OpenZFS on Linux and FreeBSD
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Tony Hutter 7bbfac9d04 zed: Fix config_sync autoexpand flood
Users were seeing floods of `config_sync` events when autoexpand was
enabled.  This happened because all "disk status change" udev events
invoke the autoexpand codepath, which calls zpool_relabel_disk(),
which in turn cause another "disk status change" event to happen,
in a feedback loop.  Note that "disk status change" happens every time
a user calls close() on a block device.

This commit breaks the feedback loop by only allowing an autoexpand
to happen if the disk actually changed size.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes: #7132
Closes: #7366
Closes #13729
2022-09-14 09:57:44 -07:00
.github libzfs: add keylocation=https://, backed by fetch(3) or libcurl 2022-02-16 17:58:37 -08:00
cmd zed: Fix config_sync autoexpand flood 2022-09-14 09:57:44 -07:00
config Add xattr_handler support for Android kernels 2022-09-14 09:57:37 -07:00
contrib contrib: dracut: zfs-snapshot-bootfs: exit status fix 2022-08-12 14:31:51 -07:00
etc automake: don't install /e/d/zfs or /e/z/zfs-functions +x 2022-05-25 14:57:09 -07:00
include zed: Fix config_sync autoexpand flood 2022-09-14 09:57:44 -07:00
lib Importing from cachefile can trip assertion 2022-09-13 17:59:04 -07:00
man Fix problem with zdb -d 2022-08-08 16:56:38 -07:00
module Apply arc_shrink_shift to ARC above arc_c_min 2022-09-13 17:59:10 -07:00
rpm rpm: Silence "unversioned Obsoletes" warnings on EL 9 2022-09-13 17:50:59 -07:00
scripts Remove REMAKE_INITRD 2022-05-06 11:32:45 -07:00
tests ZTS: Fix zpool_expand_001_pos 2022-09-13 17:58:03 -07:00
udev Udev rules: use match (==) rather than assign (=) for PROGRAM 2021-09-14 12:23:10 -07:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore Add FreeBSD support to OpenZFS 2020-04-14 11:36:28 -07:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-14 13:23:08 -07:00
AUTHORS Add zstd support to zfs 2020-08-20 10:30:06 -07:00
CODE_OF_CONDUCT.md Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
COPYRIGHT Fix typos 2020-06-09 21:24:09 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
META Linux 5.19 compat: META 2022-08-09 09:41:06 -07:00
Makefile.am module: zstd: check we don't leak symbols; regenerate symbol map 2022-05-16 15:48:21 -07:00
NEWS Fix NEWS file 2020-08-26 21:44:41 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md README: Update OpenZFS website url 2022-02-16 17:58:55 -08:00
RELEASES.md Add RELEASES.md file 2021-04-07 13:26:58 -07:00
TEST Remove CI builder customization from TEST 2020-03-16 10:46:03 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
configure.ac Linux 5.16 compat: don't use XSTATE_XSAVE to save FPU state 2022-02-16 17:58:55 -08:00
copy-builtin copy-builtin: posix conformance 2021-05-10 12:18:54 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

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OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.

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Official Resources

Installation

Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.

Contribute & Develop

We have a separate document with contribution guidelines.

We have a Code of Conduct.

Release

OpenZFS is released under a CDDL license. For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197

Supported Kernels

  • The META file contains the officially recognized supported Linux kernel versions.
  • Supported FreeBSD versions are any supported branches and releases starting from 12.2-RELEASE.