A technique for handling tape contention
2001-02-21 07:49:47
Subject: |
A technique for handling tape contention |
From: |
Richard Sims <rbs AT BU DOT EDU> |
Date: |
Wed, 21 Feb 2001 07:50:15 -0500 |
TSM really likes to fill a storage pool tape before starting on
a new one, and sometimes this can result in contention.
For example, I had an Archiving user whose session was waiting
on a tape that was busy as input to a Backup Stgpool that would
be reading from that tape for some time. To keep the user from
waiting further, I did an Update Volume ... Access=Readonly
which TSM immediately recognized to allow the archive session
to proceed with another output volume. I then did
Update Volume ... Access=Readwrite to put the contended volume
back into its original state, and everyone was happy.
One of the various little tricks we TSM admins can perform.
Richard Sims, BU
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