ADSM-L

[ADSM-L] Find clients which are sending large files.

2008-10-10 08:41:23
Subject: [ADSM-L] Find clients which are sending large files.
From: "Loon, EJ van - SPLXM" <Eric-van.Loon AT KLM DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 10 Oct 2008 14:40:08 +0200
Hi *SM-ers!
We are using a EMC Disk Library (virtualizing a LTO tape library) for
quite some time now.
Since tape mount and data seek times are about two seconds on such a
device, we have collocation tuned off for the storage pools.
Every now and then customers call me because they started a restore,
which seems to hang. It's always the same cause: I do a q sess and see
that their session is in the MediaW status. The q sess f=d shows which
tape the restore is waiting for and in all cases this tape is in use for
a reclamation or a backup stgpool.
This process is canceled by TSM, but it finishes the file it is working
on. In some cases this is a very large file and thus the restore has to
wait for a (very) long time.
I guess this is the way TSM works, although I think TSM should cancel
any process immediately for a restore and retry the reclaim or backup
for the specific file at a later time.
Anyway, I would like to know which client in my shop is creating backup
files of 120 Gb. Does anybody know where the client backup file size is
kept in the TSM database? I'm unable to find it...
Thank you very much for your help in advance!
Kindest regards,
Eric van Loon
KLM Royal Dutch Airlines


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