[TriLUG] SCSI Timeout: kernel? hardware?

[M. Mueller (bhu5nji)]

I would reserve my concern until I had an afternoon of playing with the 
(suppossed) twins.  My understanding of what you've written so far is that a 
hardware problem exists.  This is easy to prove since you have twins.  If the 
"good" SCSI card and drive heal the "bad" server, and the "bad" SCSI 
card/drive make the "good" server sick, then it's RMA time.  Otherwise, it's 
most likely a configuration issue or a driver issue.  

Mike M.

On Touvuesday 19 February 2002 12:21 pm, you wrote:
> I have three servers are the same (both hardware and softwarewise).  One
> is in Raleigh, on in Hendersonville and one in Hillsborogh.  The ones in
> Hendersonville and Hillsborough are reporting problems.  I could swap
> hardware with the one in Hillsborough fairly easily.  What concerns me
> is that we have 15 servers that have the same hardware (consective
> serial numbers).
>
> "M. Mueller (bhu5nji)" wrote:
> > You have twins?  Are they physically close to each other?  Can you swap
> > hardware from the good server to the bad server?
> >
> > Mike M.
> >
> > On Tuesday 19 February 2002 11:58 am, you wrote:
> > > I have two servers that are consistently reporting what appears to be a
> > > SCSI timeout error.  I have two other servers with the same model
> > > hardware (one of which is literally a copy of the one below) that are
> > > not reporting this problem.  The error that I am looking at (AAC:SCSI
> > > Channel[0]: Timeout Detected On 1 Command(s)) always occurrs after the
> > > "su(pam_unix)[12432]: session closed for user nobody" but as you can
> > > see there is no time relationship.  I'm not sure what is going on here
> > > and anything to point me in the right direction would be appreciated. 
> > > The hardware is Dell PowerEdge 2400.  The OS is RH 7.2.  The BIOS and
> > > PERC2 are up-to-date.  I guess one of my main questions is:  Is this a
> > > kernel issue or a hardware issue?
> > >
> > >
> > > Feb 17 11:06:58 betaserver su(pam_unix)[12422]: session opened for user
> > > nobody by (uid=0)
> > > Feb 17 11:06:58 betaserver su(pam_unix)[12422]: session closed for user
> > > nobody
> > > Feb 17 11:18:30 betaserver su(pam_unix)[12432]: session opened for user
> > > nobody by (uid=0)
> > > Feb 17 11:18:30 betaserver su(pam_unix)[12432]: session closed for user
> > > nobody
> > > Feb 17 21:50:11 betaserver kernel: AAC:ID(0:02:0) Timeout detected on
> > > cmd[0x2a]
> > > Feb 17 21:50:11 betaserver kernel:
> > > Feb 17 21:50:11 betaserver kernel: AAC:SCSI Channel[0]: Timeout
> > > Detected On 1 Command(s)
> > > Feb 17 21:50:11 betaserver kernel:
> > > Feb 17 22:30:08 betaserver kernel: AAC:ID(0:01:0) Timeout detected on
> > > cmd[0x2a]
> > > Feb 17 22:30:08 betaserver kernel:
> > > Feb 17 22:30:08 betaserver kernel: AAC:SCSI Channel[0]: Timeout
> > > Detected On 1 Command(s)
> > > Feb 17 22:30:08 betaserver kernel:
> >
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