Raid failure - drives or controller?

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Hi,

I had two drive failure on a RAID5 in short time (unfortunately to short to rebuild on a spare disk). However - drives seem to work on a test machine and didn't report any errors. I also stuck them back into the orig. server (after rebooting) and they work now.

The first drive's errors were:

Mar 6 05:15:19 san1 kernel: [10681162.473960] sd 4:0:3:0: [sde] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Mar 6 05:15:19 san1 kernel: [10681162.473965] sd 4:0:3:0: [sde] Sense Key : Aborted Command [current] Mar 6 05:15:19 san1 kernel: [10681162.473969] sd 4:0:3:0: [sde] Add. Sense: No additional sense information Mar 6 05:15:19 san1 kernel: [10681162.473973] sd 4:0:3:0: [sde] CDB: Read(10): 28 00 07 af 38 3f 00 00 08 00 Mar 6 05:15:19 san1 kernel: [10681162.473980] end_request: I/O error, dev sde, sector 128923711 Mar 6 05:17:53 san1 kernel: [10681316.885221] sd 4:0:3:0: [sde] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Mar 6 05:17:53 san1 kernel: [10681316.885225] sd 4:0:3:0: [sde] Sense Key : Illegal Request [current] Mar 6 05:17:53 san1 kernel: [10681316.885229] sd 4:0:3:0: [sde] Add. Sense: Logical block address out of range Mar 6 05:17:53 san1 kernel: [10681316.885234] sd 4:0:3:0: [sde] CDB: Write(10): 2a 08 74 70 58 c7 00 00 08 00 Mar 6 05:17:53 san1 kernel: [10681316.885242] end_request: I/O error, dev sde, sector 1953519815 Mar 6 05:17:53 san1 kernel: [10681316.885246] end_request: I/O error, dev sde, sector 1953519815 Mar 6 05:17:53 san1 kernel: [10681316.885252] raid5: Disk failure on sde1, disabling device. Mar 6 05:20:27 san1 kernel: [10681470.600610] sd 4:0:3:0: [sde] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Mar 6 05:20:27 san1 kernel: [10681470.600615] sd 4:0:3:0: [sde] Sense Key : Illegal Request [current] Mar 6 05:20:27 san1 kernel: [10681470.600619] sd 4:0:3:0: [sde] Add. Sense: Logical block address out of range Mar 6 05:20:27 san1 kernel: [10681470.600624] sd 4:0:3:0: [sde] CDB: Write(10): 2a 08 74 70 59 27 00 00 08 00 Mar 6 05:20:27 san1 kernel: [10681470.600631] end_request: I/O error, dev sde, sector 1953519911 Mar 6 05:20:27 san1 kernel: [10681470.600636] end_request: I/O error, dev sde, sector 1953519911
Mar  6 05:20:28 san1 kernel: [10681471.664682]  disk 3, o:0, dev:sde1
Mar 6 05:21:47 san1 kernel: [10681549.746852] sd 4:0:3:0: [sde] Synchronizing SCSI cache Mar 6 05:21:47 san1 kernel: [10681549.746905] sd 4:0:3:0: [sde] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK

The second drive did this:

Mar 7 02:31:37 san1 kernel: [10757598.197391] sd 4:0:5:0: [sdg] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Mar 7 02:31:37 san1 kernel: [10757598.197396] sd 4:0:5:0: [sdg] Sense Key : Aborted Command [current] Mar 7 02:31:37 san1 kernel: [10757598.197400] sd 4:0:5:0: [sdg] Add. Sense: No additional sense information Mar 7 02:31:37 san1 kernel: [10757598.197404] sd 4:0:5:0: [sdg] CDB: Read(10): 28 00 07 12 05 9f 00 00 10 00 Mar 7 02:31:37 san1 kernel: [10757598.197411] end_request: I/O error, dev sdg, sector 118621599 Mar 7 02:31:37 san1 kernel: [10757598.583990] raid5: Disk failure on sdg1, disabling device.
Mar  7 02:31:37 san1 kernel: [10757598.616232]  disk 5, o:0, dev:sdg1

Can anyone make some actual sense out of these sense messages?

Are these drives really / likely bad or is it more likely it was a controller failure?


   D.


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