ADSM-L

Reconstruction of aggregates

2004-12-07 09:15:49
Subject: Reconstruction of aggregates
From: Stefan Holzwarth <stefan.holzwarth AT ADAC DOT DE>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 7 Dec 2004 15:15:22 +0100
We plan to move TSM from MVS to Windows2003 using only disk storage at 2
CX700 storage systems.

At the moment we discuss whether to use disk and/or file pools.

Since disk is much easier to handle and to use we look for a mechanism to
address the aggregates problem on disk only.

The idea is to have a kind of reclamation pool of type file to handle the
problem:
Large Disk pool --- move vol ----> Small File pool with immediate
reclamation  ---> migration by high/lo watermark --> back to large disk pool

The problem now is to have an idea of what disk volumes should be moved. I
do not know any statistic that shows me which volumes should be reorganized.

Any idea?

Kind regards
Stefan Holzwarth

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