ADSM-L

NQR hanging on AIX system

2006-02-07 08:31:46
Subject: NQR hanging on AIX system
From: Zoltan Forray/AC/VCU <zforray AT VCU DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 7 Feb 2006 08:31:28 -0500
We just discovered a strange problem/issue that we can only attest to
being a client issue, but I haven't been able to find a difinitive
problem/fix.

Client=V5.1.6.0 on AIX 4.3 (thus I can not upgrade the client but so much,
due to OS and patch levels). The server is AIX V5.3.2.2.

This AIX system lost a disk.

So, we mount another disk and start the No-Query-Restore of this
filesystem.......................Client says "waiting for files from
server" and then simply sits there doing nothing..  The server side shows
minimal activity and that the client session is in a RUN state, but that
is it. No files get transfered or restored.

We tried this numerous times/ways. I made sure to stop *ALL* actitity on
the TSM server.  We even bounced the TSM server, since the sessions seem
to be hanging (IBM, can we please have a "terminate with extreme
prejudice" option, e.g. the FORCE command on z/OS)

Then we discovered that selecting *1* file for restore, works.   So we
tried a pattern that violates the NQR qualification rules(*.txt). That
seems to work.

So, obviously NQR at this client level (or perhaps client and server level
compatibility) seems to be broke !

All references to NRQ issues/fixes I found on the website seem to refer to
various crashes, especially when killing the restores from the client
side.  None refered to the client just going to sleep/spinning its wheels
(yes, we tried letting it sit for 30-minutes)

Any thoughts/suggestions/hits I missed ?

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