ADSM-L

'Maximum Scratch Volumes Allowed' clarrification

2003-10-09 19:25:22
Subject: 'Maximum Scratch Volumes Allowed' clarrification
From: Gordon Woodward <gordon.woodward AT DB DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 10 Oct 2003 09:23:15 +1000
Hi all,

I'm after some clarrification about the stgp maxscratch setting for one of our 
storage pools. We recently decommissioned a server and removed all it's data 
out of TSM, thus freeing up a lot of tapes for other uses, but I'm now finding 
that our collocated storage pool has decided to hoard all our scratch tapes for 
itself, even though it doesn't put any data in them.

Our collocated tape storage pool currently has 32 tapes allocated to it,11 of 
which are filling with only 5 tapes of those having data on them. The Maximum 
Scratch Volumes Allowed setting for this storage pool is set to 100, which is a 
tad excessive so I want to pull it back to a smaller number. Would setting this 
maxscratch paramater back down to say 5 be reasonable without causing other 
problems? This particular storage pool is lucky to fill one tape a night and it 
reclaims about 1 tape a day, I don't want it to keep stealing all available 
scratch tapes for itself as our tape library is already at capacity.

Thanks in advance!


Gordon Woodward


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