HDDが故障もしくは故障しそうな時に出力されるログ
HDDが故障もしくは故障しそうな時に出力されるsyslogの内容や現象を、ピックアップしてみます。ログは「GNOMEシステムログ」で参照すると良いです。
以下のようなログ（キーワードは赤字の箇所）がsyslogに出力されたら要注意です。
ata7.00: exception Emask 0x0 SAct 0x3 SErr 0x0 action 0x0
ata7.00: irq_stat 0x40000008
ata7.00: failed command: READ FPDMA QUEUED
ata7.00: cmd 60/00:08:c0:e0:dd/01:00:48:00:00/40 tag 1 ncq 131072 in
res 41/40:00:58:e1:dd/00:00:48:00:00/40 Emask 0x409 (media error) <F>
ata7.00: status: { DRDY ERR }
ata7.00: error: { UNC }
ata7.00: configured for UDMA/133
sd 6:0:0:0: [sdg] Unhandled sense code
sd 6:0:0:0: [sdg]
Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 6:0:0:0: [sdg]
Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
48 dd e1 58
sd 6:0:0:0: [sdg]
Add. Sense: Unrecovered read error - auto reallocate failed
sd 6:0:0:0: [sdg] CDB:
Read(10): 28 00 48 dd e0 c0 00 01 00 00
end_request: I/O error, dev sdg, sector 1222500696
ata7: EH complete
ata7.00: irq_stat 0x40000008
ata7.00: failed command: READ FPDMA QUEUED
ata7.00: cmd 60/00:08:c0:e0:dd/01:00:48:00:00/40 tag 1 ncq 131072 in
res 41/40:00:58:e1:dd/00:00:48:00:00/40 Emask 0x409 (media error) <F>
ata7.00: status: { DRDY ERR }
ata7.00: error: { UNC }
ata7.00: configured for UDMA/133
sd 6:0:0:0: [sdg] Unhandled sense code
sd 6:0:0:0: [sdg]
Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 6:0:0:0: [sdg]
Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
48 dd e1 58
sd 6:0:0:0: [sdg]
Add. Sense: Unrecovered read error - auto reallocate failed
sd 6:0:0:0: [sdg] CDB:
Read(10): 28 00 48 dd e0 c0 00 01 00 00
end_request: I/O error, dev sdg, sector 1222500696
ata7: EH complete
