wilson@delphix.com>
Reviewed-by: Chris Williamson <chris.williamson@delphix.com>
Reviewed-by: Pavel Zhakarov <pavel.zakharov@delphix.com>
Reviewed-by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed-by: Prakash Surya <prakash.surya@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>
Closes #7958
2019-06-19 09:48:12 -07:00
Tulsi Jain 9c7da9a95a Restrict filesystem creation if name referred either '.' or '..'
This change restricts filesystem creation if the given name
contains either '.' or '..'

Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: TulsiJain <tulsi.jain@delphix.com>
Closes #8842 
Closes #8564
2019-06-13 08:56:15 -07:00
Richard Elling cfc16f8ba8 Improve ZTS block_device_wait debugging
The udevadm settle timeout can be 120 or 180 seconds by default
for some distributions. If a long delay is experienced, it could
be due to some strangeness in a malfunctioning device that isn't
related to the devices under test. To help debug this condition,
a notice is given if settle takes too long.

Arguments can now be passed to block_device_wait. The expected
arguments are block device pathnames.

Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Elling <Richard.Elling@RichardElling.com>
Closes #8839
2019-06-10 09:21:19 -07:00
Richard Elling 4cb1b541d4 Block_device_wait does not return an error code
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Elling <Richard.Elling@RichardElling.com>
Closes #8839
2019-06-10 09:21:08 -07:00
Richard Elling bef70afaa6 Remove redundant redundant remove
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Elling <Richard.Elling@RichardElling.com>
Closes #8839
2019-06-10 09:20:42 -07:00
Richard Elling 2ff615b2bf Fix logic error in setpartition function
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Elling <Richard.Elling@RichardElling.com>
Closes #8839
2019-06-10 09:19:32 -07:00
Don Brady 8e91c5ba6a hkdf_test binary should only have one icp instance
The build for test binary hkdf_test was linking both against libicp 
and libzpool. This results in two instances of libicp inside the 
binary but the call to icp_init() only initializes one of them!

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #8850
2019-06-05 14:21:25 -07:00
Tomohiro Kusumi 1608985a41 Add link count test for root inode
Add tests for
97aa3ba44("Fix link count of root inode when snapdir is visible")
as suggested in #8727.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@osnexus.com>
Closes #8732
2019-05-29 16:26:46 -07:00
loli10K ab1a9705f8 Double-free of encryption wrapping key due to invalid pool properties
This commits fixes a double-free in zfs_ioc_pool_create() triggered by
specifying an unsupported combination of properties when creating a pool
with encryption enabled.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8791
2019-05-28 15:19:50 -07:00
Stoiko Ivanov 10e1a0112e tests: fix cosmetic permission issues during `make install`
files in dist_*_SCRIPTS get installed with 0755, those in dist_*_DATA
with 0644. This commit moves all .kshlib, .shlib and .cfg files in the
testsuite to dist_pkgdata_DATA, and removes the shebang from
zpool_import.kshlib.

This ensures that the files are installed with appropriate permissions
and silences some warnings from lintian

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
Closes #8803
2019-05-28 15:07:24 -07:00
loli10K fe609530f2 zfs-tests: fix warnings when packaging some .shlib files
This change prevents the following warning when packaging some zfs-tests
files:

   *** WARNING: ./usr/src/zfs-0.8.0/tests/zfs-tests/include/zpool_script.shlib
   is executable but has empty or no shebang, removing executable bit

Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8787
2019-05-24 14:12:14 -07:00
loli10K 2696e86f2b zfs-tests: verify zfs(8) and zpool(8) help message is under 80 columns
This commit updates the ZFS Test Suite to detect incorrect wrapping of
both zfs(8) and zpool(8) help message

Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8785
2019-05-24 14:04:08 -07:00
siv0 0ff5cd0772 Fix ksh-path for random_readwrite_fixed.ksh
The test in zfs-tests/tests/perf/regression/random_readwrite_fixed.ksh
is the only file to use /usr/bin/ksh in the shebang.
Change it to /bin/ksh for consistency.

Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
Closes #8779
2019-05-24 13:17:50 -07:00
Igor K 2d0077da6d Rename reservation tests from *.sh to *.ksh
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #8729
2019-05-23 15:42:03 -07:00
Brian Behlendorf caf9dd209f
Fix send/recv lost spill block
When receiving a DRR_OBJECT record the receive_object() function
needs to determine how to handle a spill block associated with the
object.  It may need to be removed or kept depending on how the
object was modified at the source.

This determination is currently accomplished using a heuristic which
takes in to account the DRR_OBJECT record and the existing object
properties.  This is a problem because there isn't quite enough
information available to do the right thing under all circumstances.
For example, when only the block size changes the spill block is
removed when it should be kept.

What's needed to resolve this is an additional flag in the DRR_OBJECT
which indicates if the object being received references a spill block.
The DRR_OBJECT_SPILL flag was added for this purpose.  When set then
the object references a spill block and it must be kept.  Either
it is update to date, or it will be replaced by a subsequent DRR_SPILL
record.  Conversely, if the object being received doesn't reference
a spill block then any existing spill block should always be removed.

Since previous versions of ZFS do not understand this new flag
additional DRR_SPILL records will be inserted in to the stream.
This has the advantage of being fully backward compatible.  Existing
ZFS systems receiving this stream will recreate the spill block if
it was incorrectly removed.  Updated ZFS versions will correctly
ignore the additional spill blocks which can be identified by
checking for the DRR_SPILL_UNMODIFIED flag.

The small downside to this approach is that is may increase the size
of the stream and of the received snapshot on previous versions of
ZFS.  Additionally, when receiving streams generated by previous
unpatched versions of ZFS spill blocks may still be lost.

OpenZFS-issue: https://www.illumos.org/issues/9952
FreeBSD-issue: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233277

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8668
2019-05-07 15:18:44 -07:00
Tomohiro Kusumi 9c53e51616 Fix `zfs set atime|relatime=off|on` behavior on inherited datasets
`zfs set atime|relatime=off|on` doesn't disable or enable the property
on read for datasets whose property was inherited from parent, until
a dataset is once unmounted and mounted again.

(The properties start to work properly if a dataset is once unmounted
and mounted again. The difference comes from regular mount process,
e.g. via zpool import, uses mount options based on properties read
from ondisk layout for each dataset, whereas
`zfs set atime|relatime=off|on` just remounts a specified dataset.)

--
 # zpool create p1 <device>
 # zfs create p1/f1
 # zfs set atime=off p1
 # echo test > /p1/f1/test
 # sync
 # zfs list
 NAME    USED  AVAIL     REFER  MOUNTPOINT
 p1      176K  18.9G     25.5K  /p1
 p1/f1    26K  18.9G       26K  /p1/f1
 # zfs get atime
 NAME   PROPERTY  VALUE  SOURCE
 p1     atime     off    local
 p1/f1  atime     off    inherited from p1
 # stat /p1/f1/test | grep Access | tail -1
 Access: 2019-04-26 23:32:33.741205192 +0900
 # cat /p1/f1/test
 test
 # stat /p1/f1/test | grep Access | tail -1
 Access: 2019-04-26 23:32:50.173231861 +0900
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ changed by read(2)
--

The problem is that zfsvfs::z_atime which was probably intended to keep
incore atime state just gets updated by a callback function of "atime"
property change, atime_changed_cb(), and never used for anything else.

Since now that all file read and atime update use a common function
zpl_iter_read_common() -> file_accessed(), and whether to update atime
via ->dirty_inode() is determined by atime_needs_update(),
atime_needs_update() needs to return false once atime is turned off.
It currently continues to return true on `zfs set atime=off`.

Fix atime_changed_cb() by setting or dropping SB_NOATIME in VFS super
block depending on a new atime value, so that atime_needs_update() works
as expected after property change.

The same problem applies to "relatime" except that a self contained
relatime test is needed. This is because relatime_need_update() is based
on a mount option flag MNT_RELATIME, which doesn't exist in datasets
with inherited "relatime" property via `zfs set relatime=...`, hence it
needs its own relatime test zfs_relatime_need_update().

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #8674 
Closes #8675
2019-05-07 10:06:30 -07:00
Tom Caputi fa24166074 Add feature check for 'zpool resilver' command
The 'zpool resilver' command requires that the resilver_defer
feature is active on the pool. Unfortunately, the check for
this was left out of the original patch. This commit simply
corrects this so that the command properly returns an error
in this case.

Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8700
2019-05-02 16:42:31 -07:00
Tomohiro Kusumi 5b1443c47e Use sigaction(2) instead of sigset(3) for portability
sigset(3) isn't portable.
This code fails to compile on platforms without sigset(3).
Use sigaction(2).

--
largest_file.c: In function 'main':
largest_file.c:75:9: error: implicit declaration of function 'sigset'; did you mean 'sigvec'? [-Werror=implicit-function-declaration]
  (void) sigset(SIGXFSZ, sigxfsz);
         ^~~~~~
         sigvec

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #8593
2019-04-30 20:45:17 -07:00
Tom Caputi c2c6eadf29 Fix issues with truncated files in raw sends
When receiving a raw send stream only reallocated objects
whose contents were not freed by the standard indicators
should call dmu_free_long_range().

Furthermore, if calling dmu_free_long_range() is required
then the objects current block size must be used and not
the new block size.

Two additional test cases were added to provided realistic
test coverage for processing reallocated objects which are
part of a raw receive.

Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8528
Closes #8607
2019-04-15 15:28:48 -07:00
Richard Laager 83472fabe5 Fix hierarchy misspellings
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reported-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Richard Laager <rlaager@wiktel.com>
Closes #8563
Closes #8622
2019-04-14 19:06:34 -07:00
Tomohiro Kusumi 703f791d35 Don't hard-code number of ioctls for portability
Use (ZFS_IOC_LAST - ZFS_IOC_FIRST) instead of 256.
It seems 256 is just a number large enough to hold ioctls
at the moment.

Using 256 also causes compile-time warning or error
on platfoms whose enum zfs_ioc definition differs.

Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #8598
2019-04-14 11:13:34 -07:00
Brian Behlendorf b92f5d9f82
Fix issue in receive_object() during reallocation
When receiving an object to a previously allocated interior slot
the new object should be "allocated" by setting DMU_NEW_OBJECT,
not "reallocated" with dnode_reallocate().  For resilience verify
the slot is free as required in case the stream is malformed.

Add a test case to generate more realistic incremental send streams
that force reallocation to occur during the receive.

Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8067 
Closes #8614
2019-04-12 14:28:04 -07:00
John Wren Kennedy 9e3485abfc ZTS: Make fault cleanup function more robust
The cleanup function of auto_online_001_pos does not account for the
possibility that the test may fail while a disk is still removed. If
the test run is using real disks, cleanup should involve restoring any
that are missing.

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>
Closes #8579
2019-04-12 10:07:20 -07:00
Brian Behlendorf d93d4b1acd
Revert "Fix issues with truncated files in raw sends"
This partially reverts commit 5dbf8b4ed.  This change resolved
the issues observed with truncated files in raw sends.  However,
the required changes to dnode_allocate() introduced a regression
for non-raw streams which needs to be understood.

The additional debugging improvements from the original patch
were not reverted.

Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #7378
Issue #8528
Issue #8540
Issue #8565
Close #8584
2019-04-05 17:32:56 -07:00
Don Brady b4ddec7af6 features.kernel layout should match features.pool
The features.kernel layout should match features.pool.

Reviewed-by: Sara Hartse <sara.hartse@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #8566
2019-04-04 19:00:55 -07:00
Sara Hartse a887d653b3 Restrict kstats and print real pointers
There are several places where we use zfs_dbgmsg and %p to
print pointers. In the Linux kernel, these values obfuscated
to prevent information leaks which means the pointers aren't
very useful for debugging crash dumps. We decided to restrict
the permissions of dbgmsg (and some other kstats while we were
at it) and print pointers with %px in zfs_dbgmsg as well as
spl_dumpstack

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Gallagher <john.gallagher@delphix.com>
Signed-off-by: sara hartse <sara.hartse@delphix.com>
Closes #8467 
Closes #8476
2019-04-04 18:57:06 -07:00
Tom Caputi df583073eb Do not iterate through filesystems unnecessarily
Currently, when attempting to list snapshots ZFS may do a lot of
extra work checking child datasets. This is because the code does
not realize that it will not be able to reach any snapshots
contained within snapshots that are at the depth limit since the
snapshots of those datasets are counted as an additional layer
deeper. This patch corrects this issue.

In addition, this patch adds the ability to do perform the commands:

$ zfs list -t snapshot <dataset>
$ zfs get -t snapshot <prop> <dataset>

as a convenient way to list out properties of all snapshots of a
given dataset without having to use the depth limit.

Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8539
2019-04-01 11:58:59 -07:00
Brian Behlendorf 1b939560be
Add TRIM support
UNMAP/TRIM support is a frequently-requested feature to help
prevent performance from degrading on SSDs and on various other
SAN-like storage back-ends.  By issuing UNMAP/TRIM commands for
sectors which are no longer allocated the underlying device can
often more efficiently manage itself.

This TRIM implementation is modeled on the `zpool initialize`
feature which writes a pattern to all unallocated space in the
pool.  The new `zpool trim` command uses the same vdev_xlate()
code to calculate what sectors are unallocated, the same per-
vdev TRIM thread model and locking, and the same basic CLI for
a consistent user experience.  The core difference is that
instead of writing a pattern it will issue UNMAP/TRIM commands
for those extents.

The zio pipeline was updated to accommodate this by adding a new
ZIO_TYPE_TRIM type and associated spa taskq.  This new type makes
is straight forward to add the platform specific TRIM/UNMAP calls
to vdev_disk.c and vdev_file.c.  These new ZIO_TYPE_TRIM zios are
handled largely the same way as ZIO_TYPE_READs or ZIO_TYPE_WRITEs.
This makes it possible to largely avoid changing the pipieline,
one exception is that TRIM zio's may exceed the 16M block size
limit since they contain no data.

In addition to the manual `zpool trim` command, a background
automatic TRIM was added and is controlled by the 'autotrim'
property.  It relies on the exact same infrastructure as the
manual TRIM.  However, instead of relying on the extents in a
metaslab's ms_allocatable range tree, a ms_trim tree is kept
per metaslab.  When 'autotrim=on', ranges added back to the
ms_allocatable tree are also added to the ms_free tree.  The
ms_free tree is then periodically consumed by an autotrim
thread which systematically walks a top level vdev's metaslabs.

Since the automatic TRIM will skip ranges it considers too small
there is value in occasionally running a full `zpool trim`.  This
may occur when the freed blocks are small and not enough time
was allowed to aggregate them.  An automatic TRIM and a manual
`zpool trim` may be run concurrently, in which case the automatic
TRIM will yield to the manual TRIM.

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: George Wilson <george.wilson@delphix.com>
Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Contributions-by: Saso Kiselkov <saso.kiselkov@nexenta.com>
Contributions-by: Tim Chase <tim@chase2k.com>
Contributions-by: Chunwei Chen <tuxoko@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8419 
Closes #598
2019-03-29 09:13:20 -07:00
Tom Caputi 5dbf8b4edd Fix issues with truncated files in raw sends
This patch fixes a few issues with raw receives involving
truncated files:

* dnode_reallocate() now calls dnode_set_blksz() instead of
  dnode_setdblksz(). This ensures that any remaining dbufs with
  blkid 0 are resized along with their containing dnode upon
  reallocation.

* One of the calls to dmu_free_long_range() in receive_object()
  needs to check that the object it is about to free some contents
  or hasn't been completely removed already by a previous call to
  dmu_free_long_object() in the same function.

* The same call to dmu_free_long_range() in the previous point
  needs to ensure it uses the object's current block size and
  not the new block size. This ensures the blocks of the object
  that are supposed to be freed are completely removed and not
  simply partially zeroed out.

This patch also adds handling for DRR_OBJECT_RANGE records to
dprintf_drr() for debugging purposes.

Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7378 
Closes #8528
2019-03-27 11:30:48 -07:00
Richard Elling 85a150ce1e Update valid vdev types for get_disklist
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Richard Elling <Richard.Elling@RichardElling.com>
Closes #8532
2019-03-26 14:18:58 -07:00
Brian Behlendorf db6be852da
ZTS: Detect e2fsprogs verity issue
The projectid_001_pos and projecttree_001_pos test cases use the lsattr
command to detect that the project quota bit is set correctly.  Due to
a bug in e2fsprogs-1.44.4 setting the Project 'P' bit also results in
the Verity 'V' bit being reported as set.  This will result in the test
case failing.

The issue has been resolved in e2fsprogs but in order to avoid testing
failures these two test cases are skipped when e2fsprogs-1.44.4 is
installed.

https://github.com/tytso/e2fsprogs/commit/7e5a95e3d

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8534
2019-03-26 13:57:40 -07:00
Olaf Faaland 060f0226e6 MMP interval and fail_intervals in uberblock
When Multihost is enabled, and a pool is imported, uberblock writes
include ub_mmp_delay to allow an importing node to calculate the
duration of an activity test.  This value, is not enough information.

If zfs_multihost_fail_intervals > 0 on the node with the pool imported,
the safe minimum duration of the activity test is well defined, but does
not depend on ub_mmp_delay:

zfs_multihost_fail_intervals * zfs_multihost_interval

and if zfs_multihost_fail_intervals == 0 on that node, there is no such
well defined safe duration, but the importing host cannot tell whether
mmp_delay is high due to I/O delays, or due to a very large
zfs_multihost_interval setting on the host which last imported the pool.
As a result, it may use a far longer period for the activity test than
is necessary.

This patch renames ub_mmp_sequence to ub_mmp_config and uses it to
record the zfs_multihost_interval and zfs_multihost_fail_intervals
values, as well as the mmp sequence.  This allows a shorter activity
test duration to be calculated by the importing host in most situations.
These values are also added to the multihost_history kstat records.

It calculates the activity test duration differently depending on
whether the new fields are present or not; for importing pools with
only ub_mmp_delay, it uses

(zfs_multihost_interval + ub_mmp_delay) * zfs_multihost_import_intervals

Which results in an activity test duration less sensitive to the leaf
count.

