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Brian Behlendorf ce5fb2a7c6
ztest: scrub verification 
By design ztest will never inject non-repairable damage in to the
pool.  Update the ztest_scrub() test case such that it waits for
the scrub to complete and verifies the pool is always repairable.

After enabling scrub verification two scenarios were encountered
which are the result of how ztest manages failure injection.

The first case is straight forward and pertains to detaching a
mirror vdev.  In this case, the pool must always be scrubbed prior
the detach.  Failure to do so can potentially lock in previously
repairable data corruption by removing all good copies of a block
leaving only damaged ones.

The second is a little more subtle.  The child/offset selection
logic in ztest_fault_inject() depends on the calculated number of
leaves always remaining constant between injection passes.  This
is true within a single execution of ztest, but when using zloop.sh
random values are selected for each restart.  Therefore, when ztest
imports an existing pool it must be scrubbed before failure injection
can be safely enabled.  Otherwise it is possible that it will inject
non-repairable damage.

Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8269
2019-01-18 09:47:55 -08:00
.github Bump commit subject length to 72 characters 2019-01-08 09:23:05 -08:00
cmd ztest: scrub verification 2019-01-18 09:47:55 -08:00
config pyzfs: python3 support (build system) 2019-01-06 10:39:41 -08:00
contrib Add contrib/pyzfs/setup.py to .gitignore 2019-01-13 10:04:38 -08:00
etc Add enclosure_symlinks option to vdev_id 2018-12-14 17:27:49 -08:00
include Fix error handling incallers of dbuf_hold_level() 2019-01-17 15:47:08 -08:00
lib Include third party licenses in dist tarballs 2019-01-08 09:29:34 -08:00
man ztest: split block reconstruction 2019-01-16 14:10:02 -08:00
module Fix error handling incallers of dbuf_hold_level() 2019-01-17 15:47:08 -08:00
rpm Add pyzfs BuildRequires for mock(1) 2019-01-13 10:02:33 -08:00
scripts Bump commit subject length to 72 characters 2019-01-08 09:23:05 -08:00
tests Update vdev_is_spacemap_addressable() for new spacemap encoding 2019-01-16 15:06:20 -08:00
udev Add enclosure_symlinks option to vdev_id 2018-12-14 17:27:49 -08:00
.gitignore Verify .gitignore entries 2019-01-15 11:56:29 -08:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
.travis.yml Add .travis.yml 2017-11-13 09:18:18 -08:00
AUTHORS Update build system and packaging 2018-05-29 16:00:33 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
configure.ac Use ZFS version for pyzfs & drop unused reqs file 2019-01-08 15:56:42 -08:00
copy-builtin Allow copy-builtin to work with modified sources 2018-10-17 12:06:05 -07:00
COPYRIGHT Update build system and packaging 2018-05-29 16:00:33 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am Verify .gitignore entries 2019-01-15 11:56:29 -08:00
META Tag 0.8.0-rc3 2019-01-14 12:40:42 -08:00
NEWS Add NEWS file 2018-09-18 12:03:47 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md Explicitly state supported Linux versions 2018-05-30 20:11:19 -07:00
TEST Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

img

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.

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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 META file contains the officially recognized supported kernel versions.