066da71e7f
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 |
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README.md
ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.
Official Resources
Installation
Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.
Contribute & Develop
We have a separate document with contribution guidelines.
Release
ZFS on Linux is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels
- The
METAfile contains the officially recognized supported kernel versions.