In addition, it makes a few other improvements:
* It updates the "sequence" part of ub_mmp_config when MMP writes
  in between syncs occur.  This allows an importing host to detect MMP
  on the remote host sooner, when the pool is idle, as it is not limited
  to the granularity of ub_timestamp (1 second).
* It issues writes immediately when zfs_multihost_interval is changed
  so remote hosts see the updated value as soon as possible.
* It fixes a bug where setting zfs_multihost_fail_intervals = 1 results
  in immediate pool suspension.
* Update tests to verify activity check duration is based on recorded
  tunable values, not tunable values on importing host.
* Update tests to verify the expected number of uberblocks have valid
  MMP fields - fail_intervals, mmp_interval, mmp_seq (sequence number),
  that sequence number is incrementing, and that uberblock values match
  tunable settings.

Reviewed-by: Andreas Dilger <andreas.dilger@whamcloud.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #7842
2019-03-21 12:47:57 -07:00
Brian Behlendorf 066da71e7f
Improve `zpool labelclear`
1) As implemented the `zpool labelclear` command overwrites
the calculated offsets of all four vdev labels even when only a
single valid label is found.  If the device as been re-purposed
but still contains a valid label this can result in space no
longer owned by ZFS being zeroed.  Prevent this by verifying
every label removed is intact before it's overwritten.

2) Address a small bug in zpool_do_labelclear() which prevented
labelclear from working on file vdevs.  Only block devices support
BLKFLSBUF, try the ioctl() but when it's reported as unsupported
this should not be fatal.

3) Fix `zpool labelclear` so it can be run on vdevs which were
removed from the pool with `zpool remove`.  Additionally, allow
intact but partial labels to be cleared as in the case of a failed
`zpool attach` or `zpool replace`.

4) Remove LABELCLEAR and LABELREAD variables for test cases.

Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8500 
Closes #8373 
Closes #6261
2019-03-21 10:13:01 -07:00
Tom Caputi ab7615d92c Multiple DVA Scrubbing Fix
Currently, there is an issue in the sequential scrub code which
prevents self healing from working in some cases. The scrub code
will split up all DVA copies of a bp and issue each of them
separately. The problem is that, since each of the DVAs is no
longer associated with the others, the self healing code doesn't
have the opportunity to repair problems that show up in one of the
DVAs with the data from the others.

This patch fixes this issue by ensuring that all IOs issued by the
sequential scrub code include all DVAs. Initially, only the first
DVA of each is attempted. If an issue arises, the IO is retried
with all available copies, giving the self healing code a chance
to correct the issue.

To test this change, this patch also adds the ability for zinject
to specify individual DVAs to inject read errors into. We then
add a new test case that utilizes this functionality to ensure
scrubs and self-healing reads can handle and transparently fix
issues with individual copies of blocks.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8453
2019-03-15 14:14:31 -07:00
Tony Hutter 2bbec1c910 Make zpool status counters match error events count
The number of IO and checksum events should match the number of errors
seen in zpool status.  Previously there was a mismatch between the
two counts because zpool status would only count unrecovered errors,
while zpool events would get an event for *all* errors (recovered or
not).  This lead to situations where disks could be faulted for
"too many errors", while at the same time showing zero errors in zpool
status.

This fixes the zpool status error counters to increment at the same
times we post the error events.

Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #4851 
Closes #7817
2019-03-14 18:21:53 -07:00
Tom Caputi eaed840542 Better user experience for errata 4
This patch attempts to address some user concerns that have arisen
since errata 4 was introduced.

* The errata warning has been made less scary for users without
  any encrypted datasets.

* The errata warning now clears itself without a pool reimport if
  the bookmark_v2 feature is enabled and no encrypted datasets
  exist.

* It is no longer possible to create new encrypted datasets without
  enabling the bookmark_v2 feature, thus helping to ensure that the
  errata is resolved.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Issue ##8308
Closes #8504
2019-03-14 16:48:30 -07:00
Igor K 508c5527d0 Use 'printf %s' instead of 'echo -n' for compatibility
The ksh 'echo -n' behavior on Illumos and Linux differs.  For
compatibility with others platforms switch to "printf '%s' ".

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Allan Jude <allanjude@freebsd.org>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Signed-off-by: Igor Kozhukhov <igor@dilos.org>
Closes #8501
2019-03-13 18:39:12 -07:00
Tom Caputi 5cc9ba5cf0 Make zstreamdump -v more greppable
Currently, the verbose output of zstreamdump includes new line
characters within some individual records. Presumably, this was
originally done to keep the output from getting too wide to fit
on a terminal. However, since new flags and struct members have
been added, these rules have not been maintained consistently. In
addition, these newlines can make it hard to grep the output in
some scenarios. This patch simply removes these newlines, making
the output easier to grep and removing the inconsistency.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Allan Jude <allanjude@freebsd.org>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8493
2019-03-13 11:19:23 -07:00
Tom Caputi f00ab3f22c Detect and prevent mixed raw and non-raw sends
Currently, there is an issue in the raw receive code where
raw receives are allowed to happen on top of previously
non-raw received datasets. This is a problem because the
source-side dataset doesn't know about how the blocks on
the destination were encrypted. As a result, any MAC in
the objset's checksum-of-MACs tree that is a parent of both
blocks encrypted on the source and blocks encrypted by the
destination will be incorrect. This will result in
authentication errors when we decrypt the dataset.

This patch fixes this issue by adding a new check to the
raw receive code. The code now maintains an "IVset guid",
which acts as an identifier for the set of IVs used to
encrypt a given snapshot. When a snapshot is raw received,
the destination snapshot will take this value from the
DRR_BEGIN payload. Non-raw receives and normal "zfs snap"
operations will cause ZFS to generate a new IVset guid.
When a raw incremental stream is received, ZFS will check
that the "from" IVset guid in the stream matches that of
the "from" destination snapshot. If they do not match, the
code will error out the receive, preventing the problem.

This patch requires an on-disk format change to add the
IVset guids to snapshots and bookmarks. As a result, this
patch has errata handling and a tunable to help affected
users resolve the issue with as little interruption as
possible.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8308
2019-03-13 11:00:43 -07:00
Tom Caputi 369aa501d1 Fix handling of maxblkid for raw sends
Currently, the receive code can create an unreadable dataset from
a correct raw send stream. This is because it is currently
impossible to set maxblkid to a lower value without freeing the
associated object. This means truncating files on the send side
to a non-0 size could result in corruption. This patch solves this
issue by adding a new 'force' flag to dnode_new_blkid() which will
allow the raw receive code to force the DMU to accept the provided
maxblkid even if it is a lower value than the existing one.

For testing purposes the send_encrypted_files.ksh test has been
extended to include a variety of truncated files and multiple
snapshots. It also now leverages the xattrtest command to help
ensure raw receives correctly handle xattrs.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8168 
Closes #8487
2019-03-13 10:52:01 -07:00
Olaf Faaland 3d31aad83e MMP writes rotate over leaves
Instead of choosing a leaf vdev quasi-randomly, by starting at the root
vdev and randomly choosing children, rotate over leaves to issue MMP
writes.  This fixes an issue in a pool whose top-level vdevs have
different numbers of leaves.

The issue is that the frequency at which individual leaves are chosen
for MMP writes is based not on the total number of leaves but based on
how many siblings the leaves have.

For example, in a pool like this:

       root-vdev
   +------+---------------+
vdev1                   vdev2
  |                       |
  |                +------+-----+-----+----+
disk1             disk2 disk3 disk4 disk5 disk6

vdev1 and vdev2 will each be chosen 50% of the time.  Every time vdev1
is chosen, disk1 will be chosen.  However, every time vdev2 is chosen,
disk2 is chosen 20% of the time.  As a result, disk1 will be sent 5x as
many MMP writes as disk2.

This may create wear issues in the case of SSDs.  It also reduces the
effectiveness of MMP as it depends on the writes being evenly
distributed for the case where some devices fail or are partitioned.

The new code maintains a list of leaf vdevs in the pool.  MMP records
the last leaf used for an MMP write in mmp->mmp_last_leaf.  To choose
the next leaf, MMP starts at mmp->mmp_last_leaf and traverses the list,
continuing from the head if the tail is reached.  It stops when a
suitable leaf is found or all leaves have been examined.

Added a test to verify MMP write distribution is even.

Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Kash Pande <kash@tripleback.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #7953
2019-03-12 10:37:06 -07:00
Lorenz Brun bf90948daf Reorder ZFS ioctls to fix cross-version compatibility
Reorder ZFS ioctls to fix cross-version compatibility.

Reviewed-by: Don Brady <don.brady@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Signed-off-by: Lorenz Brun <lorenz@dolansoft.org>
Closes #8484
2019-03-09 13:39:31 -08:00
Matthew Ahrens c568ab8d99 zfs.8 has wrong description of "zfs program -t"
The "-t" argument to "zfs program" specifies a limit on the number of
LUA instructions that can be executed.  The zfs.8 manpage has the wrong
description.  It should be updated to match what's in zfs-program.8

Also fix the formatting of the zfs help message.

Reviewed by: Allan Jude <allanjude@freebsd.org>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matthew Ahrens <mahrens@delphix.com>
Closes #8410
2019-02-26 11:15:28 -08:00
loli10K c44a3ec059 zvol: allow rename of in use ZVOL dataset
While ZFS allow renaming of in use ZVOLs at the DSL level without issues
the ZVOL layer does not correctly update the renamed dataset if the
device node is open (zv->zv_open_count > 0): trying to access the stale
dataset name, for instance during a zfs receive, will cause the
following failure:

VERIFY3(zv->zv_objset->os_dsl_dataset->ds_owner == zv) failed ((null) == ffff8800dbb6fc00)
PANIC at zvol.c:1255:zvol_resume()
Showing stack for process 1390
CPU: 0 PID: 1390 Comm: zfs Tainted: P           O  3.16.0-4-amd64 #1 Debian 3.16.51-3
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
 0000000000000000 ffffffff8151ea00 ffffffffa0758a80 ffff88028aefba30
 ffffffffa0417219 ffff880037179220 ffffffff00000030 ffff88028aefba40
 ffff88028aefb9e0 2833594649524556 6f5f767a3e2d767a 6f3e2d7465736a62
Call Trace:
 [<0>] ? dump_stack+0x5d/0x78
 [<0>] ? spl_panic+0xc9/0x110 [spl]
 [<0>] ? mutex_lock+0xe/0x2a
 [<0>] ? zfs_refcount_remove_many+0x1ad/0x250 [zfs]
 [<0>] ? rrw_exit+0xc8/0x2e0 [zfs]
 [<0>] ? mutex_lock+0xe/0x2a
 [<0>] ? dmu_objset_from_ds+0x9a/0x250 [zfs]
 [<0>] ? dmu_objset_hold_flags+0x71/0xc0 [zfs]
 [<0>] ? zvol_resume+0x178/0x280 [zfs]
 [<0>] ? zfs_ioc_recv_impl+0x88b/0xf80 [zfs]
 [<0>] ? zfs_refcount_remove_many+0x1ad/0x250 [zfs]
 [<0>] ? zfs_ioc_recv+0x1c2/0x2a0 [zfs]
 [<0>] ? dmu_buf_get_user+0x13/0x20 [zfs]
 [<0>] ? __alloc_pages_nodemask+0x166/0xb50
 [<0>] ? zfsdev_ioctl+0x896/0x9c0 [zfs]
 [<0>] ? handle_mm_fault+0x464/0x1140
 [<0>] ? do_vfs_ioctl+0x2cf/0x4b0
 [<0>] ? __do_page_fault+0x177/0x410
 [<0>] ? SyS_ioctl+0x81/0xa0
 [<0>] ? async_page_fault+0x28/0x30
 [<0>] ? system_call_fast_compare_end+0x10/0x15

Reviewed by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #6263 
Closes #8371
2019-02-22 15:38:42 -08:00
loli10K bb1be77a35 Prevent user accounting on readonly pool
Trying to mount a dataset from a readonly pool could inadvertently start
the user accounting upgrade task, leading to the following failure:

VERIFY3(tx->tx_threads == 2) failed (0 == 2)
PANIC at txg.c:680:txg_wait_synced()
Showing stack for process 2541
CPU: 2 PID: 2541 Comm: z_upgrade Tainted: P           O  3.16.0-4-amd64 #1 Debian 3.16.51-3
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Call Trace:
 [<0>] ? dump_stack+0x5d/0x78
 [<0>] ? spl_panic+0xc9/0x110 [spl]
 [<0>] ? dnode_next_offset+0x1d4/0x2c0 [zfs]
 [<0>] ? dmu_object_next+0x77/0x130 [zfs]
 [<0>] ? dnode_rele_and_unlock+0x4d/0x120 [zfs]
 [<0>] ? txg_wait_synced+0x91/0x220 [zfs]
 [<0>] ? dmu_objset_id_quota_upgrade_cb+0x10f/0x140 [zfs]
 [<0>] ? dmu_objset_upgrade_task_cb+0xe3/0x170 [zfs]
 [<0>] ? taskq_thread+0x2cc/0x5d0 [spl]
 [<0>] ? wake_up_state+0x10/0x10
 [<0>] ? taskq_thread_should_stop.part.3+0x70/0x70 [spl]
 [<0>] ? kthread+0xbd/0xe0
 [<0>] ? kthread_create_on_node+0x180/0x180
 [<0>] ? ret_from_fork+0x58/0x90
 [<0>] ? kthread_create_on_node+0x180/0x180

This patch updates both functions responsible for checking if we can
perform user accounting to verify the pool is not readonly.

Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8424
2019-02-19 18:41:18 -08:00
Ned Bass 75d6b7ddca Add missing copyright notice to large_dnode tests
Missing copyright notices were noticed during the Illumos
RTI process. Add LLNS 2016 copyright based on original merge
date.

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ned Bass <bass6@llnl.gov>
Closes #8435
2019-02-19 18:39:10 -08:00
John Wren Kennedy 435637d1ed ZTS: user_property_002_pos fails to destroy volume
During the cleanup function of this test, an attempt to destroy a volume
can fail because the volume is busy. This leaves the system with
unexpected datasets which in turn causes subsequent failures.

Reviewed-by: bunder2015 <omfgbunder@gmail.com>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>
Closes #8422
2019-02-19 11:12:47 -08:00
John Wren Kennedy 07237a7bc1 ZTS: clone_001_pos fails in cleanup on busy dataset
The "cleanup_all" function in this test calls "zfs destroy" which
fails approximately 30% of the time in our environment due to the
dataset being busy. Since the failure happens during cleanup, the
error is propagated to subsequent tests.

Tested by running the snapshot test group in a loop without seeing
any failures.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>
Closes #8409
2019-02-15 12:45:46 -08:00
Paul Zuchowski 9c5e88b1de zfs should optionally send holds
Add -h switch to zfs send command to send dataset holds. If
holds are present in the stream, zfs receive will create them
on the target dataset, unless the zfs receive -h option is used
to skip receive of holds.

Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #7513
2019-02-15 12:41:38 -08:00
Alek P dcec0a12c8 port async unlinked drain from illumos-nexenta
This patch is an async implementation of the existing sync
zfs_unlinked_drain() function. This function is called at mount time and
is responsible for freeing znodes that we didn't get to freeing before.
We don't have to hold mounting of the dataset until the unlinked list is
fully drained as is done now. Since we can process the unlinked set
asynchronously this results in a better user experience when mounting a
dataset with entries in the unlinked set.

Reviewed by: Jorgen Lundman <lundman@lundman.net>
Reviewed by: Tom Caputi <tcaputi@datto.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Signed-off-by: Alek Pinchuk <apinchuk@datto.com>
Closes #8142
2019-02-12 10:41:15 -08:00
loli10K d8d418ff0c ZVOLs should not be allowed to have children
zfs create, receive and rename can bypass this hierarchy rule. Update
both userland and kernel module to prevent this issue and use pyzfs
unit tests to exercise the ioctls directly.

Note: this commit slightly changes zfs_ioc_create() ABI. This allow to
differentiate a generic error (EINVAL) from the specific case where we
tried to create a dataset below a ZVOL (ZFS_ERR_WRONG_PARENT).

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
2019-02-08 15:44:15 -08:00
loli10K 4417096956 Pool allocation classes misplacing small file blocks
Due to an off-by-one condition in spa_preferred_class() we are picking
the "normal" allocation class instead of the "special" one for file
blocks with size equal to the special_small_blocks property value.

This change fix the small code issue, update the ZFS Test Suite and the
zfs(8) man page.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Don Brady <don.brady@delphix.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8351
Closes #8361
2019-02-08 12:32:12 -08:00
Ahmed Ghanem 9634299657 OpenZFS 9185 - Enable testing over NFS in ZFS performance tests
This change makes additions to the ZFS test suite that allows the
performance tests to run over NFS. The test is run and performance data
collected from the server side, while IO is generated on the NFS client.

This has been tested with Linux and illumos NFS clients.

Authored by: Ahmed Ghanem <ahmedg@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Kevin Greene <kevin.greene@delphix.com>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>

OpenZFS-issue: https://www.illumos.org/issues/9185
Closes #8367
2019-02-04 09:27:37 -08:00
Serapheim Dimitropoulos c853f382db Change target size of metaslabs from 256GB to 16GB
= Old behavior

For vdev sizes 100GB to 50TB we keep ~200 metaslabs per
vdev and the metaslab size grows from 512MB to 256GB.
For vdev's bigger than that we start increasing the
number of metaslabs until we hit the 128K limit.

= New Behavior

For vdev sizes 100GB to 3TB we keep ~200 metaslabs per
vdev and the metaslab size grows from 512MB to 16GB.
For vdev's bigger than that we start increasing the
number of metaslabs until we hit the 128K limit.

= Reasoning

The old behavior makes metaslabs grow in size when
the vdev range is between 3TB (ms_size 16GB) and
32PB (ms_size 256GB). Even though keeping the number
of metaslabs is good in terms of potential number of
I/Os per TXG, these bigger metaslabs take longer
to be loaded and after they are loaded they can
take up a lot of memory because of their range trees.

This change tries to put a boundary in memory and
loading time for the specific range of vdev sizes.

Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Don Brady <don.brady@delphix.com>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #8324
2019-01-25 16:38:27 -08:00
loli10K 60b0a963f5 Off-by-one in zap_leaf_array_create()
Trying to set user properties with their length 1 byte shorter than the
maximum size triggers an assertion failure in zap_leaf_array_create():

  panic[cpu0]/thread=ffffff000a092c40:
  assertion failed: num_integers * integer_size < (8<<10) (0x2000 < 0x2000), file: ../../common/fs/zfs/zap_leaf.c, line: 233

  ffffff000a092500 genunix:process_type+167c35 ()
  ffffff000a0925a0 zfs:zap_leaf_array_create+1d2 ()
  ffffff000a092650 zfs:zap_entry_create+1be ()
  ffffff000a092720 zfs:fzap_update+ed ()
  ffffff000a0927d0 zfs:zap_update+1a5 ()
  ffffff000a0928d0 zfs:dsl_prop_set_sync_impl+5c6 ()
  ffffff000a092970 zfs:dsl_props_set_sync_impl+fc ()
  ffffff000a0929b0 zfs:dsl_props_set_sync+79 ()
  ffffff000a0929f0 zfs:dsl_sync_task_sync+10a ()
  ffffff000a092a80 zfs:dsl_pool_sync+3a3 ()
  ffffff000a092b50 zfs:spa_sync+4e6 ()
  ffffff000a092c20 zfs:txg_sync_thread+297 ()
  ffffff000a092c30 unix:thread_start+8 ()

This patch simply corrects the assertion.

Reviewed-by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8278
2019-01-18 09:58:46 -08:00
Serapheim Dimitropoulos 419ba59145 Update vdev_is_spacemap_addressable() for new spacemap encoding
Since the new spacemap encoding was ported to ZoL that's no longer 
a limitation. This patch updates vdev_is_spacemap_addressable() 
that was performing that check.

It also updates the appropriate test to ensure that the same 
functionality is tested.  The test does so by creating pools that 
don't have the new spacemap encoding enabled - just the checkpoint
feature. This patch also reorganizes that same tests in order to 
cut in half its memory consumption.

Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #8286
2019-01-16 15:06:20 -08:00
Serapheim Dimitropoulos db587941c5 Make zdb results for checkpoint tests consistent
This patch exports and re-imports the pool when these tests are
analyzed with zdb to get consistent results.

Reviewed by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #8292
2019-01-16 10:41:47 -08:00
Brian Behlendorf 6e91a72fe3
Disable 'zfs remap' command
The implementation of 'zfs remap' has proven to be problematic since
it modifies the objset (but not its logical contents) by dirtying
metadata without owning it.  The consequence of which is that
dmu_objset_remap_indirects() is vulnerable to certain races.

For example, if we are in the middle of receiving into the filesystem
while it is being remapped.  Then it is possible we could evict the
objset when the receive completes (see dsl_dataset_clone_swap_sync_impl,
or dmu_recv_end_sync), but dmu_objset_remap_indirects() may be still
using the objset.  The result of which would be a panic.

Extended runs of ztest(8) have exposed other possible races which
can occur when using 'zfs remap'.  Several of these have been fixed
but there may be others which have not yet been encountered and
diagnosed.

Furthermore, the ability to manually remap a filesystem is no longer
particularly useful now that the removal code can map large chunks.
Coupled with the fact that explaining what this command does and why
it may be useful requires a detailed understanding of the internals
of device removal.  These are details users should not be bothered
with.

Therefore, the 'zfs remap' command is being disabled but not entirely
removed.  It may be removed in the future or potentially reworked
to address the issues described above.  Since 'zfs remap' has never
been part of a tagged release its removal is expected to have
minimal impact.

The ZTS tests have been updated to continue to exercise the command
to prevent atrophy, but it has been removed entirely from ztest(8).

Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8238
2019-01-15 15:46:58 -08:00
Paul Zuchowski 83c796c5e9 zfs filesystem skipped by df -h
On full pool when pool root filesystem references very few bytes,
the f_blocks returned to statvfs is 0 but should be at least 1.

Reviewed by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #8253 
Closes #8254
2019-01-13 10:06:13 -08:00
Brian Behlendorf 99b0b5bc3f
ZTS: zpool_resilver_restart
Since the vdev initialize feature was integrated the ZTS
zpool_resilver_restart test has been hitting its internal
timeout more frequently.  This happens most often on
the coverage builder but not exclusively.  Increasing the
timeout for this test case prevents any false positives.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8273
2019-01-13 10:01:31 -08:00
loli10K 0f5f23869a zfs receive and rollback can skew filesystem_count
This commit fixes a small issue which causes both zfs receive and
rollback operations to incorrectly increase the "filesystem_count"
property value.

This change also adds a new test group "limits" to the ZFS Test Suite
to exercise both filesystem_count/limit and snapshot_count/limit
functionality.

Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8232
2019-01-08 10:17:46 -08:00
Brian Behlendorf a769fb53a1 Add 'zpool status -i' option
Only display the full details of the vdev initialization state
in 'zpool status' output when requested with the -i option.
By default display '(initializing)' after vdevs when they are
being actively initialized.  This is consistent with the
established precident of appending '(resilvering), etc' and
fits within the default 80 column terminal width making it
easy to read.

Additionally, updated the 'zpool initialize' documentation to
make it clear the options are mutually exclusive, but allow
duplicate options like all other zfs/zpool commands.

Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed-by: George Wilson <george.wilson@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8230
2019-01-07 11:03:18 -08:00
George Wilson 619f097693 OpenZFS 9102 - zfs should be able to initialize storage devices
PROBLEM
========

The first access to a block incurs a performance penalty on some platforms
(e.g. AWS's EBS, VMware VMDKs). Therefore we recommend that volumes are
"thick provisioned", where supported by the platform (VMware). This can
create a large delay in getting a new virtual machines up and running (or
adding storage to an existing Engine). If the thick provision step is
omitted, write performance will be suboptimal until all blocks on the LUN
have been written.

SOLUTION
=========

This feature introduces a way to 'initialize' the disks at install or in the
background to make sure we don't incur this first read penalty.

When an entire LUN is added to ZFS, we make all space available immediately,
and allow ZFS to find unallocated space and zero it out. This works with
concurrent writes to arbitrary offsets, ensuring that we don't zero out
something that has been (or is in the middle of being) written. This scheme
can also be applied to existing pools (affecting only free regions on the
vdev). Detailed design:
        - new subcommand:zpool initialize [-cs] <pool> [<vdev> ...]
                - start, suspend, or cancel initialization
        - Creates new open-context thread for each vdev
        - Thread iterates through all metaslabs in this vdev
        - Each metaslab:
                - select a metaslab
                - load the metaslab
                - mark the metaslab as being zeroed
                - walk all free ranges within that metaslab and translate
                  them to ranges on the leaf vdev
                - issue a "zeroing" I/O on the leaf vdev that corresponds to
                  a free range on the metaslab we're working on
                - continue until all free ranges for this metaslab have been
                  "zeroed"
                - reset/unmark the metaslab being zeroed
                - if more metaslabs exist, then repeat above tasks.
                - if no more metaslabs, then we're done.

        - progress for the initialization is stored on-disk in the vdev’s
          leaf zap object. The following information is stored:
                - the last offset that has been initialized
                - the state of the initialization process (i.e. active,
                  suspended, or canceled)
                - the start time for the initialization

        - progress is reported via the zpool status command and shows
          information for each of the vdevs that are initializing

Porting notes:
- Added zfs_initialize_value module parameter to set the pattern
  written by "zpool initialize".
- Added zfs_vdev_{initializing,removal}_{min,max}_active module options.

Authored by: George Wilson <george.wilson@delphix.com>
Reviewed by: John Wren Kennedy <john.kennedy@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: loli10K <ezomori.nozomu@gmail.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Richard Lowe <richlowe@richlowe.net>
Signed-off-by: Tim Chase <tim@chase2k.com>
Ported-by: Tim Chase <tim@chase2k.com>

OpenZFS-issue: https://www.illumos.org/issues/9102
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/c3963210eb
Closes #8230
2019-01-07 10:37:26 -08:00
Brian Behlendorf 530248d1aa arc_summary: consolidate test case
Since we're only installing one version of arc_summary we only
need one test case.  Update the test to determine which version
is available and then test its supported flags.

Remove files for misc tests which should have been cleaned up.

Reviewed-by: John Ramsden <johnramsden@riseup.net>
Reviewed-by: Neal Gompa <ngompa@datto.com>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8096
2019-01-06 10:39:41 -08:00
Brian Behlendorf 6e72a5b9b6 pyzfs: python3 support (build system)
Almost all of the Python code in the respository has been updated
to be compatibile with Python 2.6, Python 3.4, or newer.  The only
exceptions are arc_summery3.py which requires Python 3, and pyzfs
which requires at least Python 2.7.  This allows us to maintain a
single version of the code and support most default versions of
python.  This change does the following:

* Sets the default shebang for all Python scripts to python3.  If
  only Python 2 is available, then at install time scripts which
  are compatible with Python 2 will have their shebangs replaced
  with /usr/bin/python.  This is done for compatibility until
  Python 2 goes end of life.  Since only the installed versions
  are changed this means Python 3 must be installed on the system
  for test-runner when testing in-tree.

* Added --with-python=<2|3|3.4,etc> configure option which sets
  the PYTHON environment variable to target a specific python
  version.  By default the newest installed version of Python
  will be used or the preferred distribution version when
  creating pacakges.

* Fixed --enable-pyzfs configure checks so they are run when
  --enable-pyzfs=check and --enable-pyzfs=yes.

* Enabled pyzfs for Python 3.4 and newer, which is now supported.

* Renamed pyzfs package to python<VERSION>-pyzfs and updated to
  install in the appropriate site location.  For example, when
  building with --with-python=3.4 a python34-pyzfs will be
  created which installs in /usr/lib/python3.4/site-packages/.

* Renamed the following python scripts according to the Fedora
  guidance for packaging utilities in /bin

  - dbufstat.py     -> dbufstat
  - arcstat.py      -> arcstat
  - arc_summary.py  -> arc_summary
  - arc_summary3.py -> arc_summary3

* Updated python-cffi package name.  On CentOS 6, CentOS 7, and
  Amazon Linux it's called python-cffi, not python2-cffi.  For
  Python3 it's called python3-cffi or python3x-cffi.

* Install one version of arc_summary.  Depending on the version
  of Python available install either arc_summary2 or arc_summary3
  as arc_summary.  The user output is only slightly different.

Reviewed-by: John Ramsden <johnramsden@riseup.net>
Reviewed-by: Neal Gompa <ngompa@datto.com>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8096
2019-01-06 10:39:41 -08:00
bunder2015 5365b0747a Add missing MMP status code to libzfs_status
When MMP was merged the status codes in libzfs_status were not
updated to add the status code for ZPOOL_STATUS_IO_FAILURE_MMP.  This
commit corrects this and adds comments to help keep track of which
code is used for which status.

Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #8148
Closes #8222
2019-01-03 12:15:46 -08:00
Tom Caputi 7c46894081 ZTS: fix wait_scrubbed()
Currently, wait_scrubbed() is the only function of its kind that
accepts a timeout, which is 10s by default. This timeout is pretty
short for a scrub and causes test failures if we run too long. This
patch removes the timeout, instead leaning on the global test suite
timeout to ensure the tests keep moving.

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8210
2018-12-14 10:06:49 -08:00
Andriy Gapon dc1c630b8a OpenZFS 9630 - add lzc_rename and lzc_destroy to libzfs_core
Porting Notes:
* Additional changes to recv_rename_impl() were required due to
  encryption code not being merged in OpenZFS yet.
* libzfs_core python bindings (pyzfs) were updated to fully support
  both lzc_rename() and lzc_destroy()

Authored by: Andriy Gapon <avg@FreeBSD.org>
Reviewed by: Andy Stormont <astormont@racktopsystems.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Dan McDonald <danmcd@joyent.com>
Ported-by: loli10K <ezomori.nozomu@gmail.com>

OpenZFS-issue: https://www.illumos.org/issues/9630
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/049ba63
Closes #8207
2018-12-14 09:49:45 -08:00
Brian Behlendorf 4b70290163
Check for strlcat and strlcpy
This partially reverts commit 8005ca4 by moving the strlcat()
and strlcpy() compatibility implementations back to their original
location.

In addition, these two functions were added to the AC_CHECK_FUNCS
macro. When these functions are available from the C library,
HAVE_STRLCAT and HAVE_STRLCPY will be defined and library version
used. Otherwise the compatibility version is built.

Reviewed-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8157 
Closes #8202
2018-12-11 16:01:41 -08:00
LOLi bdbd5477bc Fix ASSERT in zfs_receive_one()
This commit fixes the following ASSERT in zfs_receive_one() when
receiving a send stream from a root dataset with the "-e" option:

    $ sudo zfs snap source@snap
    $ sudo zfs send source@snap | sudo zfs recv -e destination/recv
    chopprefix > drrb->drr_toname
    ASSERT at libzfs_sendrecv.c:3804:zfs_receive_one()

Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8121
2018-12-04 09:38:55 -08:00
Brian Behlendorf 7c9a42921e
Detect IO errors during device removal
* Detect IO errors during device removal

While device removal cannot verify the checksums of individual
blocks during device removal, it can reasonably detect hard IO
errors from the leaf vdevs.  Failure to perform this error
checking can result in device removal completing successfully,
but moving no data which will permanently corrupt the pool.

Situation 1: faulted/degraded vdevs

In the configuration shown below, the removal of mirror-0 will
permanently corrupt the pool.  Device removal will preferentially
copy data from 'vdev1 -> vdev3' and from 'vdev2 -> vdev4'.  Which
in this case will result in nothing being copied since one vdev
in each of those groups in unavailable.  However, device removal
will complete successfully since all IO errors are ignored.

  tank                DEGRADED     0     0     0
    mirror-0          DEGRADED     0     0     0
      /var/tmp/vdev1  FAULTED      0     0     0  external fault
      /var/tmp/vdev2  ONLINE       0     0     0
    mirror-1          DEGRADED     0     0     0
      /var/tmp/vdev3  ONLINE       0     0     0
      /var/tmp/vdev4  FAULTED      0     0     0  external fault

This issue is resolved by updating the source child selection
logic to exclude unreadable leaf vdevs.  Additionally, unwritable
destination child vdevs which can never succeed are skipped to
prevent generating a large number of write IO errors.

Situation 2: individual hard IO errors

During removal if an unexpected hard IO error is encountered when
either reading or writing the child vdev the entire removal
operation is cancelled.  While it may be possible to reconstruct
the data after removal that cannot be guaranteed.  The only
strictly safe thing to do is to cancel the removal.

As a future improvement we may want to instead suspend the removal
process and allow the damaged region to be retried.  But that work
is left for another time, hard IO errors during the removal process
are expected to be exceptionally rare.

Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #6900
Closes #8161
2018-12-04 09:37:37 -08:00
Tom Caputi cef48f14da Remove races from scrub / resilver tests
Currently, several tests in the ZFS Test Suite that attempt to
test scrub and resilver behavior occasionally fail. A big reason
for this is that these tests use a combination of zinject and
zfs_scan_vdev_limit to attempt to slow these operations enough
to verify their test commands. This method works most of the time,
but provides no guarantees and leads to flaky behavior. This patch
adds a new tunable, zfs_scan_suspend_progress, that ensures that
scans make no progress, guaranteeing that tests can be run without
racing.

This patch also changes zfs_remove_max_bytes_pause to match this
new tunable. This provides some consistency between these two
similar tunables and ensures that the tunable will not misbehave
on 32-bit systems.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #8111
2018-11-28 10:12:08 -08:00
LOLi 00369f3338 ZTS: fix "not found" errors
This commit fixes several "not found" errors caused by calling undefined
or incorrect shell functions in the following ZFS Test Suite groups:

   * alloc_class
   * channel_program/lua_core
   * channel_program/synctask_core
   * cli_root/zpool_import
   * cli_user/misc

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: bunder2015 <omfgbunder@gmail.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8152
2018-11-27 09:39:37 -08:00
Brian Behlendorf 8005ca4f74
Move strlcat, strlcpy, and strnlen
Move strlcat() and strlcpy() from .c source files in to the libspl
string.h header.  By changing these compatibility functions to static
inline functions they can included as needed without requiring linking
with the libspl.so library.

Remove strnlen() which is barely used in the source, and has been
provided by glibc since v2.10.

Finally, convert four instances of strncpy() to strlcpy() in
libzfs_input_check.c which were causing build warnings when compiling
with gcc 8.2.1.  For example:

  libzfs_input_check.c: In function ‘zfs_destroy’:
  libzfs_input_check.c:651:9: error: ‘strncpy’ specified bound \
      4096 equals destination size [-Werror=stringop-truncation]
    (void) strncpy(zc.zc_name, dataset, sizeof (zc.zc_name));
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8116
2018-11-20 10:37:49 -08:00
LOLi 0cd5c941d0 zpool: allow split with whole-disk devices
This change allows 'zpool split' to work with whole-disk devices and
updates the ZFS Test Suite with a new script to exercise this
functionality.

Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #6643 
Closes #8133
2018-11-20 10:22:53 -08:00
John Wren Kennedy 70621ff20e ZTS: Fix parsing of zpool status in checksum test
filetest_001_pos consumes the output using read -r, assigning each
field to a variable. The problem comes when a vdev is marked degraded,
which appends extra fields to the line. This causes the trailing text
to be treated as part of the `cksum` variable. Using awk instead of
read -r allows us to extract the checksum error count from the output
whether the vdev is degraded or not.

Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: John Wren Kennedy <john.kennedy@delphix.com>
Closes #8136
2018-11-20 09:51:42 -08:00
LOLi ebb8735901 ZTS: "checksum" test group needs "lscpu"
This change adds "lscpu" to the list of commands used by the ZFS Test
Suite: this is required by the "checksum" test group to read the CPU
frequency which is used in EdonR, Skein and SHA2 performance tests.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8139
2018-11-20 09:47:58 -08:00
Sebastien Roy a10d50f999 OpenZFS 8115 - parallel zfs mount
Porting Notes:
* Use thread pools (tpool) API instead of introducing taskq interfaces
  to libzfs.
* Use pthread_mutext for locks as mutex_t isn't available.
* Ignore alternative libshare initialization since OpenZFS-7955 is
  not present on zfsonlinux.

Authored by: Sebastien Roy <seb@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Brad Lewis <brad.lewis@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Prashanth Sreenivasa <pks@delphix.com>
Authored by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Matt Ahrens <mahrens@delphix.com>
Ported-by: Don Brady <don.brady@delphix.com>

OpenZFS-issue: https://www.illumos.org/issues/8115
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/a3f0e2b569
Closes #8092
2018-11-15 11:33:58 -08:00
loli10K d48091de81 zed: detect and offline physically removed devices
This commit adds a new test case to the ZFS Test Suite to verify ZED
can detect when a device is physically removed from a running system:
the device will be offlined if a spare is not available in the pool.

