Having moved to ZFS after my little RAID/XFS problem last year, with weekly scrubs of the array, I’ve just had my first read error and repair. From the system log;
[1691578.161114] ata7.00: exception Emask 0x0 SAct 0x3 SErr 0x0 action 0x0
[1691578.161121] ata7.00: irq_stat 0x40000008
[1691578.161128] ata7.00: failed command: READ FPDMA QUEUED
[1691578.161138] ata7.00: cmd 60/b0:00:d8:c8:1b/00:00:66:00:00/40 tag 0 ncq 90112 in
[1691578.161140] res 41/40:b0:e0:c8:1b/00:00:66:00:00/00 Emask 0x409 (media error) <F>
[1691578.161146] ata7.00: status: { DRDY ERR }
[1691578.161150] ata7.00: error: { UNC }
[1691578.162924] ata7.00: configured for UDMA/133
[1691578.162945] sd 6:0:0:0: [sdf] Unhandled sense code
[1691578.162949] sd 6:0:0:0: [sdf] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[1691578.162955] sd 6:0:0:0: [sdf] Sense Key : Medium Error [current] [descriptor]
[1691578.162963] Descriptor sense data with sense descriptors (in hex):
[1691578.162967] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
[1691578.162982] 66 1b c8 e0
[1691578.162989] sd 6:0:0:0: [sdf] Add. Sense: Unrecovered read error - auto reallocate failed
[1691578.162998] sd 6:0:0:0: [sdf] CDB: Read(10): 28 00 66 1b c8 d8 00 00 b0 00
[1691578.163013] end_request: I/O error, dev sdf, sector 1713096928
[1691578.163040] ata7: EH complete
And looking at ZFS;
sudo zpool status [sudo] password for : pool: storage state: ONLINE scan: scrub repaired 88K in 11h7m with 0 errors on Sun May 1 12:37:48 2016 config: NAME STATE READ WRITE CKSUM storage ONLINE 0 0 0 raidz1-0 ONLINE 0 0 0 sdf ONLINE 0 0 0 sdc ONLINE 0 0 0 sdh ONLINE 0 0 0 sdj ONLINE 0 0 0 raidz1-1 ONLINE 0 0 0 sdb ONLINE 0 0 0 sdd ONLINE 0 0 0 sdi ONLINE 0 0 0 sdk ONLINE 0 0 0 errors: No known data errors
Kind of wondering how much life that drive has left – should I replace now??
