Re: AIC + RAID1 error? (was: Re: aic7xxx errors)

From: Justin T. Gibbs (gibbs@scsiguy.com)
Date: Sat Sep 08 2001 - 17:07:10 EST


>I run a RAID5-Array on three SCSI-Disks, all IBM, all LVD on the
>AIC7xxx-Controller on the Mobo (ASUS-P2B-DS)...and from time to time
>(usually about once per week) always the same partition of the RAID5
>gets a readerror and falls out of the array:

This is a very different issue. The drive has even told you what is
wrong.

>-------------------------
>Sep 8 20:49:31 falcon kernel: SCSI disk error : host 0 channel 0 id 0
>lun 0 return code = 8000002
>Sep 8 20:49:31 falcon kernel: [valid=0] Info fld=0x0, Current sd08:04:
>sense key Hardware Error
>Sep 8 20:49:31 falcon kernel: Additional sense indicates Internal
                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>target failure
 ^^^^^^^^^^^^^^

Something bad happened inside the disk. Perhaps IBM can tell you what,
but it is not the aic7xxx driver, SCSI layer, or md's fault for this
disk going offline.

>Ok, i also thought: "Bad disk" and to verify this (i have still
>guarantee on the drive) i formated it, let the AIC-BIOS do a "remap of
>bad blocks" and ran "badblocks" about 5 times on it with the

Target failures are not "media errors". If the drive was experiencing
a media problem, it would have said so.

--
Justin
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This archive was generated by hypermail 2b29 : Sat Sep 15 2001 - 21:00:16 EST