We implement this by using the existing libudev functionality and
without relying solely on the FM kernel module capabilities which have
been observed to be unreliable with some kernels.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Don Brady <don.brady@delphix.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #1537
Closes #7926
2018-11-09 11:17:24 -08:00
Tony Hutter ad796b8a3b Add zpool status -s (slow I/Os) and -p (parseable)
This patch adds a new slow I/Os (-s) column to zpool status to show the
number of VDEV slow I/Os. This is the number of I/Os that didn't
complete in zio_slow_io_ms milliseconds. It also adds a new parsable
(-p) flag to display exact values.

 	NAME         STATE     READ WRITE CKSUM  SLOW
 	testpool     ONLINE       0     0     0     -
	  mirror-0   ONLINE       0     0     0     -
 	    loop0    ONLINE       0     0     0    20
 	    loop1    ONLINE       0     0     0     0

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #7756
Closes #6885
2018-11-08 16:47:24 -08:00
George Melikov 877d925a9e Update zfs_admin_snapshot value (disabled)
It's disabled by default, update code and tests to reflect
the documentation.

Minor cleanup in delegate_common.kshlib.

Reviewed-by: Gregor Kopka <gregor@kopka.net>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Melikov <mail@gmelikov.ru>
Closes #7835 
Closes #8045
2018-11-08 16:17:12 -08:00
Tom Caputi d8244d34bd ZTS: Fix and reenable zfs_rename tests
zfs_rename_006_pos has been flaky in the past because it was
missing a call to block_device_wait to ensure the zvols it creates
are present before running dd. Whenever this this happened,
zfs_rename_009_neg would also fail because the first test would
leak a zvol clone that it did not know how to clean up. This patch
fixes the root cause and reenables the test. It also fixes some
minor grammar errors.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #5647 
Closes #5648 
Closes #8088
2018-11-07 16:59:27 -08:00
Paul Zuchowski c2bcfa71f4 ZTS: Fix test zfs_mount_006_pos
For Linux, place a file in the mount point folder so it will be
considered "busy".  Fix the while loop so it doesn't rm in
directories above the testdir.  Add Linux-specific code to test
overlay on|off.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #4990 
Closes #8081
2018-11-07 16:54:08 -08:00
Paul Zuchowski 04a88fc00c ZTS: Fix posix ACL tests that should pass
Make sure tests have proper include files.  Make sure underlying
"chmod" style permissions don't interfere with ACLs.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #8069
2018-10-31 18:58:43 -05:00
George Melikov 58aeb87a8f ZTS: change `$(cat)` to `$(<)` for speedup
It's better to use ksh/bash built in methods,
rather than spawn new processes every time.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Wren Kennedy <john.kennedy@delphix.com>
Signed-off-by: George Melikov <mail@gmelikov.ru>
Closes #8071
2018-10-31 12:00:06 -05:00
Serapheim Dimitropoulos 0a544c174d zdb -k does not work on Linux when used with -e
This minor bug was introduced with the port of the feature from
OpenZFS to ZoL. This patch fixes the issue that was caused by
a minor re-ordering from the original code.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #8001
2018-10-30 11:46:18 -05:00
Brian Behlendorf bea7578356
ZTS: Fix auto_replace_001_pos test
The root cause of these failures is that udev can notify the
ZED of newly created partition before its links are created.
Handle this by allowing an auto-replace to briefly wait until
udev confirms the links exist.

Distill this test case down to its essentials so it can be run
reliably.  What we need to check is that:

  1) A new disk, in the same physical location, is automatically
     brought online when added to the system,
  2) It completes the replacement process, and
  3) The pool is now ONLINE and healthy.

There is no need to remove the scsi_debug module.  After exporting
the pool the disk can be zeroed, removed, and then re-added to the
system as a new disk.

Reviewed by: loli10K <ezomori.nozomu@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8051
2018-10-29 15:05:14 -05:00
Brian Behlendorf 3449243b6d
ZTS: Update project quota tests
e2fsprogs v1.44.1, which provides lsattr, added a new attribute
for ext3 called "verity".  It is reported after the project quota
flag as a 'V' character in the `lsattr` output.

Update projectid_001_pos.ksh and projecttree_001_pos.ksh to use
a pattern which will match the expected output in both cases.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8043
2018-10-23 19:53:14 -07:00
Tom Caputi 80a91e7469 Defer new resilvers until the current one ends
Currently, if a resilver is triggered for any reason while an
existing one is running, zfs will immediately restart the existing
resilver from the beginning to include the new drive. This causes
problems for system administrators when a drive fails while another
is already resilvering. In this case, the optimal thing to do to
reduce risk of data loss is to wait for the current resilver to end
before immediately replacing the second failed drive, which allows
the system to operate with two incomplete drives for the minimum
amount of time.

This patch introduces the resilver_defer feature that essentially
does this for the admin without forcing them to wait and monitor
the resilver manually. The change requires an on-disk feature
since we must mark drives that are part of a deferred resilver in
the vdev config to ensure that we do not assume they are done
resilvering when an existing resilver completes.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: @mmaybee 
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7732
2018-10-18 21:06:18 -07:00
LOLi 2e55034471 zpool: allow sharing of spare device among pools
ZFS allows, by default, sharing of spare devices among different pools;
this commit simply restores this functionality for disk devices and
adds an additional tests case to the ZFS Test Suite to prevent future
regression.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7999
2018-10-17 11:21:07 -07:00
ilbsmart 779a6c0bf6 deadlock between mm_sem and tx assign in zfs_write() and page fault
The bug time sequence:
1. thread #1, `zfs_write` assign a txg "n".
2. In a same process, thread #2, mmap page fault (which means the
   `mm_sem` is hold) occurred, `zfs_dirty_inode` open a txg failed,
   and wait previous txg "n" completed.
3. thread #1 call `uiomove` to write, however page fault is occurred
   in `uiomove`, which means it need `mm_sem`, but `mm_sem` is hold by
   thread #2, so it stuck and can't complete,  then txg "n" will
   not complete.

So thread #1 and thread #2 are deadlocked.

Reviewed-by: Chunwei Chen <tuxoko@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Grady Wong <grady.w@xtaotech.com>
Closes #7939
2018-10-16 11:11:24 -07:00
Alek P 50a343d85c Fix changelist mounted-dataset iteration
Commit 0c6d093 caused a regression in the inherit codepath.
The fix is to restrict the changelist iteration on mountpoints and
add proper handling for 'legacy' mountpoints

Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Alek Pinchuk <apinchuk@datto.com>
Closes #7988 
Closes #7991
2018-10-10 21:13:13 -07:00
Tony Hutter 2ef0f8c329 Print "(repairing)" in zpool status again
Historically, zpool status prints "(repairing)" for any drives that
have errors during a scrub:

        NAME            STATE     READ WRITE CKSUM
        mypool          ONLINE       0     0     0
          mirror-0      ONLINE       0     0     0
            /tmp/file1  ONLINE      13     0     0  (repairing)
            /tmp/file2  ONLINE       0     0     0
            /tmp/file3  ONLINE       0     0     0

This was accidentally broken in "OpenZFS 9166 - zfs storage pool
checkpoint" (d2734cc).  This patch adds it back in.

Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #7779
Closes #7978
2018-10-09 20:30:32 -07:00
Prakash Surya 54eb2c410e Verify 'zfs destroy' will unshare the dataset
This change adds a new test case to the zfs-test suite to verify that
when 'zfs destroy' is used on a shared dataset, the dataset will be
unshared after the destroy operation completes.

Reviewed by: loli10K <ezomori.nozomu@gmail.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Prakash Surya <prakash.surya@delphix.com>
Closes #7941
2018-10-03 10:17:58 -07:00
Prakash Surya 1bf490ba93 Fix "zfs destroy" when "sharenfs=on" is used
When using "zfs destroy" on a dataset that is using "sharenfs=on" and
has been automatically exported (by libzfs), the dataset will not be
automatically unexported as it should be. This workflow appears to have
been broken by this commit: 3fd3e56cfd

In that change, the "zfs_unmount" function was modified to use the
"mnt.mnt_special" field when determining the mount point that is being
unmounted, rather than "mnt.mnt_mountp".

As a result, when "mntpt" is passed into "zfs_unshare_proto", it's value
is now the dataset name rather than the mountpoint. Thus, when this
value is used with the "is_shared" function (via "zfs_unshare_proto") it
will not find a match (since that function assumes it'll be passed the
mountpoint) and incorrectly reports that the dataset is not shared.

This can be easily reproduced with the following commands:

    $ sudo zpool create tank xvdb
    $ sudo zfs create -o sharenfs=on tank/fish
    $ sudo zfs destroy tank/fish

    $ sudo zfs list -r tank
    NAME   USED  AVAIL  REFER  MOUNTPOINT
    tank  97.5K  7.27G    24K  /tank

    $ sudo exportfs
    /tank/fish      <world>
    $ sudo cat /etc/dfs/sharetab
    /tank/fish      -       nfs     rw,crossmnt

At this point, the "tank/fish" filesystem doesn't exist, but it's still
listed as exported when looking at "exportfs" and "/etc/dfs/sharetab".

Also note, this change brings us back in-sync with the illumos code, as
it pertains to this one line; on illumos, "mnt.mnt_mountp" is used.

Reviewed by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Co-authored-by: George Wilson <george.wilson@delphix.com>
Signed-off-by: Prakash Surya <prakash.surya@delphix.com>
Issue #6143
Closes #7941
2018-10-03 10:17:58 -07:00
Alek P 0c6d09361d changelist should be able to iter on mounts
Modified changelist_gather()ing for the mountpoint property.
Now instead of iterating on all dataset descendants, we read
/proc/self/mounts and iterate on the mounted descendant datasets only.

Switched changelist implementation from a uu_list_* to uu_avl_* in
order to  reduce changlist code-path's worst case time complexity.

Reviewed by: Don Brady <don.brady@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Alek Pinchuk <apinchuk@datto.com>
Closes #7967
2018-10-02 12:30:58 -07:00
Brian Behlendorf 838bd5ff35
ZTS: Fix snapshot_009_pos, snapshot_010_pos
Mitigate the likelihood of the newly created volumes being busy
when the 'zfs destroy -r' is issued by waiting for udev to settle.
Since this is not a iron clad fix I've added the test case to
the known list of possible failures and referenced issue #7961.

Finally, in the case this test does fail fix the cleanup logic
so subsequent tests won't incorrectly fail.

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7961 
Closes #7962
2018-10-01 17:15:57 -07:00
John Gallagher d12614521a Fixes for procfs files backed by linked lists
There are some issues with the way the seq_file interface is implemented
for kstats backed by linked lists (zfs_dbgmsgs and certain per-pool
debugging info):

* We don't account for the fact that seq_file sometimes visits a node
  multiple times, which results in missing messages when read through
  procfs.
* We don't keep separate state for each reader of a file, so concurrent
  readers will receive incorrect results.
* We don't account for the fact that entries may have been removed from
  the list between read syscalls, so reading from these files in procfs
  can cause the system to crash.

This change fixes these issues and adds procfs_list, a wrapper around a
linked list which abstracts away the details of implementing the
seq_file interface for a list and exposing the contents of the list
through procfs.

Reviewed by: Don Brady <don.brady@delphix.com>
Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed by: Brad Lewis <brad.lewis@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: John Gallagher <john.gallagher@delphix.com>
External-issue: LX-1211
Closes #7819
2018-09-26 11:08:12 -07:00
LOLi 36e369ecb8 ZTS: Fix removal_resume_export
This change simplify the test case removing part of the logic which was
introducing a race condition and thus causing spurious failures: we use
attempt_during_removal() from removal.kshlib instead which has been
observed to be more stable.

Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7894 
Closes #7913
2018-09-24 12:58:16 -07:00
LOLi 5140a58f3b zpool should detect invalid fs property on create
This change improve the handling of invalid filesystem properties when
specified at pool creation: this is useful when 'zpool create -n'
(dry run) is executed to detect invalid fs-level options (-O) before
the actual command is run.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7620 
Closes #7878
2018-09-13 13:37:42 -07:00
Brian Behlendorf 92b432139d
Add removal_resume_export to zts-report.py
Add the removal_resume_export test case to the possible failure
section of the zts-report.py and reference the Github issue.  In
the CI environment this test has proven to be unreliable due to
the way it detects the removal thread.  This is a flaw in the test
and not device removal so update the result summary accordingly.

Additionally, increase the allowed timeout in an effort to reduce
the observed rate of false positves.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7895
Issue #7894
2018-09-13 13:35:09 -07:00
Roman Strashkin 733b5722b4 zpool split can create a corrupted pool
Added vdev_resilver_needed() check to verify VDEVs are fully
synced, so that after split the new pool will not be corrupted.

Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Signed-off-by: Roman Strashkin <roman.strashkin@nexenta.com>
Closes #7865
Closes #7881
2018-09-12 18:14:42 -07:00
Don Brady cc99f275a2 Pool allocation classes
Allocation Classes add the ability to have allocation classes in a
pool that are dedicated to serving specific block categories, such
as DDT data, metadata, and small file blocks. A pool can opt-in to
this feature by adding a 'special' or 'dedup' top-level VDEV.

Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Alek Pinchuk <apinchuk@datto.com>
Reviewed-by: Håkan Johansson <f96hajo@chalmers.se>
Reviewed-by: Andreas Dilger <andreas.dilger@chamcloud.com>
Reviewed-by: DHE <git@dehacked.net>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Gregor Kopka <gregor@kopka.net>
Reviewed-by: Kash Pande <kash@tripleback.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #5182
2018-09-05 18:33:36 -07:00
Don Brady b83a0e2dc1 Add basic zfs ioc input nvpair validation
We want newer versions of libzfs_core to run against an existing
zfs kernel module (i.e. a deferred reboot or module reload after
an update).

Programmatically document, via a zfs_ioc_key_t, the valid arguments 
for the ioc commands that rely on nvpair input arguments (i.e. non 
legacy commands from libzfs_core). Automatically verify the expected 
pairs before dispatching a command.

This initial phase focuses on the non-legacy ioctls. A follow-on 
change can address the legacy ioctl input from the zfs_cmd_t.

The zfs_ioc_key_t for zfs_keys_channel_program looks like:

static const zfs_ioc_key_t zfs_keys_channel_program[] = {
       {"program",     DATA_TYPE_STRING,               0},
       {"arg",         DATA_TYPE_UNKNOWN,              0},
       {"sync",        DATA_TYPE_BOOLEAN_VALUE,        ZK_OPTIONAL},
       {"instrlimit",  DATA_TYPE_UINT64,               ZK_OPTIONAL},
       {"memlimit",    DATA_TYPE_UINT64,               ZK_OPTIONAL},
};

Introduce four input errors to identify specific input failures
(in addition to generic argument value errors like EINVAL, ERANGE, 
EBADF, and E2BIG).

ZFS_ERR_IOC_CMD_UNAVAIL the ioctl number is not supported by kernel
ZFS_ERR_IOC_ARG_UNAVAIL an input argument is not supported by kernel
ZFS_ERR_IOC_ARG_REQUIRED a required input argument is missing
ZFS_ERR_IOC_ARG_BADTYPE an input argument has an invalid type

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #7780
2018-09-02 12:14:01 -07:00
Don Brady e8bcb693d6 Add zfs module feature and property info to sysfs
This extends our sysfs '/sys/module/zfs' entry to include feature 
and property attributes. The primary consumer of this information 
is user processes, like the zfs CLI, that need to know what the 
current loaded ZFS module supports. The libzfs binary will consult 
this information when instantiating the zfs and zpool property 
tables and the pool features table.

This introduces 4 kernel objects (dirs) into '/sys/module/zfs'
with corresponding attributes (files):
  features.runtime
  features.pool
  properties.dataset
  properties.pool

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #7706
2018-09-02 12:09:53 -07:00
Brian Behlendorf bb91178e60
ZTS: Fix EBUSY volume destroy failures
It's possible for an unrelated process, like blkid, to have the
volume open when 'zfs destroy' is run.  Switch the cleanup functions
to the destroy_dataset() helper which handles this case by retrying
the destroy when the dataset is busy.  This was done not only for
volumes but also for file systems for consistency.

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7854
2018-08-31 15:30:44 -07:00
bunder2015 9e7fb6c171 ZTS: pool_checkpoint path cleanup
Removing hardcoded paths in pool_checkpoint.kshlib

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7840
2018-08-30 14:45:16 -07:00
Richard Elling 6fa1e1e73a ZTS: Fix DEV_DSKDIR trim from disk
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Elling <Richard.Elling@RichardElling.com>
Closes #7848
2018-08-30 14:43:37 -07:00
bunder2015 de61daa597 ZTS: zvol_swap_003 path cleanup
Removing hardcoded paths in zvol_swap_003

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7839
2018-08-30 13:53:06 -07:00
bernie1995 0fe7c953b3 ZTS: path cleanup
Removing hardcoded paths in many scripts.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bernie1995 <bernie.pikes@gmail.com>
Issue #7507 
Closes #7843
2018-08-30 13:46:55 -07:00
Brian Behlendorf 6c6949acae
ZTS: Fix zfs_create_013_pos
It's possible for an unrelated process, like blkid, to have the
volume open when 'zfs destroy' is run.  Switch the cleanup function
to the destroy_dataset() helper which handles this case by retrying
the destroy when the dataset is busy.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7847
2018-08-30 13:38:09 -07:00
Tom Caputi c3bd3fb4ac OpenZFS 9403 - assertion failed in arc_buf_destroy()
Assertion failed in arc_buf_destroy() when concurrently reading
block with checksum error.

Porting notes:
* The ability to zinject decompression errors has been added, but
  this only works at the zio_decompress() level, where we have all
  of the info we need to match against the user's zinject options.
* The decompress_fault test has been added to test the new zinject
  functionality
* We attempted to set zio_decompress_fail_fraction to (1 << 18) in
  ztest for further test coverage. Although this did uncover a few
  low priority issues, this unfortuantely also causes ztest to
  ASSERT in many locations where the code is working correctly since
  it is designed to fail on IO errors. Developers can manually set
  this variable with the '-o' option to find and debug issues.

