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LOLi 390d679acd Fix 'zpool add' handling of nested interior VDEVs 
When replacing a faulted device which was previously handled by a spare
multiple levels of nested interior VDEVs will be present in the pool
configuration; the following example illustrates one of the possible
situations:

   NAME                          STATE     READ WRITE CKSUM
   testpool                      DEGRADED     0     0     0
     raidz1-0                    DEGRADED     0     0     0
       spare-0                   DEGRADED     0     0     0
         replacing-0             DEGRADED     0     0     0
           /var/tmp/fault-dev    UNAVAIL      0     0     0  cannot open
           /var/tmp/replace-dev  ONLINE       0     0     0
         /var/tmp/spare-dev1     ONLINE       0     0     0
       /var/tmp/safe-dev         ONLINE       0     0     0
   spares
     /var/tmp/spare-dev1         INUSE     currently in use

This is safe and allowed, but get_replication() needs to handle this
situation gracefully to let zpool add new devices to the pool.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #6678 
Closes #6996
2017-12-28 10:15:32 -08:00
.github Update for cppcheck v1.80 2017-11-18 14:08:00 -08:00
cmd Fix 'zpool add' handling of nested interior VDEVs 2017-12-28 10:15:32 -08:00
config Fix --with-systemd on Debian-based distributions (#6963) 2017-12-17 14:08:48 -08:00
contrib Honor --with-mounthelperdir where applicable 2017-12-17 14:14:07 -08:00
etc Cleanup systemd dependencies 2017-11-08 09:39:15 -08:00
include OpenZFS 8909 - 8585 can cause a use-after-free kernel panic 2017-12-28 10:18:04 -08:00
lib Remove lib/libspl/include/sys/frame.h 2017-12-17 14:02:29 -08:00
man OpenZFS 8909 - 8585 can cause a use-after-free kernel panic 2017-12-28 10:18:04 -08:00
module OpenZFS 8909 - 8585 can cause a use-after-free kernel panic 2017-12-28 10:18:04 -08:00
rpm Fix --with-systemd on Debian-based distributions (#6963) 2017-12-17 14:08:48 -08:00
scripts OpenZFS 8794 - cstyle generates warnings with recent perl 2017-12-19 12:54:08 -08:00
tests Fix 'zpool add' handling of nested interior VDEVs 2017-12-28 10:15:32 -08:00
udev Fix spelling 2017-01-03 11:31:18 -06:00
.gitignore Add configure option to enable gcov analysis 2017-09-15 10:24:13 -07:00
.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 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 contrib/initramfs: switch to automake 2017-11-07 14:53:57 -08:00
copy-builtin Allow c99 when building ZFS in the kernel tree 2017-03-27 12:31:15 -07:00
COPYRIGHT Encryption patch follow-up 2017-10-11 16:54:48 -04:00
DISCLAIMER Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
Makefile.am Update for cppcheck v1.80 2017-11-18 14:08:00 -08:00
META Tag zfs-0.7.0 2017-07-26 10:13:25 -07:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Add scan.coverity.com badge to README 2017-10-30 16:21:24 -07:00
TEST Refresh TEST file to include new variables 2017-11-08 11:09:30 -08:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.markdown

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.