[TriLUG] SCSI Timeout: kernel? hardware?

[Janyne Kizer]

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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-- 

Janyne Kizer
CNE-3, CNE-4, CNE-5
Systems Programmer Administrator I
NC State University, College of Agriculture & Life Sciences
Extension and Administrative Technology Services
Phone: (919) 515-3609