Authored by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Matt Ahrens <mahrens@delphix.com>
Ported-by: Tom Caputi <tcaputi@datto.com>

OpenZFS-issue: https://illumos.org/issues/9403
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/fa98e487a9
Closes #7822
2018-08-29 11:33:33 -07:00
Tom Caputi 47ab01a18f Always wait for txg sync when umounting dataset
Currently, when unmounting a filesystem, ZFS will only wait for
a txg sync if the dataset is dirty and not readonly. However, this
can be problematic in cases where a dataset is remounted readonly
immediately before being unmounted, which often happens when the
system is being shut down. Since encrypted datasets require that
all I/O is completed before the dataset is disowned, this issue
causes problems when write I/Os leak into the txgs after the
dataset is disowned, which can happen when sync=disabled.

While looking into fixes for this issue, it was discovered that
dsl_dataset_is_dirty() does not return B_TRUE when the dataset has
been removed from the txg dirty datasets list, but has not actually
been processed yet. Furthermore, the implementation is comletely
different from dmu_objset_is_dirty(), adding to the confusion.
Rather than relying on this function, this patch forces the umount
code path (and the remount readonly code path) to always perform a
txg sync on read-write datasets and removes the function altogether.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7753
Closes #7795
2018-08-27 10:16:28 -07:00
Brian Behlendorf a584ef2605
Direct IO support
Direct IO via the O_DIRECT flag was originally introduced in XFS by
IRIX for database workloads. Its purpose was to allow the database
to bypass the page and buffer caches to prevent unnecessary IO
operations (e.g.  readahead) while preventing contention for system
memory between the database and kernel caches.

On Illumos, there is a library function called directio(3C) that
allows user space to provide a hint to the file system that Direct IO
is useful, but the file system is free to ignore it. The semantics
are also entirely a file system decision. Those that do not
implement it return ENOTTY.

Since the semantics were never defined in any standard, O_DIRECT is
implemented such that it conforms to the behavior described in the
Linux open(2) man page as follows.

    1.  Minimize cache effects of the I/O.

    By design the ARC is already scan-resistant which helps mitigate
    the need for special O_DIRECT handling.  Data which is only
    accessed once will be the first to be evicted from the cache.
    This behavior is in consistent with Illumos and FreeBSD.

    Future performance work may wish to investigate the benefits of
    immediately evicting data from the cache which has been read or
    written with the O_DIRECT flag.  Functionally this behavior is
    very similar to applying the 'primarycache=metadata' property
    per open file.

    2. O_DIRECT _MAY_ impose restrictions on IO alignment and length.

    No additional alignment or length restrictions are imposed.

    3. O_DIRECT _MAY_ perform unbuffered IO operations directly
       between user memory and block device.

    No unbuffered IO operations are currently supported.  In order
    to support features such as transparent compression, encryption,
    and checksumming a copy must be made to transform the data.

    4. O_DIRECT _MAY_ imply O_DSYNC (XFS).

    O_DIRECT does not imply O_DSYNC for ZFS.  Callers must provide
    O_DSYNC to request synchronous semantics.

    5. O_DIRECT _MAY_ disable file locking that serializes IO
       operations.  Applications should avoid mixing O_DIRECT
       and normal IO or mmap(2) IO to the same file.  This is
       particularly true for overlapping regions.

    All I/O in ZFS is locked for correctness and this locking is not
    disabled by O_DIRECT.  However, concurrently mixing O_DIRECT,
    mmap(2), and normal I/O on the same file is not recommended.

This change is implemented by layering the aops->direct_IO operations
on the existing AIO operations.  Code already existed in ZFS on Linux
for bypassing the page cache when O_DIRECT is specified.

References:
  * http://xfs.org/docs/xfsdocs-xml-dev/XFS_User_Guide/tmp/en-US/html/ch02s09.html
  * https://blogs.oracle.com/roch/entry/zfs_and_directio
  * https://ext4.wiki.kernel.org/index.php/Clarifying_Direct_IO's_Semantics
  * https://illumos.org/man/3c/directio

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #224 
Closes #7823
2018-08-27 10:04:21 -07:00
Joao Carlos Mendes Luis 5d6ad2442b Fedora 28: Fix misc bounds check compiler warnings
Fix a bunch of truncation compiler warnings that show up
on Fedora 28 (GCC 8.0.1).

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #7368 
Closes #7826 
Closes #7830
2018-08-26 12:55:44 -07:00
LOLi c434d8806c Stack overflow when destroying deeply nested clones
Destroy operations on deeply nested chains of clones can overflow
the stack:

        Depth    Size   Location    (221 entries)
        -----    ----   --------
  0)    15664      48   mutex_lock+0x5/0x30
  1)    15616       8   mutex_lock+0x5/0x30
...
 26)    13576      72   dsl_dataset_remove_clones_key.isra.4+0x124/0x1e0 [zfs]
 27)    13504      72   dsl_dataset_remove_clones_key.isra.4+0x18a/0x1e0 [zfs]
 28)    13432      72   dsl_dataset_remove_clones_key.isra.4+0x18a/0x1e0 [zfs]
...
185)     2128      72   dsl_dataset_remove_clones_key.isra.4+0x18a/0x1e0 [zfs]
186)     2056      72   dsl_dataset_remove_clones_key.isra.4+0x18a/0x1e0 [zfs]
187)     1984      72   dsl_dataset_remove_clones_key.isra.4+0x18a/0x1e0 [zfs]
188)     1912     136   dsl_destroy_snapshot_sync_impl+0x4e0/0x1090 [zfs]
189)     1776      16   dsl_destroy_snapshot_check+0x0/0x90 [zfs]
...
218)      304     128   kthread+0xdf/0x100
219)      176      48   ret_from_fork+0x22/0x40
220)      128     128   kthread+0x0/0x100

Fix this issue by converting dsl_dataset_remove_clones_key() from
recursive to iterative.

Reviewed-by: Paul Zuchowski <pzuchowski@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7279 
Closes #7810
2018-08-22 11:03:31 -07:00
Tom Caputi 149ce888bb Fix issues with raw receive_write_byref()
This patch fixes 2 issues with raw, deduplicated send streams. The
first is that datasets who had been completely received earlier in
the stream were not still marked as raw receives. This caused
problems when newly received datasets attempted to fetch raw data
from these datasets without this flag set.

The second problem was that the arc freeze checksum code was not
consistent about which locks needed to be held while performing
its asserts. The proper locking needed to run these asserts is
actually fairly nuanced, since the asserts touch the linked list
of buffers (requiring the header lock), the arc_state (requiring
the b_evict_lock), and the b_freeze_cksum (requiring the
b_freeze_lock). This seems like a large performance sacrifice and
a lot of unneeded complexity to verify that this relatively small
debug feature is working as intended, so this patch simply removes
these asserts instead.

Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7701
2018-08-20 11:03:56 -07:00
Olaf Faaland 34fe773e30 Skip import activity test in more zdb code paths
Since zdb opens the pools read-only, it cannot damage the pool in the
event the pool is already imported either on the same host or on
another one.

If the pool vdev structure is changing while zdb is importing the
pool, it may cause zdb to crash.  However this is unlikely, and in any
case it's a user space process and can simply be run again.

For this reason, zdb should disable the multihost activity test on
import that is normally run.

This commit fixes a few zdb code paths where that had been overlooked.
It also adds tests to ensure that several common use cases handle this
properly in the future.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Gu Zheng <guzheng2331314@163.com>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #7797 
Closes #7801
2018-08-20 10:05:23 -07:00
Serapheim Dimitropoulos a448a2557e Introduce read/write kstats per dataset
The following patch introduces a few statistics on reads and writes
grouped by dataset. These statistics are implemented as kstats
(backed by aggregate sums for performance) and can be retrieved by
using the dataset objset ID number. The motivation for this change is
to provide some preliminary analytics on dataset usage/performance.

Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Closes #7705
2018-08-20 09:52:37 -07:00
bunder2015 fa84714abb ZTS: events path cleanup
Removing hardcoded paths in events.cfg

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7805
2018-08-18 21:19:41 -07:00
bunder2015 80d45e089c ZTS: largest_pool_001 path cleanup
Removing hardcoded paths in largest_pool_001

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7804
2018-08-18 21:18:31 -07:00
bunder2015 5468ee7a2f ZTS: privilege group path cleanup
Removing hardcoded paths in privilege group tests

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7803
2018-08-18 21:17:22 -07:00
Brian Behlendorf 089b16f48d
ZTS: Fix import_cache_device_replaced
Allow the 'zpool replace' to run slowly without overwhelming the vdev
queues by setting zfs_scan_vdev_limit=128k.  This limits the number of
concurrent slow IOs which need to be handled.  The net effect is the
test case runs approximately 3x faster putting it well under the 10
minute per-test time limit.

Rename import_cache* test cases to imprt_cachefile*.  Originally
these were renamed due to a maximum tar name limit, this limit was
removed by commit 1dfde3d9b.

Replaced instances of /var/tmp in zpool_import.cfg with $TEST_BASE_DIR.

Reviewed-by: bunder2015 <omfgbunder@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7765 
Closes #7802
2018-08-18 21:16:12 -07:00
Brian Behlendorf 802715b74a
ZTS: Fix reservation_001_pos
It's possible for an unrelated process, like blkid, to have the
volume open when 'zfs destroy' is run.  Switch the cleanup function
to the destroy_dataset() helper which handles this case by retrying
the destroy when the dataset is busy.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7796
2018-08-17 10:01:47 -07:00
Brian Behlendorf 1dfde3d9b2
Use posix format for dist tarballs
Traditionally Automake has defaulted to the V7 tar format when
creating tarballs for distributions.  One of the many limitions
of this format is a 99 character maximum path + file name limit.
This can cause problems when adding new test cases to the ZTS
due to the depth of the sub-tree and descriptive test names.

This change switches the build system to the posix (aliased as
pax) tar format which conforms to the POSIX.1-2001 specification.
This format does not suffer from the V7 limitations, was designed
to be compatible, and will become the default format in future
versions of GNU tar.

https://www.gnu.org/software/tar/manual/html_chapter/tar_8.html

As part of this change the blockfiles directories which were
originally removed due to this limit have been readded.

Reviewed by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7767
2018-08-15 09:52:28 -07:00
Tom Caputi d9c460a0b6 Added encryption support for zfs recv -o / -x
One small integration that was absent from b52563 was
support for zfs recv -o / -x with regards to encryption
parameters. The main use cases of this are as follows:

* Receiving an unencrypted stream as encrypted without
  needing to create a "dummy" encrypted parent so that
  encryption can be inheritted.

* Allowing users to change their keylocation on receive,
  so long as the receiving dataset is an encryption root.

* Allowing users to explicitly exclude or override the
  encryption property from an unencrypted properties stream,
  allowing it to be received as encrypted.

* Receiving a recursive heirarchy of unencrypted datasets,
  encrypting the top-level one and forcing all children to
  inherit the encryption.

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7650
2018-08-15 09:48:49 -07:00
bunder2015 64e96969a8 ZTS: delegate group path cleanup
Removing hardcoded paths in delegate group tests

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7778
2018-08-13 08:24:02 -07:00
bunder2015 d02fa81c78 ZTS: acl group path cleanup
Removing hardcoded paths in acl group tests

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7777
2018-08-13 08:22:41 -07:00
bunder2015 604016054e ZTS: inuse_004 path cleanup
Removing hardcoded path in inuse_004

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7775
2018-08-13 08:16:55 -07:00
bunder2015 5fba582887 ZTS: projectquota_002 path cleanup
Removing hardcoded path in projectquota_002

Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7774
2018-08-13 08:15:53 -07:00
Brian Behlendorf 94b197a0a5
ZTS: Test case reliability
* Both cli_root/zpool_import/import_cache_device_replaced, and
  redundancy/redundancy_004_neg have been observed to fail for
  spurious reasons ~1% of the time.  Add them to the exception
  list and reference the open Github issue.

* Speed up replacement/replacement_001_pos to prevent it from
  exceeding the 10 minute per test limit and getting KILLED.
  File vdev creation switched to truncate -s, redundant raidz1
  testing pass dropped, fixed some minor formating issues.

Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7766
2018-08-12 09:38:53 -07:00
LOLi c8c308362c Allow inherited properties in zfs_check_settable()
This change modifies how 'checksum' and 'dedup' properties are verified
in zfs_check_settable() handling the case where they are explicitly
inherited in the dataset hierarchy when receiving a recursive send
stream.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7755 
Closes #7576 
Closes #7757
2018-08-03 14:56:25 -07:00
Brian Behlendorf 6da0998f59
ZTS: Fix zfs_create_007_pos
It's possible for an unrelated process, like blkid, to have the
volume open when 'zfs destroy' is run.  Switch the cleanup function
to the destroy_dataset() helper which handles this case by retrying
the destroy when the dataset is busy.

Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7763
2018-08-03 10:21:50 -07:00
Paul Dagnelie 492f64e941 OpenZFS 9112 - Improve allocation performance on high-end systems
Overview
========

We parallelize the allocation process by creating the concept of
"allocators". There are a certain number of allocators per metaslab
group, defined by the value of a tunable at pool open time.  Each
allocator for a given metaslab group has up to 2 active metaslabs; one
"primary", and one "secondary". The primary and secondary weight mean
the same thing they did in in the pre-allocator world; primary metaslabs
are used for most allocations, secondary metaslabs are used for ditto
blocks being allocated in the same metaslab group.  There is also the
CLAIM weight, which has been separated out from the other weights, but
that is less important to understanding the patch.  The active metaslabs
for each allocator are moved from their normal place in the metaslab
tree for the group to the back of the tree. This way, they will not be
selected for use by other allocators searching for new metaslabs unless
all the passive metaslabs are unsuitable for allocations.  If that does
happen, the allocators will "steal" from each other to ensure that IOs
don't fail until there is truly no space left to perform allocations.

In addition, the alloc queue for each metaslab group has been broken
into a separate queue for each allocator. We don't want to dramatically
increase the number of inflight IOs on low-end systems, because it can
significantly increase txg times. On the other hand, we want to ensure
that there are enough IOs for each allocator to allow for good
coalescing before sending the IOs to the disk.  As a result, we take a
compromise path; each allocator's alloc queue max depth starts at a
certain value for every txg. Every time an IO completes, we increase the
max depth. This should hopefully provide a good balance between the two
failure modes, while not dramatically increasing complexity.

We also parallelize the spa_alloc_tree and spa_alloc_lock, which cause
very similar contention when selecting IOs to allocate. This
parallelization uses the same allocator scheme as metaslab selection.

Performance Results
===================

Performance improvements from this change can vary significantly based
on the number of CPUs in the system, whether or not the system has a
NUMA architecture, the speed of the drives, the values for the various
tunables, and the workload being performed. For an fio async sequential
write workload on a 24 core NUMA system with 256 GB of RAM and 8 128 GB
SSDs, there is a roughly 25% performance improvement.

Future Work
===========

Analysis of the performance of the system with this patch applied shows
that a significant new bottleneck is the vdev disk queues, which also
need to be parallelized.  Prototyping of this change has occurred, and
there was a performance improvement, but more work needs to be done
before its stability has been verified and it is ready to be upstreamed.

Authored by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: Alexander Motin <mav@FreeBSD.org>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Gordon Ross <gwr@nexenta.com>
Ported-by: Paul Dagnelie <pcd@delphix.com>
Signed-off-by: Paul Dagnelie <pcd@delphix.com>

Porting Notes:
* Fix reservation test failures by increasing tolerance.

OpenZFS-issue: https://illumos.org/issues/9112
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/3f3cc3c3
Closes #7682
2018-07-31 10:52:33 -07:00
Paul Dagnelie 21d48b5eac OpenZFS 9438 - Holes can lose birth time info if a block has a mix of birth times
As reported by https://github.com/zfsonlinux/zfs/issues/4996, there is
yet another hole birth issue. In this one, if a block is entirely holes,
but the birth times are not all the same, we lose that information by
creating one hole with the current txg as its birth time.

The ZoL PR's fix approach is incorrect. Ultimately, the problem here is
that when you truncate and write a file in the same transaction group,
the dbuf for the indirect block will be zeroed out to deal with the
truncation, and then written for the write. During this process, we will
lose hole birth time information for any holes in the range. In the case
where a dnode is being freed, we need to determine whether the block
should be converted to a higher-level hole in the zio pipeline, and if
so do it when the dnode is being synced out.

Porting Notes:
* The DMU_OBJECT_END change in zfs_znode.c was already applied.
* Added test cases from #5675 provided by @rincebrain for hole_birth
  issues.  These test cases should be pushed upstream to OpenZFS.
* Updated mk_files which is used by several rsend tests so the
  files created are a little more interesting and may contain holes.

Authored by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/9438
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/738e2a3c
External-issue: DLPX-46861
Closes #7746
2018-07-30 09:27:49 -07:00
Brian Behlendorf b719768e35
ZTS: Fix reservation_017_pos
It's possible for an unrelated process, like blkid, to have the
volume open when 'zfs destroy' is run.  Switch the cleanup function
to the destroy_dataset() helper which handles this case by retrying
the destroy when the dataset is busy.

Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7750
2018-07-30 09:23:45 -07:00
Brian Behlendorf d441e85dd7
Add support for autoexpand property
While the autoexpand property may seem like a small feature it
depends on a significant amount of system infrastructure.  Enough
of that infrastructure is now in place that with a few modifications
for Linux it can be supported.

Auto-expand works as follows; when a block device is modified
(re-sized, closed after being open r/w, etc) a change uevent is
generated for udev.  The ZED, which is monitoring udev events,
passes the change event along to zfs_deliver_dle() if the disk
or partition contains a zfs_member as identified by blkid.

From here the device is matched against all imported pool vdevs
using the vdev_guid which was read from the label by blkid.  If
a match is found the ZED reopens the pool vdev.  This re-opening
is important because it allows the vdev to be briefly closed so
the disk partition table can be re-read.  Otherwise, it wouldn't
be possible to report the maximum possible expansion size.

Finally, if the property autoexpand=on a vdev expansion will be
attempted.  After performing some sanity checks on the disk to
verify that it is safe to expand,  the primary partition (-part1)
will be expanded and the partition table updated.  The partition
is then re-opened (again) to detect the updated size which allows
the new capacity to be used.

