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Steven Hartland 2e215fecbe OpenZFS 7885 - zpool list can report 16.0e for expandsz 
Authored by: Steven Hartland <steven.hartland@multiplay.co.uk>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Gordon Ross <gordon.w.ross@gmail.com>

When a member of a RAIDZ has been replaced with a device smaller than
the original, then the top level vdev can report its expand size as
16.0E.
The reduced child asize causes the RAIDZ to have a vdev_asize lower than
its vdev_max_asize which then results in an underflow during the
calculation of the parents expand size.
Fix this by updating the vdev_asize if it shrinks, which is already
protected by a check against vdev_min_asize so should always be safe.
Also for RAIDZ vdevs, ensure that the sum of their child vdev_min_asize
is always greater than the parents vdev_min_size.

Reviewed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: George Melikov <mail@gmelikov.ru>

OpenZFS-issue: https://www.illumos.org/issues/7885
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/bb0dbaa
Closes #5963
2017-04-05 09:33:20 -07:00
.github Commit message format in contributing guidelines 2017-03-31 09:33:38 -07:00
cmd Additional Information for Zedlets 2017-04-03 14:23:02 -07:00
config glibc 2.5 compat: use correct header for makedev() et al. 2017-03-31 09:32:00 -07:00
contrib Fix initramfs hook for merged /usr/lib and /lib 2017-02-27 12:03:23 -08:00
etc OpenZFS 7793 - ztest fails assertion in dmu_tx_willuse_space 2017-03-07 09:51:59 -08:00
include Additional Information for Zedlets 2017-04-03 14:23:02 -07:00
lib glibc 2.5 compat: use correct header for makedev() et al. 2017-03-31 09:32:00 -07:00
man list -o props should be alloc,free not used,avail 2017-04-04 11:03:33 -07:00
module OpenZFS 7885 - zpool list can report 16.0e for expandsz 2017-04-05 09:33:20 -07:00
rpm Fix powerpc build 2017-03-06 09:17:24 -08:00
scripts Prevent commitcheck.sh from running twice 2017-04-03 14:20:01 -07:00
tests list -o props should be alloc,free not used,avail 2017-04-04 11:03:33 -07:00
udev Fix spelling 2017-01-03 11:31:18 -06:00
.gitignore Update .gitignore 2016-10-19 14:29:33 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
AUTHORS Add a missing > to AUTHORS 2014-09-02 14:18:53 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
configure.ac OpenZFS 7793 - ztest fails assertion in dmu_tx_willuse_space 2017-03-07 09:51:59 -08:00
copy-builtin Allow c99 when building ZFS in the kernel tree 2017-03-27 12:31:15 -07:00
COPYRIGHT Update ZED copyright boilerplate 2015-05-11 15:07:00 -07:00
DISCLAIMER Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
Makefile.am Prevent commitcheck.sh from running twice 2017-04-03 14:20:01 -07:00
META Tag 0.7.0-rc3 2017-01-20 10:18:28 -08:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Add CONTRIBUTING information and templates 2016-12-09 12:48:12 -07:00
TEST Move ziltest.sh to the ZTS framework 2017-02-08 17:28:22 -08:00
zfs-script-config.sh.in Add auto-online test for ZED/FMA as part of the ZTS 2017-02-28 16:25:39 -08:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.markdown

ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.

ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers. And it's native!

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.