Oct 25 07:54:02 nas kernel: [ 1411.292851] ata7.00: failed command: WRITE FPDMA QUEUED
Oct 25 07:54:02 nas kernel: [ 1411.296329] ata7.00: cmd 61/80:e0:00:a7:b6/00:00:03:00:00/40 tag 28 ncq 65536 out
Oct 25 07:54:02 nas kernel: [ 1411.296333]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Oct 25 07:54:02 nas kernel: [ 1411.303278] ata7.00: status: { DRDY }
Oct 25 07:54:02 nas kernel: [ 1411.306771] ata7: hard resetting link
Oct 25 07:54:04 nas kernel: [ 1412.870026] ata7: failed to resume link (SControl C72)
Oct 25 07:54:12 nas kernel: [ 1421.330031] ata7: softreset failed (device not ready)
Oct 25 07:54:12 nas kernel: [ 1421.333502] ata7: hard resetting link
Oct 25 07:54:14 nas kernel: [ 1422.400027] ata7: failed to resume link (SControl 0)
Oct 25 07:54:19 nas kernel: [ 1427.620041] ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 0)
Oct 25 07:54:24 nas kernel: [ 1432.620034] ata7.00: qc timeout (cmd 0xec)
Oct 25 07:54:24 nas kernel: [ 1432.620050] ata7.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Oct 25 07:54:24 nas kernel: [ 1432.620056] ata7.00: revalidation failed (errno=-5)
Oct 25 07:54:24 nas kernel: [ 1432.623499] ata7: hard resetting link
Oct 25 07:54:25 nas kernel: [ 1433.690028] ata7: failed to resume link (SControl 0)
Oct 25 07:54:30 nas kernel: [ 1439.230031] ata7: failed to reset engine (errno=-5)
Oct 25 07:54:31 nas kernel: [ 1439.410041] ata7: SATA link up 1.5 Gbps (SStatus 113 SControl 0)
Oct 25 07:54:41 nas kernel: [ 1449.410036] ata7.00: qc timeout (cmd 0xec)
Oct 25 07:54:41 nas kernel: [ 1449.410067] ata7.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Oct 25 07:54:41 nas kernel: [ 1449.410085] ata7.00: revalidation failed (errno=-5)
Oct 25 07:54:41 nas kernel: [ 1449.413499] ata7: limiting SATA link speed to 1.5 Gbps
Oct 25 07:54:41 nas kernel: [ 1449.413510] ata7: hard resetting link
Oct 25 07:54:42 nas kernel: [ 1450.480027] ata7: failed to resume link (SControl 8)
Oct 25 07:54:42 nas kernel: [ 1450.660049] ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 8)
Oct 25 07:55:12 nas kernel: [ 1480.660035] ata7.00: qc timeout (cmd 0xec)
Oct 25 07:55:12 nas kernel: [ 1480.660067] ata7.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Oct 25 07:55:12 nas kernel: [ 1480.660073] ata7.00: revalidation failed (errno=-5)
Oct 25 07:55:12 nas kernel: [ 1480.663454] ata7.00: disabled
Oct 25 07:55:12 nas kernel: [ 1480.663474] ata7.00: device reported invalid CHS sector 0
Oct 25 07:55:12 nas kernel: [ 1480.663482] ata7.00: device reported invalid CHS sector 0
[..]
Oct 25 07:57:08 nas kernel: [ 1597.083606] ata7: SATA link down (SStatus 0 SControl 1)
Oct 25 07:57:08 nas kernel: [ 1597.083644] sd 6:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Oct 25 07:57:08 nas kernel: [ 1597.083656] sd 6:0:0:0: [sdb] Sense Key : Aborted Command [current] [descriptor]
Oct 25 07:57:08 nas kernel: [ 1597.083669] Descriptor sense data with sense descriptors (in hex):
Oct 25 07:57:08 nas kernel: [ 1597.083675]         72 0b 00 00 00 00 00 0c 00 0a 80 00 00 00 00 00
Oct 25 07:57:08 nas kernel: [ 1597.083704]         00 00 00 7f
Oct 25 07:57:08 nas kernel: [ 1597.083716] sd 6:0:0:0: [sdb] Add. Sense: No additional sense information
Oct 25 07:57:08 nas kernel: [ 1597.083727] sd 6:0:0:0: [sdb] CDB: Write(10): 2a 00 03 b6 a3 80 00 00 80 00
Oct 25 07:57:08 nas kernel: [ 1597.083753] end_request: I/O error, dev sdb, sector 62301056
Oct 25 07:57:08 nas kernel: [ 1597.087318] md/raid1:md0: Disk failure on sdb1, disabling device.
Oct 25 07:57:08 nas kernel: [ 1597.087322] <1>md/raid1:md0: Operation continuing on 1 devices.
[..]