In order to make all of the above possible the following changes
were required:

* Updated the zpool_expand_001_pos and zpool_expand_003_pos tests.
  These tests now create a pool which is layered on a loopback,
  scsi_debug, and file vdev.  This allows for testing of non-
  partitioned block device (loopback), a partition block device
  (scsi_debug), and a file which does not receive udev change
  events.  This provided for better test coverage, and by removing
  the layering on ZFS volumes there issues surrounding layering
  one pool on another are avoided.

* zpool_find_vdev_by_physpath() updated to accept a vdev guid.
  This allows for matching by guid rather than path which is a
  more reliable way for the ZED to reference a vdev.

* Fixed zfs_zevent_wait() signal handling which could result
  in the ZED spinning when a signal was not handled.

* Removed vdev_disk_rrpart() functionality which can be abandoned
  in favor of kernel provided blkdev_reread_part() function.

* Added a rwlock which is held as a writer while a disk is being
  reopened.  This is important to prevent errors from occurring
  for any configuration related IOs which bypass the SCL_ZIO lock.
  The zpool_reopen_007_pos.ksh test case was added to verify IO
  error are never observed when reopening.  This is not expected
  to impact IO performance.

Additional fixes which aren't critical but were discovered and
resolved in the course of developing this functionality.

* Added PHYS_PATH="/dev/zvol/dataset" to the vdev configuration for
  ZFS volumes.  This is as good as a unique physical path, while the
  volumes are not used in the test cases anymore for other reasons
  this improvement was included.

Reviewed by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Sara Hartse <sara.hartse@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #120
Closes #2437
Closes #5771
Closes #7366
Closes #7582
Closes #7629
2018-07-23 15:40:15 -07:00
Matthew Ahrens 2e5dc449c1 OpenZFS 9337 - zfs get all is slow due to uncached metadata
This project's goal is to make read-heavy channel programs and zfs(1m)
administrative commands faster by caching all the metadata that they will
need in the dbuf layer. This will prevent the data from being evicted, so
that any future call to i.e. zfs get all won't have to go to disk (very
much). There are two parts:

The dbuf_metadata_cache. We identify what to put into the cache based on
the object type of each dbuf.  Caching objset properties os
{version,normalization,utf8only,casesensitivity} in the objset_t. The reason
these needed to be cached is that although they are queried frequently,
they aren't stored in a dbuf type which we can easily recognize and cache in
the dbuf layer; instead, we have to explicitly store them. There's already
existing infrastructure for maintaining cached properties in the objset
setup code, so I simply used that.

Performance Testing:

 - Disabled kmem_flags
 - Tuned dbuf_cache_max_bytes very low (128K)
 - Tuned zfs_arc_max very low (64M)

Created test pool with 400 filesystems, and 100 snapshots per filesystem.
Later on in testing, added 600 more filesystems (with no snapshots) to make
sure scaling didn't look different between snapshots and filesystems.

Results:

    | Test                   | Time (trunk / diff) | I/Os (trunk / diff) |
    +------------------------+---------------------+---------------------+
    | zpool import           |     0:05 / 0:06     |    12.9k / 12.9k    |
    | zfs get all (uncached) |     1:36 / 0:53     |    16.7k / 5.7k     |
    | zfs get all (cached)   |     1:36 / 0:51     |    16.0k / 6.0k     |

Authored by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Thomas Caputi <tcaputi@datto.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Richard Lowe <richlowe@richlowe.net>
Ported-by: Alek Pinchuk <apinchuk@datto.com>
Signed-off-by: Alek Pinchuk <apinchuk@datto.com>

OpenZFS-issue: https://illumos.org/issues/9337
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/7dec52f
Closes #7668
2018-07-12 10:49:27 -07:00
Serapheim Dimitropoulos a7ed98d8b5 OpenZFS 9330 - stack overflow when creating a deeply nested dataset
Datasets that are deeply nested (~100 levels) are impractical. We just
put a limit of 50 levels to newly created datasets. Existing datasets
should work without a problem.

The problem can be seen by attempting to create a dataset using the -p
option with many levels:

    panic[cpu0]/thread=ffffff01cd282c20: BAD TRAP: type=8 (#df Double fault) rp=ffffffff

    fffffffffbc3aa60 unix:die+100 ()
    fffffffffbc3ab70 unix:trap+157d ()
    ffffff00083d7020 unix:_patch_xrstorq_rbx+196 ()
    ffffff00083d7050 zfs:dbuf_rele+2e ()
    ...
    ffffff00083d7080 zfs:dsl_dir_close+32 ()
    ffffff00083d70b0 zfs:dsl_dir_evict+30 ()
    ffffff00083d70d0 zfs:dbuf_evict_user+4a ()
    ffffff00083d7100 zfs:dbuf_rele_and_unlock+87 ()
    ffffff00083d7130 zfs:dbuf_rele+2e ()
    ... The block above repeats once per directory in the ...
    ... create -p command, working towards the root ...
    ffffff00083db9f0 zfs:dsl_dataset_drop_ref+19 ()
    ffffff00083dba20 zfs:dsl_dataset_rele+42 ()
    ffffff00083dba70 zfs:dmu_objset_prefetch+e4 ()
    ffffff00083dbaa0 zfs:findfunc+23 ()
    ffffff00083dbb80 zfs:dmu_objset_find_spa+38c ()
    ffffff00083dbbc0 zfs:dmu_objset_find+40 ()
    ffffff00083dbc20 zfs:zfs_ioc_snapshot_list_next+4b ()
    ffffff00083dbcc0 zfs:zfsdev_ioctl+347 ()
    ffffff00083dbd00 genunix:cdev_ioctl+45 ()
    ffffff00083dbd40 specfs:spec_ioctl+5a ()
    ffffff00083dbdc0 genunix:fop_ioctl+7b ()
    ffffff00083dbec0 genunix:ioctl+18e ()
    ffffff00083dbf10 unix:brand_sys_sysenter+1c9 ()

Porting notes:
* Added zfs_max_dataset_nesting module option with documentation.
* Updated zfs_rename_014_neg.ksh for Linux.
* Increase the zfs.sh stack warning to 15K.  Enough time has passed
  that 16K can be reasonably assumed to be the default value.  It
  was increased in the 3.15 kernel released in June of 2014.

Authored by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Garrett D'Amore <garrett@damore.org>

OpenZFS-issue: https://www.illumos.org/issues/9330
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/757a75a
Closes #7681
2018-07-09 13:02:50 -07:00
Brian Behlendorf 66df02497c
ZTS: clean_mirror and scrub_mirror cleanup
Remove the dependency on partitionable devices for the clean_mirror
and scrub_mirror test cases.  This allows for the setup and cleanup
of the test cases to be simplified by removing the need for complex
partitioning.

This change also resolves a issue where the clean_mirror devices
were not being properly damaged since the device name was not a
full path.  The result being loopX files were being left in the
top level test_results directory.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7434 
Closes #7690
2018-07-09 12:46:14 -07:00
Serapheim Dimitropoulos 4d044c4c1d OpenZFS 9238 - ZFS Spacemap Encoding V2
Motivation
==========

The current space map encoding has the following disadvantages:
[1] Assuming 512 sector size each entry can represent at most 16MB for a segment.
    This makes the encoding very inefficient for large regions of space.
[2] As vdev-wide space maps have started to be used by new features (i.e.
    device removal, zpool checkpoint) we've started imposing limits in the
    vdevs that can be used with them based on the maximum addressable offset
    (currently 64PB for a top-level vdev).

New encoding
============

The layout can be found at space_map.h and it remains backwards compatible with
the old one. The introduced two-word entry format, besides extending the limits
imposed by the single-entry layout, also includes a vdev field and some extra
padding after its prefix.

The extra padding after the prefix should is reserved for future usage (e.g.
new prefixes for future encodings or new fields for flags). The new vdev field
not only makes the space maps more self-descriptive, but also opens the doors
for pool-wide space maps (expected to be used in the log spacemap project).

One final important note is that the number of bits used for vdevs is reduced
to 24 bits for blkptrs. That was decided as we don't know of any setups that
use more than 16M vdevs for the time being and we wanted to fit the vdev field
in the space map. In addition that gives us some extra bits in dva_t.

Other references:
=================

The new encoding is also discussed towards the end of the Log Space Map
presentation from 2017's OpenZFS summit.
Link: https://www.youtube.com/watch?v=jj2IxRkl5bQ

Authored by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@zfsmail.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Gordon Ross <gwr@nexenta.com>
Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Tim Chase <tim@chase2k.com>

OpenZFS-commit: https://github.com/openzfs/openzfs/commit/90a56e6d
OpenZFS-issue: https://www.illumos.org/issues/9238
Closes #7665
2018-07-05 12:02:34 -07:00
Ahmed Gahnem 4e82b4be78 OpenZFS 9184 - Add ZFS performance test for fixed blocksize random read/write IO
This change introduces a new performance test which does random reads
and writes, but instead of using `bssplit` to determine the block size,
it uses a fixed blocksize. Additionally, some new IO sizes are added to
other tests and timestamp data is recorded with the performance data.

Authored by: Ahmed Gahnem <ahmedg@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com>
Ported-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: John Wren Kennedy <john.kennedy@delphix.com>
Requires-builders: perf

OpenZFS-issue: https://www.illumos.org/issues/9184
OpenZFS-commit: https://github.com/openzfs/openzfs/pull/659
External-issue: DLPX-46724
Closes #7660
2018-07-02 13:46:06 -07:00
Brian Behlendorf e03a41a604
ZTS: Improve enospc tests
The enospc_002_pos test case would frequently fail due a command
succeeding when it was expected to fail due to lack of space.
In order to make this far less likely, files are created across
multiple transaction groups in order to consume as many unused
blocks as possible.

The dependency that the tests run on a partitioned block device
has been removed.  It's simpler to use sparse files.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7663
2018-06-29 09:40:32 -07:00
Serapheim Dimitropoulos d2734cce68 OpenZFS 9166 - zfs storage pool checkpoint
Details about the motivation of this feature and its usage can
be found in this blogpost:

    https://sdimitro.github.io/post/zpool-checkpoint/

A lightning talk of this feature can be found here:
https://www.youtube.com/watch?v=fPQA8K40jAM

Implementation details can be found in big block comment of
spa_checkpoint.c

Side-changes that are relevant to this commit but not explained
elsewhere:

* renames members of "struct metaslab trees to be shorter without
  losing meaning

* space_map_{alloc,truncate}() accept a block size as a
  parameter. The reason is that in the current state all space
  maps that we allocate through the DMU use a global tunable
  (space_map_blksz) which defauls to 4KB. This is ok for metaslab
  space maps in terms of bandwirdth since they are scattered all
  over the disk. But for other space maps this default is probably
  not what we want. Examples are device removal's vdev_obsolete_sm
  or vdev_chedkpoint_sm from this review. Both of these have a
  1:1 relationship with each vdev and could benefit from a bigger
  block size.

Porting notes:

* The part of dsl_scan_sync() which handles async destroys has
  been moved into the new dsl_process_async_destroys() function.

* Remove "VERIFY(!(flags & FWRITE))" in "kernel.c" so zhack can write
  to block device backed pools.

* ZTS:
  * Fix get_txg() in zpool_sync_001_pos due to "checkpoint_txg".

  * Don't use large dd block sizes on /dev/urandom under Linux in
    checkpoint_capacity.

  * Adopt Delphix-OS's setting of 4 (spa_asize_inflation =
    SPA_DVAS_PER_BP + 1) for the checkpoint_capacity test to speed
    its attempts to fill the pool

  * Create the base and nested pools with sync=disabled to speed up
    the "setup" phase.

  * Clear labels in test pool between checkpoint tests to avoid
    duplicate pool issues.

  * The import_rewind_device_replaced test has been marked as "known
    to fail" for the reasons listed in its DISCLAIMER.

  * New module parameters:

      zfs_spa_discard_memory_limit,
      zfs_remove_max_bytes_pause (not documented - debugging only)
      vdev_max_ms_count (formerly metaslabs_per_vdev)
      vdev_min_ms_count

Authored by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Richard Lowe <richlowe@richlowe.net>
Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Tim Chase <tim@chase2k.com>

OpenZFS-issue: https://illumos.org/issues/9166
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/7159fdb8
Closes #7570
2018-06-26 10:07:42 -07:00
Tim Chase 88eaf610d9 Use "eval" in history_002_pos for log_must
Otherwise the output is consumed by the output redirection.

Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tim Chase <tim@chase2k.com>
Closes #7570
2018-06-26 09:58:05 -07:00
Serapheim Dimitropoulos 7637ef8d23 OpenZFS 9591 - ms_shift can be incorrectly changed
ms_shift can be incorrectly changed changed in MOS config for
indirect vdevs that have been historically expanded

According to spa_config_update() we expect new vdevs to have
vdev_ms_array equal to 0 and then we go ahead and set their metaslab
size. The problem is that indirect vdevs also have vdev_ms_array == 0
because their metaslabs are destroyed once their removal is done.

As a result, if a vdev was expanded and then removed may have its
ms_shift changed if another vdev was added after its removal.
Fortunately this behavior does not cause any type of crash or bad
behavior in the kernel but it can confuse zdb and anyone doing any kind
of analysis of the history of the pools.

Authored by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@zfsmail.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Prashanth Sreenivasa <pks@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tim Chase <tim@chase2k.com>
Ported-by: Tim Chase <tim@chase2k.com>

OpenZFS-commit: https://github.com/openzfs/openzfs/pull/651
OpenZFS-issue: https://illumos.org/issues/9591a
External-issue: DLPX-58879
Closes #7644
2018-06-21 09:35:26 -07:00
Brian Behlendorf e4a3297a04
ZTS: Adopt OpenZFS test analysis script
Adopt and extend the OpenZFS ZTS results analysis script for use
with ZFS on Linux.  This allows for automatic analysis of tests
which may be skipped for a variety or reasons or which are not
entirely reliable.

In addition to the list of 'known' failures, which have been updated
for ZFS on Linux, there in a new 'maybe' section.  This mapping
include tests which might be correctly skipped depending on the
test environment.  This may be because of a missing dependency or
lack of required kernel support.  This list also includes tests
which normally pass but might on occasion fail for a harmless
reason.

The script was also extended include a reason for why a given test
might be skipped or may fail.  The reason will be included after
the test in the "results other than PASS that are expected" section.
For failures it is preferable to set the reason to the GitHub issue
number and for skipped tests several generic reasons are available.
You may also specify a custom reason if needed.

All tests were added back in to the linux.run file even if they are
expected to failed.  There is value in running tests which may not
pass, the expected results for these tests has been encoded in
the new analysis script.

All tests which were disabled because they ran more slowly on a
32-bit system have been re-enabled.  Developers working on 32-bit
systems should assess what it reasonable for their environment.

The unnecessary dependency on physical block devices was removed for
the checksum, grow_pool, and grow_replicas test groups so they are
no longer skipped.  Updated the filetest_001_pos test case to run
properly now that it is enabled and moved the grow tests in to a
single directory.

Reviewed-by: Prakash Surya <prakash.surya@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7638
2018-06-20 14:03:13 -07:00
John Gallagher 917f475fba Add tunables for channel programs
This patch adds tunables for modifying the maximum memory limit and
maximum instruction limit that can be specified when running a channel
program.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov
Reviewed-by: Sara Hartse <sara.hartse@delphix.com>
Signed-off-by: John Gallagher <john.gallagher@delphix.com>
External-issue: LX-1085
Closes #7618
2018-06-15 15:10:42 -07:00
John Gallagher ab24877bd3 ZTS: deletes home directories in /export/home
In the cleanup for the privilege tests, an empty variable, empty because
the corresponding setup is skipped on Linux, results in /export/home
being deleted. This patch adds an assertion that the variable is not
empty, and causes the cleanup to be skipped on Linux as well.

Reviewed by: John Wren Kennedy <jwk404@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Signed-off-by: John Gallagher <john.gallagher@delphix.com>
External-issue: LX-1099
Closes #7615
2018-06-12 10:42:26 -07:00
bunder2015 5277571260 ZTS: cleanup user_run
user_run leaves two files in /tmp, moving them to $TEST_BASE_DIR and
adding them to the default cleanup routine.

Reviewed by: John Wren Kennedy <jwk404@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <guss80@gmail.com>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7614
2018-06-12 10:37:12 -07:00
Antonio Russo 39042f9736 Tunable directory for zfs runtime scripts
zpool and zed place scripts in subdirectories of libexecdir. Some
distributions locate architecture independent scripts in other locations
(e.g. Debian). To avoid these paths getting out of sync, centralize the
definitions.

Build zfs-test's default.cfg by Makefile.  Use the new directory
logic building tests/zfs-tests/include/default.cfg.in.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Antonio Russo <antonio.e.russo@gmail.com>
Closes #7597
2018-06-07 09:59:59 -07:00
Antonio Russo 7106b23640 Minor documentation, logging, and testing typos
This patch collects some minor inconsistencies and typos in the
documentation, logging and testing infrastructure.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Antonio Russo <antonio.e.russo@gmail.com>
Closes #7608
2018-06-07 09:38:39 -07:00
Alek P 6969afcefd Always continue recursive destroy after error
Currently, during a recursive zfs destroy the first error that is
encountered will stop the destruction of the datasets. Errors may
happen for a variety of reasons including competing deletions
and busy datasets.
This patch switches recursive destroy to always do a best-effort
recursive dataset destroy.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Alek Pinchuk <apinchuk@datto.com>
Closes #7574
2018-06-06 10:14:52 -07:00
bunder2015 62841115bc ZTS: history path cleanup
History tests were hard coded to use /tmp and didn't clean up
properly after testing.

Reviewed by: John Wren Kennedy <jwk404@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Issue #7507 
Closes #7600
2018-06-06 10:00:22 -07:00
Tony Hutter f0ed6c7448 Add pool state /proc entry, "SUSPENDED" pools
1. Add a proc entry to display the pool's state:

$ cat /proc/spl/kstat/zfs/tank/state
ONLINE

This is done without using the spa config locks, so it will
never hang.

2. Fix 'zpool status' and 'zpool list -o health' output to print
"SUSPENDED" instead of "ONLINE" for suspended pools.

Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #7331 
Closes #7563
2018-06-06 09:33:54 -07:00
John Wren Kennedy ab44e511e2 OpenZFS 9245 - zfs-test failures: slog_013_pos and slog_014_pos
Test 13 would fail because of attempts to zpool destroy -f a pool that
was still busy. Changed those calls to destroy_pool which does a retry
loop, and the problem is no longer reproducible. Also removed some non
functional code in the test which is why it was originally commented out
by placing it after the call to log_pass.

