Reset problem with CERC RAID on PE700

William Warren hescominsoon at
Fri Feb 2 08:57:51 CST 2007

are you running western digital drives?  If so some models have a 
firmware update that solves this issue.

bloch at wrote:
> Several times in the last couple of weeks a PowerEdge 700 with a CERC
> RAID array has taken the SCSI device offline, following a message like
> this:
> aacraid: Host adapter reset request. SCSI hang
> with the result that a reboot is needed.
> Both the BIOS and CERC firmware are the latest versions.  Before
> upgrading the CERC firmware recently one of the members of the array
> kept on dropping out, needing re-initialization.  That problem seems to
> have been solved by the update.
> I've found a lot of complaints similar to mine, though mainly with the
> 2.4 kernel or early versions of 2.6.
> Is there a good way of diagnosing this?  The server is running Ubuntu
> 6.06.
> Best Wishes,
> Adam
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Isa 54:17  No weapon that is formed against thee shall prosper; and 
every tongue that shall rise against thee in judgment thou shalt 
condemn. This is the heritage of the servants of the LORD, and their 
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