Oct 25 07:58:03 nas kernel: [ 1651.892526] ata8: failed to resume link (SControl 580)
Oct 25 07:58:03 nas kernel: [ 1652.070049] ata8: SATA link up 3.0 Gbps (SStatus 123 SControl 580)
Oct 25 07:58:33 nas kernel: [ 1682.070050] ata8.00: qc timeout (cmd 0xec)
Oct 25 07:58:33 nas kernel: [ 1682.070064] ata8.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Oct 25 07:58:33 nas kernel: [ 1682.070071] ata8.00: revalidation failed (errno=-5)
Oct 25 07:58:33 nas kernel: [ 1682.071928] ata8.00: disabled
Oct 25 07:58:33 nas kernel: [ 1682.071954] ata8: exception Emask 0x40 SAct 0x0 SErr 0x800 action 0x6 frozen t4
Oct 25 07:58:33 nas kernel: [ 1682.073867] ata8: SError: { HostInt }
Oct 25 07:58:33 nas kernel: [ 1682.075725] ata8: hard resetting link
Oct 25 07:58:34 nas kernel: [ 1683.140033] ata8: failed to resume link (SControl 580)
Oct 25 07:58:35 nas kernel: [ 1683.640034] ata8: failed to reset engine (errno=-5)
Oct 25 07:58:35 nas kernel: [ 1683.820039] ata8: SATA link up 3.0 Gbps (SStatus 123 SControl 580)
Oct 25 07:58:35 nas kernel: [ 1683.820067] ata8: EH complete
Oct 25 07:58:35 nas kernel: [ 1683.820125] sd 7:0:0:0: [sdc] Unhandled error code
Oct 25 07:58:35 nas kernel: [ 1683.820131] sd 7:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Oct 25 07:58:35 nas kernel: [ 1683.820139] sd 7:0:0:0: [sdc] CDB: Write(10): 2a 00 e8 e0 87 80 00 00 08 00
Oct 25 07:58:35 nas kernel: [ 1683.820158] end_request: I/O error, dev sdc, sector 3907028864
Oct 25 07:58:35 nas kernel: [ 1683.822126] end_request: I/O error, dev sdc, sector 3907028864
Oct 25 07:58:35 nas kernel: [ 1683.823892] md: super_written gets error=-5, uptodate=0
Oct 25 07:58:35 nas kernel: [ 1683.823983] sd 7:0:0:0: [sdc] Unhandled error code
Oct 25 07:58:35 nas kernel: [ 1683.823990] sd 7:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Oct 25 07:58:35 nas kernel: [ 1683.823999] sd 7:0:0:0: [sdc] CDB: Write(10): 2a 00 e8 e0 87 80 00 00 08 00
Oct 25 07:58:35 nas kernel: [ 1683.824024] end_request: I/O error, dev sdc, sector 3907028864
Oct 25 07:58:35 nas kernel: [ 1683.825821] end_request: I/O error, dev sdc, sector 3907028864
Oct 25 07:58:35 nas kernel: [ 1683.827489] md: super_written gets error=-5, uptodate=0
Oct 25 07:58:35 nas kernel: [ 1683.827601] sd 7:0:0:0: [sdc] Unhandled error code
Oct 25 07:58:35 nas kernel: [ 1683.827607] sd 7:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Oct 25 07:58:35 nas kernel: [ 1683.827614] sd 7:0:0:0: [sdc] CDB: Write(10): 2a 00 e8 e0 87 80 00 00 08 00
Oct 25 07:58:35 nas kernel: [ 1683.827633] end_request: I/O error, dev sdc, sector 3907028864
Oct 25 07:58:35 nas kernel: [ 1683.829247] end_request: I/O error, dev sdc, sector 3907028864
Oct 25 07:58:35 nas kernel: [ 1683.830786] md: super_written gets error=-5, uptodate=0
Oct 25 07:58:35 nas kernel: [ 1683.830814] RAID1 conf printout:
Oct 25 07:58:35 nas kernel: [ 1683.830821]  --- wd:1 rd:2
Oct 25 07:58:35 nas kernel: [ 1683.830828]  disk 0, wo:1, o:0, dev:sdb1
Oct 25 07:58:35 nas kernel: [ 1683.830834]  disk 1, wo:0, o:1, dev:sdc1
Oct 25 07:58:35 nas mdadm[1077]: RebuildFinished event detected on md device /dev/md0
Oct 25 07:58:35 nas mdadm[1077]: FailSpare event detected on md device /dev/md0, component device /dev/sdb1
Oct 25 07:58:35 nas kernel: [ 1683.901272] RAID1 conf printout:
Oct 25 07:58:35 nas kernel: [ 1683.901278]  --- wd:1 rd:2
Oct 25 07:58:35 nas kernel: [ 1683.901283]  disk 1, wo:0, o:1, dev:sdc1