ZFS Command History Enhancements (zpool history)

Solaris 10 10/08 Release: The zpool history command has been enhanced to provide the following new features:

• ZFS file system event information is now displayed. For example:

  # zpool history History for 'rpool': 2010-06-23.09:30:12 zpool create -f -o failmode=continue -R /a -m legacy -o cachefile=/tmp/root/etc/zfs/zpool.cache rpool c1t0d0s0 2010-06-23.09:30:13 zfs set canmount=noauto rpool 2010-06-23.09:30:13 zfs set mountpoint=/rpool rpool 2010-06-23.09:30:13 zfs create -o mountpoint=legacy rpool/ROOT 2010-06-23.09:30:14 zfs create -b 8192 -V 2048m rpool/swap 2010-06-23.09:30:14 zfs create -b 131072 -V 1024m rpool/dump 2010-06-23.09:30:15 zfs create -o canmount=noauto rpool/ROOT/zfsBE 2010-06-23.09:30:16 zpool set bootfs=rpool/ROOT/zfsBE rpool 2010-06-23.09:30:16 zfs set mountpoint=/ rpool/ROOT/zfsBE 2010-06-23.09:30:16 zfs set canmount=on rpool 2010-06-23.09:30:16 zfs create -o mountpoint=/export rpool/export 2010-06-23.09:30:17 zfs create rpool/export/home

• The -l option can be used to display a long format that includes the user name, the host name, and the zone in which the operation was performed. For example:

  # zpool history -l rpool History for 'tank': 2010-06-24.13:07:58 zpool create tank mirror c2t2d0 c2t5d0 [user root on neo:global] 2010-06-24.13:08:23 zpool scrub tank [user root on neo:global] 2010-06-24.13:38:42 zpool clear tank [user root on neo:global] 2010-06-29.11:44:18 zfs create tank/home [user root on neo:global] 2010-06-29.13:28:51 zpool clear tank c2t5d0 [user root on neo:global] 2010-06-30.14:07:40 zpool add tank spare c2t1d0 [user root on neo:global

• The -i option can be used to display internal event information for diagnostic purposes. For example:

  # zpool history -i tank History for 'tank': 2010-06-24.13:07:58 zpool create tank mirror c2t2d0 c2t5d0 2010-06-24.13:08:23 [internal pool scrub txg:6] func=1 mintxg=0 maxtxg=6 2010-06-24.13:08:23 [internal pool create txg:6] pool spa 22; zfs spa 22; zpl 4; uts neo 5.10 Generic_142909-13 sun4u 2010-06-24.13:08:23 [internal pool scrub done txg:6] complete=1 2010-06-24.13:08:23 zpool scrub tank 2010-06-24.13:38:42 zpool clear tank 2010-06-24.13:38:42 [internal pool scrub txg:69] func=1 mintxg=3 maxtxg=8 2010-06-24.13:38:42 [internal pool scrub done txg:69] complete=1 2010-06-29.11:44:18 [internal create txg:14241] dataset = 34 2010-06-29.11:44:18 zfs create tank/home 2010-06-29.13:28:51 zpool clear tank c2t5d0 2010-06-30.14:07:40 zpool add tank spare c2t1d0

For more information about using the zpool history command, see Resolving Problems With ZFS.