Test 14 would fail because sometimes the check for a degraded pool would
complete before the pool had changed state. Changed the logic to check
in a loop with a timeout and the problem is no longer reproducible.

Authored by: John Wren Kennedy <john.kennedy@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: Chris Williamson <chris.williamson@delphix.com>
Reviewed by: Yuri Pankov <yuripv@yuripv.net>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Approved by: Dan McDonald <danmcd@joyent.com>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

Porting Notes:
* Re-enabled slog_013_pos.ksh

OpenZFS-issue: https://illumos.org/issues/9245
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/8f323b5
Closes #7585
2018-06-04 14:55:02 -07:00
Sara Hartse 74d42600d8 zpool reopen should detect expanded devices
Update bdev_capacity to have wholedisk vdevs query the
size of the underlying block device (correcting for the size
of the efi parition and partition alignment) and therefore detect
expanded space.

Correct vdev_get_stats_ex so that the expandsize is aligned
to metaslab size and new space is only reported if it is large
enough for a new metaslab.

Reviewed by: Don Brady <don.brady@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: John Wren Kennedy <jwk404@gmail.com>
Signed-off-by: sara hartse <sara.hartse@delphix.com>
External-issue: LX-165
Closes #7546 
Issue #7582
2018-05-31 10:36:37 -07:00
John Wren Kennedy 93491c4bb9 OpenZFS 9082 - Add ZFS performance test targeting ZIL latency
This adds a new test to measure ZIL performance.

- Adds the ability to induce IO delays with zinject
- Adds a new variable (PERF_NTHREADS_PER_FS) to allow fio threads to
  be distributed to individual file systems as opposed to all IO going
  to one, as happens elsewhere.
- Refactoring of do_fio_run

Authored by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: John Wren Kennedy <jwk404@gmail.com>

OpenZFS-issue: https://www.illumos.org/issues/9082
OpenZFS-commit: https://github.com/openzfs/openzfs/pull/634
External-issue: DLPX-48625
Closes #7491
2018-05-30 11:59:04 -07:00
Brian Behlendorf 93ce2b4ca5 Update build system and packaging
Minimal changes required to integrate the SPL sources in to the
ZFS repository build infrastructure and packaging.

Build system and packaging:
  * Renamed SPL_* autoconf m4 macros to ZFS_*.
  * Removed redundant SPL_* autoconf m4 macros.
  * Updated the RPM spec files to remove SPL package dependency.
  * The zfs package obsoletes the spl package, and the zfs-kmod
    package obsoletes the spl-kmod package.
  * The zfs-kmod-devel* packages were updated to add compatibility
    symlinks under /usr/src/spl-x.y.z until all dependent packages
    can be updated.  They will be removed in a future release.
  * Updated copy-builtin script for in-kernel builds.
  * Updated DKMS package to include the spl.ko.
  * Updated stale AUTHORS file to include all contributors.
  * Updated stale COPYRIGHT and included the SPL as an exception.
  * Renamed README.markdown to README.md
  * Renamed OPENSOLARIS.LICENSE to LICENSE.
  * Renamed DISCLAIMER to NOTICE.

Required code changes:
  * Removed redundant HAVE_SPL macro.
  * Removed _BOOT from nvpairs since it doesn't apply for Linux.
  * Initial header cleanup (removal of empty headers, refactoring).
  * Remove SPL repository clone/build from zimport.sh.
  * Use of DEFINE_RATELIMIT_STATE and DEFINE_SPINLOCK removed due
    to build issues when forcing C99 compilation.
  * Replaced legacy ACCESS_ONCE with READ_ONCE.
  * Include needed headers for `current` and `EXPORT_SYMBOL`.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Pavel Zakharov <pavel.zakharov@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
TEST_ZIMPORT_SKIP="yes"
Closes #7556
2018-05-29 16:00:33 -07:00
Tony Nguyen ba863d0be4 Profiling for perf tests
Stack profiling is quite useful and Linux ZFS test suite does not
current collect that data.

Linux perf is a common tool for this purpose though the perf record
data file can be quite large. With this change, Linux ZFS perf tests
capture perf record data if perf is installed on the system and
PERF_DO_PROFILING environment variable is set.

Reviewed by: John Wren Kennedy <jwk404@gmail.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Tony Nguyen <tony.nguyen@delphix.com>
External-issue: LX-971
Closes #7549
2018-05-22 10:51:46 -07:00
Brian Behlendorf ab6a2b5cd7
ZTS: Improve zpool_scrub_004_pos reliability
It's possible for the `zpool attach` portion of this test case
to complete before the `zpool scrub` can be issued.  Update the
test case to force the resilvering phase to take longer.

Reviewed-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #5444 
Closes #7541
2018-05-15 08:58:46 -07:00
Brian Behlendorf 8c64fe0442
ZTS: Update O_TMPFILE support check
In CentOS 7.5 the kernel provided a compatibility wrapper to support
O_TMPFILE.  This results in the test setup script correctly detecting
kernel support.  But the ZFS module was built without O_TMPFILE
support due to the non-standard CentOS kernel interface.

Handle this case by updating the setup check to fail either when
the kernel or the ZFS module fail to provide support.  The reason
will be clearly logged in the test results.

Reviewed-by: Chunwei Chen <tuxoko@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7528
2018-05-14 20:36:30 -07:00
Pavel Zakharov 189bd0b670 OpenZFS 9190 - Fix cleanup routine in import_cachefile_device_replaced.ksh
Must clear slow-disk zinject injections in test cleanup routine.
Otherwise, when this test fails, it causes most subsequent tests
to fail.

Authored by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Approved by: Robert Mustacchi <rm@joyent.com>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

OpenZFS-issue: https://illumos.org/issues/9190
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/762c6b4
Closes #7530
2018-05-14 14:30:28 -04:00
bunder2015 29badadd4e Fix shebangs on import tests
Incorrect shebangs were used when porting.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7523  
Closes #7524
2018-05-11 12:37:44 -07:00
bunder2015 670d74b9ce ZTS: enospc_002 path cleanup
Removing hard-coded path used in enospc_002

Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7515
2018-05-08 21:42:58 -07:00
Tim Chase f3d28f0a59 Streamline the zpool_import tests
Don't create an ext4 file system atop $DEV_DISKDIR/$DISK2.
There's likely to not be sufficient space for it to succeed.
Instead, simply create the vdev files in the directory where it
would have been mounted.

Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7459
2018-05-08 21:40:13 -07:00
Pavel Zakharov 6cb8e5306d OpenZFS 9075 - Improve ZFS pool import/load process and corrupted pool recovery
Some work has been done lately to improve the debugability of the ZFS pool
load (and import) process. This includes:

	7638 Refactor spa_load_impl into several functions
	8961 SPA load/import should tell us why it failed
	7277 zdb should be able to print zfs_dbgmsg's

To iterate on top of that, there's a few changes that were made to make the
import process more resilient and crash free. One of the first tasks during the
pool load process is to parse a config provided from userland that describes
what devices the pool is composed of. A vdev tree is generated from that config,
and then all the vdevs are opened.

The Meta Object Set (MOS) of the pool is accessed, and several metadata objects
that are necessary to load the pool are read. The exact configuration of the
pool is also stored inside the MOS. Since the configuration provided from
userland is external and might not accurately describe the vdev tree
of the pool at the txg that is being loaded, it cannot be relied upon to safely
operate the pool. For that reason, the configuration in the MOS is read early
on. In the past, the two configurations were compared together and if there was
a mismatch then the load process was aborted and an error was returned.

The latter was a good way to ensure a pool does not get corrupted, however it
made the pool load process needlessly fragile in cases where the vdev
configuration changed or the userland configuration was outdated. Since the MOS
is stored in 3 copies, the configuration provided by userland doesn't have to be
perfect in order to read its contents. Hence, a new approach has been adopted:
The pool is first opened with the untrusted userland configuration just so that
the real configuration can be read from the MOS. The trusted MOS configuration
is then used to generate a new vdev tree and the pool is re-opened.

When the pool is opened with an untrusted configuration, writes are disabled
to avoid accidentally damaging it. During reads, some sanity checks are
performed on block pointers to see if each DVA points to a known vdev;
when the configuration is untrusted, instead of panicking the system if those
checks fail we simply avoid issuing reads to the invalid DVAs.

This new two-step pool load process now allows rewinding pools accross
vdev tree changes such as device replacement, addition, etc. Loading a pool
from an external config file in a clustering environment also becomes much
safer now since the pool will import even if the config is outdated and didn't,
for instance, register a recent device addition.

With this code in place, it became relatively easy to implement a
long-sought-after feature: the ability to import a pool with missing top level
(i.e. non-redundant) devices. Note that since this almost guarantees some loss
of data, this feature is for now restricted to a read-only import.

Porting notes (ZTS):
* Fix 'make dist' target in zpool_import

* The maximum path length allowed by tar is 99 characters.  Several
  of the new test cases exceeded this limit resulting in them not
  being included in the tarball.  Shorten the names slightly.

* Set/get tunables using accessor functions.

* Get last synced txg via the "zfs_txg_history" mechanism.

* Clear zinject handlers in cleanup for import_cache_device_replaced
  and import_rewind_device_replaced in order that the zpool can be
  exported if there is an error.

* Increase FILESIZE to 8G in zfs-test.sh to allow for a larger
  ext4 file system to be created on ZFS_DISK2.  Also, there's
  no need to partition ZFS_DISK2 at all.  The partitioning had
  already been disabled for multipath devices.  Among other things,
  the partitioning steals some space from the ext4 file system,
  makes it difficult to accurately calculate the paramters to
  parted and can make some of the tests fail.

* Increase FS_SIZE and FILE_SIZE in the zpool_import test
  configuration now that FILESIZE is larger.

* Write more data in order that device evacuation take lonnger in
  a couple tests.

* Use mkdir -p to avoid errors when the directory already exists.

* Remove use of sudo in import_rewind_config_changed.

Authored by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Andrew Stormont <andyjstormont@gmail.com>
Approved by: Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>
Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Tim Chase <tim@chase2k.com>

OpenZFS-issue: https://illumos.org/issues/9075
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/619c0123
Closes #7459
2018-05-08 21:35:27 -07:00
Paul Dagnelie ca0845d59e OpenZFS 9256 - zfs send space estimation off by > 10% on some datasets
Authored by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Richard Lowe <richlowe@richlowe.net>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

Porting Notes:
* Added tuning to man page.
* Test case changes dropped, default behavior unchanged.

OpenZFS-issue: https://www.illumos.org/issues/9256
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/32356b3c56
Closes #7470
2018-05-08 08:59:24 -07:00
LOLi 4ceb8dd6fd Fix 'zpool create -t <tempname>'
Creating a pool with a temporary name fails when we also specify custom
dataset properties: this is because we mistakenly call
zfs_set_prop_nvlist() on the "real" pool name which, as expected,
cannot be found because the SPA is present in the namespace with the
temporary name.

Fix this by specifying the correct pool name when setting the dataset
properties.

Reviewed-by: Prakash Surya <prakash.surya@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7502 
Closes #7509
2018-05-07 21:11:58 -07:00
Brian Behlendorf c02c1becce
ZTS: Re-enable MMP tests
Commit 7fab6361 inadvertently disabled the MMP test cases by creating
and not removing an /etc/hostid file in the new zpool_split_props test
case.  When the file exists the ZTS skips the entire MMP test group
rather than modify what may be a system which is already configured.
Update the test case to remove the file.

Additionally, because the MMP tests were disabled a regression slipped
in as part of commit 9eb7b46ed0.  Fix it.

Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7514
2018-05-07 21:08:33 -07:00
bunder2015 a82a4a15be ZTS: remove dead cleanup code from snapshot tests
Caught during path cleanups, the files referenced do not appear to be
created or used anywhere.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7508
2018-05-06 21:02:10 -07:00
LOLi fb0da71fd9 ZTS: Fix zfs_diff_timestamp
When using mawk instead of gawk zfs_diff_timestamp fails consistently:
this is due to a subtle difference in how mawk handles substr().

From awk(1):
---
Finally, here is how mawk handles exceptional cases not discussed in
the AWK book or the Posix draft.  It is unsafe to assume consistency
across awks and safe to skip to the next section.
substr(s,  i,  n) returns the characters of s in the intersection of
the closed interval [1, length(s)] and the half-open interval [i, i+n).
When this intersection is empty, the empty string is returned; so
substr("ABC", 1, 0) = "" and substr("ABC", -4, 6) = "A".
---

To support running zfs_diff_timestamp with both gawk and mawk change
the second parameter passed to substr().

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7503 
Closes #7510
2018-05-06 20:42:29 -07:00
Tom Caputi be9a5c355c Add support for decryption faults in zinject
This patch adds the ability for zinject to trigger decryption
and authentication faults in the ZIO and ARC layers. This
functionality is exposed via the new "decrypt" error type, which
may be provided for "data" object types.

This patch also refactors some of the core encryption / decryption
functions so that they have consistent prototypes, handle errors
consistently, and do not have unused arguments.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7474
2018-05-02 15:36:20 -07:00
Tom Caputi 2c24b5b148 Fix issues found with zfs diff
Two deadlocks / ASSERT failures were introduced in a2c2ed1b which
would occur whenever arc_buf_fill() failed to decrypt a block of
data. This occurred because the call to arc_buf_destroy() which
was responsible for cleaning up the newly created buffer would
attempt to take out the hdr lock that it was already holding. This
was resolved by calling the underlying functions directly without
retaking the lock.

In addition, the dmu_diff() code did not properly ensure that keys
were loaded and mapped before begining dataset traversal. It turns
out that this code does not need to look at any encrypted values,
so the code was altered to perform raw IO only.

Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7354 
Closes #7456
2018-05-01 11:24:20 -07:00
loli10K 85ce3f4fd1 Adopt pyzfs from ClusterHQ
This commit introduces several changes:

 * Update LICENSE and project information

 * Give a good PEP8 talk to existing Python source code

 * Add RPM/DEB packaging for pyzfs

 * Fix some outstanding issues with the existing pyzfs code caused by
   changes in the ABI since the last time the code was updated

 * Integrate pyzfs Python unittest with the ZFS Test Suite

 * Add missing libzfs_core functions: lzc_change_key,
   lzc_channel_program, lzc_channel_program_nosync, lzc_load_key,
   lzc_receive_one, lzc_receive_resumable, lzc_receive_with_cmdprops,
   lzc_receive_with_header, lzc_reopen, lzc_send_resume, lzc_sync,
   lzc_unload_key, lzc_remap

Note: this commit slightly changes zfs_ioc_unload_key() ABI. This allow
to differentiate the case where we tried to unload a key on a
non-existing dataset (ENOENT) from the situation where a dataset has
no key loaded: this is consistent with the "change" case where trying
to zfs_ioc_change_key() from a dataset with no key results in EACCES.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7230
2018-05-01 10:33:35 -07:00
LOLi 3cbe89b12a Fix zfs incremental send remove '-o' properties
When receiving an incremental send stream with intermediary snapshots
zfs_receive_one() does not correctly identify the top-level dataset:
consequently we restore said snapshots as if they were children
datasets in the hierarchy, forcing inheritance of any property received
with 'zfs send -o' and effectively removing any locally set value.

The test case did not correctly verify this situation because it uses
adjacent snapshots, basically testing 'zfs send -i' instead of
'zfs send -I': this commit adds an additional intermediary snapshot to
the test script.

Reviewed-by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7478
2018-04-30 20:58:29 -07:00
Antonio Russo c83ccb3e72 Add test with two kinds of file creation orders
Data loss was identified in #7401 when many small files were copied.
This adds a reproducer for this bug and other similar ones: randomly
generate N files. Then, listing M of them by `ls -U` order, produce
those same files in a directory of the same name.

This triggers the bug consistently, provided N and M are large enough.
Here, N=2^16 and M=2^13.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Antonio Russo <antonio.e.russo@gmail.com>
Closes #7411
2018-04-30 12:45:47 -05:00
LOLi b4555c777a Fix 'zfs remap <poolname@snapname>'
Only filesystems and volumes are valid 'zfs remap' parameters: when
passed a snapshot name zfs_remap_indirects() does not handle the
EINVAL returned from libzfs_core, which results in failing an assertion
and consequently crashing.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7454
2018-04-19 09:45:17 -07:00
Chunwei Chen 599b864813 Fix ENOSPC in "Handle zap_add() failures in ..."
Commit cc63068 caused ENOSPC error when copy a large amount of files
between two directories. The reason is that the patch limits zap leaf
expansion to 2 retries, and return ENOSPC when failed.

The intent for limiting retries is to prevent pointlessly growing table
to max size when adding a block full of entries with same name in
different case in mixed mode. However, it turns out we cannot use any
limit on the retry. When we copy files from one directory in readdir
order, we are copying in hash order, one leaf block at a time. Which
means that if the leaf block in source directory has expanded 6 times,
and you copy those entries in that block, by the time you need to expand
the leaf in destination directory, you need to expand it 6 times in one
go. So any limit on the retry will result in error where it shouldn't.

Note that while we do use different salt for different directories, it
seems that the salt/hash function doesn't provide enough randomization
to the hash distance to prevent this from happening.

Since cc63068 has already been reverted. This patch adds it back and
removes the retry limit.

Also, as it turn out, failing on zap_add() has a serious side effect for
mzap_upgrade(). When upgrading from micro zap to fat zap, it will
call zap_add() to transfer entries one at a time. If it hit any error
halfway through, the remaining entries will be lost, causing those files
to become orphan. This patch add a VERIFY to catch it.

