ADSM-L

More tapes used than necessary

2005-08-03 07:08:20
Subject: More tapes used than necessary
From: ML_SPAM <spam.admin AT AVIVA DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 3 Aug 2005 12:09:21 +0100
Hi *SMers,

TSM 5.2.1 server
W2K sp4
3583 L72

I can't get my head around why this is happening...
A number of SQL clients back up to the SQL_TAPEPOOL, with collocation
turned off. However,  we are only storing 68 MB from all the sql clients
so I would expect all that data to fit on one tape, which it does. But for
some reason TSM wants to pick up two scratch volumes everyday to backup
the SQL diskpool to - not the already defined volume.

Eachmorning I find myself performing a 'move data' on the two newly
defined vols just to move the data back to the slowly accumilating volume.

One thing that occured to me was that the volume had about 37% reclaimable
space - and if the files which had expired were at the end of the volume,
would TSM be able to locate the correct position to start writing from?

That's the only reason I can think why this is happening. Can any one else
shine a bit of light on this problem?

Many Thanks,
Matthew



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