[23469.408881] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
[23469.408881] ata1.00: BMDMA2 stat 0x787cb009
[23469.408881] ata1.00: cmd 25/00:80:10:0d:65/00:00:27:00:00/e0 tag 0 dma 65536 in
[23469.408881]          res 51/10:00:35:0d:65/00:00:27:00:00/f0 Emask 0x81 (invalid argument)
[23469.408881] ata1.00: status: { DRDY ERR }
[23469.408881] ata1.00: error: { IDNF }
[23469.534718] ata1.00: configured for UDMA/100
[23469.534718] sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK
[23469.534718] sd 0:0:0:0: [sda] Sense Key : Aborted Command [current] [descriptor]
[23469.534718] Descriptor sense data with sense descriptors (in hex):
[23469.534718]         72 0b 14 00 00 00 00 0c 00 0a 80 00 00 00 00 00 
[23469.534718]         27 65 0d 35 
[23469.534718] sd 0:0:0:0: [sda] Add. Sense: Recorded entity not found
[23469.534718] end_request: I/O error, dev sda, sector 660933904
[23469.534718] ata1: EH complete
[23469.568188] sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB)
[23469.579316] sd 0:0:0:0: [sda] Write Protect is off
[23469.579316] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[23470.098810] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933904 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933912 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933920 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933928 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933936 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933944 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933952 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933960 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933968 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933976 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933984 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660933992 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660934000 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660934008 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660934016 on sda)
[23470.139760] raid5:md127: read error corrected (8 sectors at 660934024 on sda)
[69062.190350] raid5: Disk failure on sda, disabling device. Operation continuing on 3 devices
[69062.197081] RAID5 conf printout:
[69062.197087]  --- rd:4 wd:3
[69062.197090]  disk 0, o:1, dev:sdc
[69062.197092]  disk 1, o:1, dev:sdd
[69062.197094]  disk 2, o:0, dev:sda
[69062.197096]  disk 3, o:1, dev:sdb
[69062.200944] RAID5 conf printout:
[69062.200950]  --- rd:4 wd:3
[69062.200952]  disk 0, o:1, dev:sdc
[69062.200955]  disk 1, o:1, dev:sdd
[69062.200957]  disk 3, o:1, dev:sdb
[69068.113300] md: unbind<sda>
[69068.113458] md: export_rdev(sda)