Reviewed-by: Sanjeev Bagewadi <sanjeev.bagewadi@gmail.com>
Reviewed-by: Richard Yao <ryao@gentoo.org>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Albert Lee <trisk@forkgnu.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Chunwei Chen <david.chen@nutanix.com>
Closes #7401 
Closes #7421
2018-04-18 14:19:50 -07:00
Tom Caputi b0ee5946aa Fix issues with raw sends of spill blocks
This patch fixes 2 issues in how spill blocks are processed during
raw sends. The first problem is that compressed spill blocks were
using the logical length rather than the physical length to
determine how much data to dump into the send stream. The second
issue is a typo that caused the spill record's object number to be
used where the objset's ID number was required. Both issues have
been corrected, and the payload_size is now printed in zstreamdump
for future debugging.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7378 
Closes #7432
2018-04-17 11:19:03 -07:00
Tom Caputi e14a32b1c8 Fix object reclaim when using large dnodes
Currently, when the receive_object() code wants to reclaim an
object, it always assumes that the dnode is the legacy 512 bytes,
even when the incoming bonus buffer exceeds this length. This
causes a buffer overflow if --enable-debug is not provided and
triggers an ASSERT if it is. This patch resolves this issue and
adds an ASSERT to ensure this can't happen again.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7097
Closes #7433
2018-04-17 11:13:57 -07:00
bunder2015 b40d45bc6c ZTS: fix reservation_013_pos integer overflow
When using large disks the integers for calculating sizes can
overflow past 2**31.  Changing to long integers with typeset
should correct this.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #4444 
Closes #7451
2018-04-17 10:52:53 -07:00
Matt Ahrens d830d4795a OpenZFS 9280 - Assertion failure while running removal_with_ganging test with 4K devices
Authored by: Matt Ahrens <Matt.Ahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Approved by: Garrett D'Amore <garrett@damore.org>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/9280
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/243952c
Closes #7445
2018-04-17 10:44:50 -07:00
bunder2015 3eba666332 ZTS: zpool_create_002 clean up leftover filedisk
zpool_create_002_pos did not clean up filedisk files left over from
running the test.

Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7435
Closes #7439
2018-04-15 15:17:44 -07:00
Toomas Soome 5e567da987 OpenZFS 9213 - zfs: sytem typo
Authored by: Toomas Soome <tsoome@me.com>
Reviewed by: C Fraire <cfraire@me.com>
Reviewed by: Andy Fiddaman <omnios@citrus-it.co.uk>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Approved by: Joshua M. Clulow <josh@sysmgr.org>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

Porting Notes:
* The additional instances of this typo addressed in the OpenZFS
  patch were already resolved.

OpenZFS-issue: https://illumos.org/issues/9213
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/edc8ef7d92
Closes #7436
2018-04-15 10:59:13 -07:00
Matthew Ahrens a1d477c24c OpenZFS 7614, 9064 - zfs device evacuation/removal
OpenZFS 7614 - zfs device evacuation/removal
OpenZFS 9064 - remove_mirror should wait for device removal to complete

This project allows top-level vdevs to be removed from the storage pool
with "zpool remove", reducing the total amount of storage in the pool.
This operation copies all allocated regions of the device to be removed
onto other devices, recording the mapping from old to new location.
After the removal is complete, read and free operations to the removed
(now "indirect") vdev must be remapped and performed at the new location
on disk.  The indirect mapping table is kept in memory whenever the pool
is loaded, so there is minimal performance overhead when doing operations
on the indirect vdev.

The size of the in-memory mapping table will be reduced when its entries
become "obsolete" because they are no longer used by any block pointers
in the pool.  An entry becomes obsolete when all the blocks that use
it are freed.  An entry can also become obsolete when all the snapshots
that reference it are deleted, and the block pointers that reference it
have been "remapped" in all filesystems/zvols (and clones).  Whenever an
indirect block is written, all the block pointers in it will be "remapped"
to their new (concrete) locations if possible.  This process can be
accelerated by using the "zfs remap" command to proactively rewrite all
indirect blocks that reference indirect (removed) vdevs.

Note that when a device is removed, we do not verify the checksum of
the data that is copied.  This makes the process much faster, but if it
were used on redundant vdevs (i.e. mirror or raidz vdevs), it would be
possible to copy the wrong data, when we have the correct data on e.g.
the other side of the mirror.

At the moment, only mirrors and simple top-level vdevs can be removed
and no removal is allowed if any of the top-level vdevs are raidz.

Porting Notes:

* Avoid zero-sized kmem_alloc() in vdev_compact_children().

    The device evacuation code adds a dependency that
    vdev_compact_children() be able to properly empty the vdev_child
    array by setting it to NULL and zeroing vdev_children.  Under Linux,
    kmem_alloc() and related functions return a sentinel pointer rather
    than NULL for zero-sized allocations.

* Remove comment regarding "mpt" driver where zfs_remove_max_segment
  is initialized to SPA_MAXBLOCKSIZE.

  Change zfs_condense_indirect_commit_entry_delay_ticks to
  zfs_condense_indirect_commit_entry_delay_ms for consistency with
  most other tunables in which delays are specified in ms.

* ZTS changes:

    Use set_tunable rather than mdb
    Use zpool sync as appropriate
    Use sync_pool instead of sync
    Kill jobs during test_removal_with_operation to allow unmount/export
    Don't add non-disk names such as "mirror" or "raidz" to $DISKS
    Use $TEST_BASE_DIR instead of /tmp
    Increase HZ from 100 to 1000 which is more common on Linux

    removal_multiple_indirection.ksh
        Reduce iterations in order to not time out on the code
        coverage builders.

    removal_resume_export:
        Functionally, the test case is correct but there exists a race
        where the kernel thread hasn't been fully started yet and is
        not visible.  Wait for up to 1 second for the removal thread
        to be started before giving up on it.  Also, increase the
        amount of data copied in order that the removal not finish
        before the export has a chance to fail.

* MMP compatibility, the concept of concrete versus non-concrete devices
  has slightly changed the semantics of vdev_writeable().  Update
  mmp_random_leaf_impl() accordingly.

* Updated dbuf_remap() to handle the org.zfsonlinux:large_dnode pool
  feature which is not supported by OpenZFS.

* Added support for new vdev removal tracepoints.

* Test cases removal_with_zdb and removal_condense_export have been
  intentionally disabled.  When run manually they pass as intended,
  but when running in the automated test environment they produce
  unreliable results on the latest Fedora release.

  They may work better once the upstream pool import refectoring is
  merged into ZoL at which point they will be re-enabled.

Authored by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Alex Reece <alex@delphix.com>
Reviewed-by: George Wilson <george.wilson@delphix.com>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Richard Laager <rlaager@wiktel.com>
Reviewed by: Tim Chase <tim@chase2k.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Garrett D'Amore <garrett@damore.org>
Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Tim Chase <tim@chase2k.com>

OpenZFS-issue: https://www.illumos.org/issues/7614
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/f539f1eb
Closes #6900
2018-04-14 12:16:17 -07:00
Tim Chase 4b0f5b2d7b Wait for resilver after online
This test performs a rapid offline/online cycle of each of several
mirror vdevs.  It can run so quickly that there isn't sufficient pool
redundancy to perform an offline.  The solution is to wait until the
pool is resilvered following the online operation.

Also, add a pool sync before the offline operation to help reduce
spurious errors.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tim Chase <tim@chase2k.com>
Issue #6900
2018-04-13 18:04:10 -07:00
Seth Forshee 93b43af10d Allow mounting datasets more than once
Currently mounting an already mounted zfs dataset results in an
error, whereas it is typically allowed with other filesystems.
This causes some bad interactions with mount namespaces. Take
this sequence for example:

- Create a dataset
- Create a snapshot of the dataset
- Create a clone of the snapshot
- Create a new mount namespace
- Rename the original dataset

The rename results in unmounting and remounting the clone in the
original mount namespace, however the remount fails because the
dataset is still mounted in the new mount namespace. (Note that
this means the mount in the new mount namespace is never being
unmounted, so perhaps the unmount/remount of the clone isn't
actually necessary.)

The problem here is a result of the way mounting is implemented
in the kernel module. Since it is not mounting block devices it
uses mount_nodev() instead of the usual mount_bdev(). However,
mount_nodev() is written for filesystems for which each mount is
a new instance (i.e. a new super block), and zfs should be able
to detect when a mount request can be satisfied using an existing
super block.

Change zpl_mount() to call sget() directly with it's own test
callback. Passing the objset_t object as the fs data allows
checking if a superblock already exists for the dataset, and in
that case we just need to return a new reference for the sb's
root dentry.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Alek Pinchuk <apinchuk@datto.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Closes #5796
Closes #7207
2018-04-13 10:44:05 -07:00
bunder2015 1e37dee03f ZTS: clean up leftover ibackup_trunc files
zfs_receive_raw_incremental did not clean up ibackup_trunc.* files
left over from running the test.

Also changing the path of the ibackup files so they can be placed
in the correct directories when /var/tmp is not the temporary
directory.

Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7430
2018-04-13 10:35:55 -07:00
LOLi 7fab636188 Add 'zpool split' coverage to the ZFS Test Suite
This change adds five new tests to the ZTS:

 * zpool_split_cliargs: verify command line options and arguments
 * zpool_split_devices: verify zpool split accepts a device list
 * zpool_split_encryption: verify zpool can split encrypted pools
 * zpool_split_props: verify zpool split can set property values
 * zpool_split_vdevs: verify vdev layout when splitting the pool

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7409
2018-04-12 10:57:24 -07:00
Tomohiro Kusumi 8111eb4abc Fix calloc(3) arguments order
calloc(3) takes `nelem` (or `nmemb` in glibc) first, and then size of
elements.  No difference expected for having these in reverse order,
however should follow the standard.

http://pubs.opengroup.org/onlinepubs/009695399/functions/calloc.html

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@osnexus.com>
Closes #7405
2018-04-12 10:50:39 -07:00
Mike Gerdts d22f3a8244 OpenZFS 9286 - want refreservation=auto
Authored by: Mike Gerdts <mike.gerdts@joyent.com>
Reviewed by: Allan Jude <allanjude@freebsd.org>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Andy Stormont <astormont@racktopsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Approved by: Richard Lowe <richlowe@richlowe.net>
Ported-by: Don Brady <don.brady@delphix.com>

Porting Notes:
* Adopted destroy_dataset in ZTS test cleanup
* Use ksh shebang instead of bash for new tests

OpenZFS-issue: https://www.illumos.org/issues/9286
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/723d0c85
Closes #7387
2018-04-11 14:52:13 -07:00
LOLi 9966754ac5 Fix zpool set feature@<feature>=disabled
Commit e4010f2 accidentally allows zpool to set pool features to
"disabled"; this should only be allowed at pool creation. This commit
adds additional checks and test coverage to 'zpool set'.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7402
2018-04-11 14:45:58 -07:00
Tony Hutter 4f301661df Revert "Handle zap_add() failures in mixed ... "
This reverts commit cc63068e95.

Under certain circumstances this change can result in an ENOSPC
error when adding new files to a directory.  See #7401 for full
details.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Issue #7401 
Cloes #7416
2018-04-09 14:24:46 -07:00
Giuseppe Di Natale 7b47628acb Clean up (k)shlib and cfg file shebangs
Most kshlib files are imported by other scripts
and do not have a shebang at the top of their files.
Make all kshlib follow this convention.

Remove shebangs from cfg files as well.

Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Close #7406
2018-04-08 19:37:22 -07:00
Tony Hutter 6c9af9e8f4 Fix "file is executable, but no shebang" warnings
Fedora 28's RPM build checks warn when executable files don't have a
shebang line.  These warnings are caused when we (incorrectly)
include data & config files in the_SCRIPTS automake lines. Files in
_SCRIPTS are marked executable by automake. This patch fixes the
issue by including non-executable scripts in a _DATA line instead.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #7359 
Closes #7395
2018-04-06 16:34:21 -07:00
Tom Caputi 1bf9a552bb Make encrypted "zfs mount -a" failures consistent
Currently, "zfs mount -a" will print a warning and fail to mount
any encrypted datasets that do not have a key loaded. This patch
makes the behavior of this failure consistent with other failure
modes ("zfs mount -a" will silently continue, explict "zfs mount"
will print a message and return an error code.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7382
2018-04-06 13:28:15 -07:00
Olaf Faaland 533ea0415b Update mmp_delay on sync or skipped, failed write
When an MMP write is skipped, or fails, and time since
mts->mmp_last_write is already greater than mts->mmp_delay, increase
mts->mmp_delay.  The original code only updated mts->mmp_delay when a
write succeeded, but this results in the write(s) after delays and
failed write(s) reporting an ub_mmp_delay which is too low.

Update mmp_last_write and mmp_delay if a txg sync was successful.  At
least one uberblock was written, thus extending the time we can be sure
the pool will not be imported by another host.

Do not allow mmp_delay to go below (MSEC2NSEC(zfs_multihost_interval) /
vdev_count_leaves()) so that a period of frequent successful MMP writes,
e.g. due to frequent txg syncs, does not result in an import activity
check so short it is not reliable based on mmp thread writes alone.

Remove unnecessary local variable, start.  We do not use the start time
of the loop iteration.

Add a debug message in spa_activity_check() to allow verification of the
import_delay value and to prove the activity check occurred.

Alter the tests that import pools and attempt to detect an activity
check.  Calculate the expected duration of spa_activity_check() based on
module parameters at the time the import is performed, rather than a
fixed time set in mmp.cfg.  The fixed time may be wrong.  Also, use the
default zfs_multihost_interval value so the activity check is longer and
easier to recognize.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #7330
2018-04-04 16:38:44 -07:00
Tony Hutter 21a4f5cc86 Fedora 28: Fix misc bounds check compiler warnings
Fix a bunch of (mostly) sprintf/snprintf truncation compiler
warnings that show up on Fedora 28 (GCC 8.0.1).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #7361 
Closes #7368
2018-04-04 10:16:47 -07:00
LOLi f119d00c1f Fix add_nested_replacing_spare test case
Use 'zpool reopen' instead of 'zpool scrub' to kick in the spare device:
this is required to avoid spurious failures caused by a race condition
in events processing by the ZFS Event Daemon:

P1 (zpool scrub)                            P2 (zed)
---
zfs_ioc_pool_scan()
 -> dsl_scan()
  -> vdev_reopen()
   -> vdev_set_state(VDEV_STATE_CANT_OPEN)
                                            zfs_ioc_vdev_attach()
                                             -> spa_vdev_attach()
                                              -> dsl_resilver_restart()
  -> dsl_sync_task()
   -> dsl_scan_setup_check()
   <- dsl_scan_setup_check(): EBUSY

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7247 
Closes #7342
2018-04-03 17:30:14 -07:00
Andriy Gapon 5e00213e43 OpenZFS 9164 - assert: newds == os->os_dsl_dataset
Authored by: Andriy Gapon <avg@FreeBSD.org>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Don Brady <don.brady@delphix.com>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Richard Lowe <richlowe@richlowe.net>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

Porting Notes:
* Re-enabled and tweaked the zpool_upgrade_007_pos test case
  to successfully run in under 5 minutes.

OpenZFS-issue: https://www.illumos.org/issues/9164
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/0e776dc06a
Closes #6112
Closes #7336
2018-03-30 12:00:40 -07:00
Brian Behlendorf b2ab468dde
Fix mmap / libaio deadlock
Calling uiomove() in mappedread() under the page lock can result
in a deadlock if the user space page needs to be faulted in.

Resolve the issue by dropping the page lock before the uiomove().
The inode range lock protects against concurrent updates via
zfs_read() and zfs_write().

Reviewed-by: Albert Lee <trisk@forkgnu.org>
Reviewed-by: Chunwei Chen <david.chen@nutanix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7335 
Closes #7339
2018-03-28 10:19:22 -07:00
DeHackEd 668173b576 Remove libattr requirement
RHEL/CentOS 6 supports sys/xattr.h eliminating the need for
libattr-devel as a dependency.

Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: DHE <git@dehacked.net>
Closes #7344 
Closes #7351
2018-03-27 16:51:32 -07:00
Alek P 272b5d730f Add JSON output support to channel programs
The changes piggyback JSON output support on top of channel programs 
(#6558).  This way the JSON output support is targeted to scripting 
use cases and is easily maintainable since it really only touches 
one function (zfs_do_channel_program()).

This patch ports Joyent's JSON nvlist library from illumos to enable 
easy JSON printing of channel program output nvlist.  To keep the 
delta small I also took advantage of the fact that printing in
zfs_do_channel_program() was almost always done before exiting 
the program.

Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Alek Pinchuk <apinchuk@datto.com>
Closes #7281
2018-03-19 12:40:58 -07:00
Stephen Blinick 8a2a9db8df OpenZFS 9076 - Adjust perf test concurrency settings
ZFS Performance test concurrency should be lowered for better latency

Work by Stephen Blinick.

Nightly performance runs typically consist of two levels of concurrency;
and both are fairly high.

Since the IO runs are to a ZFS filesystem, within a zpool, which is
based on some variable number of vdev's, the amount of IO driven to each
device is variable. Additionally, different device types (HDD vs SSD,
etc) can generally handle a different amount of concurrent IO before
saturating.

Nevertheless, in practice, it appears that most tests are well past the
concurrency saturation point and therefore both perform with the same
throughput, the maximum of the device. Because the queuedepth to the
device(s) is so high however, the latency is much higher than the best
possible at that throughput, and increases linearly with the increase in
concurrency.

This means that changes in code that impact latency during normal
operation (before saturation) may not be apparent when a large component
of the measured latency is from the IO sitting in a queue to be
serviced. Therefore, changing the concurrency settings is recommended

Authored by: Stephen Blinick <stephen.blinick@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: John Wren Kennedy <jwk404@gmail.com>
Ported-by: John Wren Kennedy <jwk404@gmail.com>

OpenZFS-issue: https://www.illumos.org/issues/9076
OpenZFS-commit: https://github.com/openzfs/openzfs/pull/562
Upstream bug: DLPX-45477
Closes #7302
2018-03-15 10:51:00 -07:00
Paul Zuchowski 8e5d14844d zdb and inuse tests don't pass with real disks
Due to zpool create auto-partioning in Linux (i.e. sdb1),
certain utilities need to use the parition (sdb1) while
others use the whole disk name (sdb).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #6939 
Closes #7261
2018-03-07 17:03:33 -08:00
Wolfgang Bumiller 0e85048f53 Take user namespaces into account in policy checks
Change file related checks to use user namespaces and make
sure involved uids/gids are mappable in the current
namespace.

Note that checks without file ownership information will
still not take user namespaces into account, as some of
these should be handled via 'zfs allow' (otherwise root in a
user namespace could issue commands such as `zpool export`).

This also adds an initial user namespace regression test
for the setgid bit loss, with a user_ns_exec helper usable
in further tests.

Additionally, configure checks for the required user
namespace related features are added for:
  * ns_capable
  * kuid/kgid_has_mapping()
  * user_ns in cred_t

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Closes #6800 
Closes #7270
2018-03-07 15:40:42 -08:00