Thanks to:
Ed Lewis <ELewis_at_RBMG.com>
scott.b.skeate_at_lmco.com
who reported similar problems; but theirs would clear up with time.
Bigger thanks to Sandy from DEQ support who answered:
> We have seen this problem before. Here is the situation, in patch kit 3
> there is in fact a patch for this
>
> PROBLEM: (QAR 64932) (Patch ID: TCR150-036)
> ********
> This patch fixes two problems:
>
> o A problem in which the following messages may appear in the binary error
> log.
>
> "SCSI STATUS RESERVATION CONFLICT Target xx Lun xx"
> or
> "Max SEND SCSI BUSY retries exhausted"
>
> but, it seems that this patch did not completely fix the problem, so since
> then engineering has created an unreleased patch on top of patch kit 3 to
> fix the problem. In one case engineering mentioned that this fix is included
> in patch kit 4 (bl12). Also there are other unreleased patches that are part
> of the fix that are part of bl12.
She indicated that Patch Kit #4 should be released this summer. I will wait
for that kit.
Regards!
--CHRis
Original Posting:
> This is a wierd one that I have sent to DEQ Support, but I am polling the
> membership for possible common problems.
>
> I have a 2-node TruCluster Available Server with 2 AS8200's and 3 shared
> SCSI busses (KZPSA-??) which share 2 dual-redundant HSZ40 pairs and one
> dual-redundant HSZ50 pair. The HSZ's run RAID-5 sets of 4GB and 9GB disks.
>
> Periodically, something happens and I start getting messages out of TCR of
> the form:
>
> smrs013a HSM ***ALERT: network ping to host smrs014a is working but SCSI ping is not
>
> If I run "scu sho edt" on smrs013a I can see the RAIDset devices but the
> SCSI controllers on smrs014a are missing. Run it on smrs014a and I see
> everything that should be there. Since ALL three SCSI busses are missing,
> I do not think it is a rardware issue with the KZPSA.
>
> >>>>>>>>>>>>>> error log messages deleted for brevity <<<<<<<<<<<<<<<<<<<<<
>
> Any of you TruCluster Wizards ever seen anything like this? Any ideas?
-
=============================================================================
Chris H. Ruhnke Phone: (314)233-7314
IBM Global Services M/S S306-6340 FAX : (314)234-2262
325 J.S. McDonnell Blvd Email: Ruhnke_at_US.ibm.com
Hazelwood, MO 63042
Received on Wed May 19 1999 - 21:31:13 NZST