[4842] in linux-scsi channel archive
Re: Warning: AHA2940 RAID PROBLEM
daemon@ATHENA.MIT.EDU (Doug Ledford)
Thu Oct 8 15:45:54 1998
Date: Thu, 08 Oct 1998 11:38:44 -0500
From: Doug Ledford <dledford@redhat.com>
To: Edward Burt <edward.burt@dial.pipex.com>
CC: linux-scsi@vger.rutgers.edu
Edward Burt wrote:
>
> Hi there,
>
> Bit of a weird one. We've just spent the last two days tracking down a
> SCSI problem and we wonder if anyone else has experienced a similar
> case. If not... be warned!!
>
> We've got a number of 54Gb RAID 0+1 boxes hung off the end of a number
> of Dual PII300, 192MB RAM etc.. running linux(2.0.33 and 2.0.35). In a
> couple of new boxes that we have been setting up we have been getting
> SCSI Bus reset errors when trying to format these boxes (ext2fs).
>
> Anyway, having tried every combination of everything ever we finally
> tracked the problem down to the BIOS on the adaptec card. The new oxes
> are running adaptec AHA2940UW Bios 1.32. When we tried the new boxes
> with an old adaptec card (Bios 1.25) from a box we knew worked, the
> problem went away. Likewise the new card in an old box caused the
> problem to appear in the old box.
>
> Has anyone else experienced this problem with the Adaptec Card (BIOS
> 1.32) on large raid devices?
>
> We've changed, upgraded, downgraded, replaced everything we can lay our
> hands on (cables, cards, drives, os etc.) so the only option we have
> left is to replace the cards... unless that is you guys know of the
> problem and it is a linux kernel incompatibility with the new adaptec
> bios and someone is working on a patch.
>
> Anyway, any comments/news welcomed
The official aic7xxx-5.1.0 driver has been released and it shouldn't have
any problems with these cards that have the 1.32 BIOS. If it does, then
please let me know.
--
Doug Ledford <dledford@dialnet.net>
Opinions expressed are my own, but
they should be everybody's.
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