====== ZFS. Мониторинг состояния. ====== [[http://forums.freenas.org/showthread.php?2520-ZFS-Mirror-Disk-Degraded-How-to-Rebuilding]] [[http://www.sysadmin-cookbook.net/zfs/]] [[http://jsosic.wordpress.com/2013/01/01/expanding-zfs-zpool-raid/]] # zpool status pool: zroot state: DEGRADED status: One or more devices could not be opened. Sufficient replicas exist for the pool to continue functioning in a degraded state. action: Attach the missing device and online it using 'zpool online'. see: http://illumos.org/msg/ZFS-8000-2Q scan: none requested config: NAME STATE READ WRITE CKSUM zroot DEGRADED 0 0 0 mirror-0 DEGRADED 0 0 0 9461134400946846493 UNAVAIL 0 0 0 was /dev/gpt/disk11 gpt/disk01 ONLINE 0 0 0 errors: No known data errors После ребута zpool status pool: zroot state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. see: http://illumos.org/msg/ZFS-8000-9P scan: resilvered 1011M in 0h0m with 0 errors on Sun May 12 00:34:24 2013 config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gpt/disk11 ONLINE 0 0 7 gpt/disk01 ONLINE 0 0 0 errors: No known data errors zpool scrub zroot root@vw2:/usr/home/olexande # zpool status -x pool: zroot state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. see: http://illumos.org/msg/ZFS-8000-9P scan: scrub in progress since Sun May 12 00:35:06 2013 555M scanned out of 55.6G at 37.0M/s, 0h25m to go 0 repaired, 0.97% done config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gpt/disk11 ONLINE 0 0 7 gpt/disk01 ONLINE 0 0 0 errors: No known data errors Загруженность zpool iostat capacity operations bandwidth pool alloc free read write read write ---------- ----- ----- ----- ----- ----- ----- zroot 55.6G 172G 1.20K 49 19.4M 116K Позже zpool status -x pool: zroot state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. see: http://illumos.org/msg/ZFS-8000-9P scan: scrub in progress since Sun May 12 00:35:06 2013 6.53G scanned out of 55.6G at 42.9M/s, 0h19m to go 0 repaired, 11.74% done config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gpt/disk11 ONLINE 0 0 7 gpt/disk01 ONLINE 0 0 0 errors: No known data errors zpool status -x pool: zroot state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. see: http://illumos.org/msg/ZFS-8000-9P scan: scrub in progress since Sun May 12 00:35:06 2013 37.6G scanned out of 55.6G at 64.2M/s, 0h4m to go 0 repaired, 67.63% done config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gpt/disk11 ONLINE 0 0 7 gpt/disk01 ONLINE 0 0 0 errors: No known data errors zpool status -x pool: zroot state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. see: http://illumos.org/msg/ZFS-8000-9P scan: scrub repaired 0 in 0h15m with 0 errors on Sun May 12 00:50:21 2013 config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gpt/disk11 ONLINE 0 0 7 gpt/disk01 ONLINE 0 0 0 errors: No known data errors zpool status -x pool: zroot state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. see: http://illumos.org/msg/ZFS-8000-9P scan: scrub repaired 0 in 0h15m with 0 errors on Sun May 12 00:50:21 2013 config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gpt/disk11 ONLINE 0 0 7 gpt/disk01 ONLINE 0 0 0 errors: No known data errors root@vw2:/usr/home/olexande # zpool clear zroot root@vw2:/usr/home/olexande # zpool status -x all pools are healthy root@vw2:/usr/home/olexande # zpool clear missing pool name usage: clear [-nF] [device] root@vw2:/usr/home/olexande # zpool status -x all pools are healthy root@vw2:/usr/home/olexande # zpool status pool: zroot state: ONLINE scan: scrub repaired 0 in 0h15m with 0 errors on Sun May 12 00:50:21 2013 config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gpt/disk11 ONLINE 0 0 0 gpt/disk01 ONLINE 0 0 0 errors: No known data errors