ADSM-L

slow virtual volume copy pool restore

2000-12-07 06:12:26
Subject: slow virtual volume copy pool restore
From: Walter Ridderhof <Walter.Ridderhof AT MAIL.ING DOT NL>
Date: Thu, 7 Dec 2000 12:04:08 +0000
     *SM'rs

     FYI

     Not to long ago I posted a message explaining a problem concerning
     slow copy pool restores when the copy pool data resided in virtual
     volumes (the restore was a faktor 10-15 slower than expected).

     Well we finally received a useful tip from TSM support. It had
     everything to do with the setting of the TSM server option TCPnodelay.
     When this option is set to YES the virtual volume copy pool restore
     behaves in a manner expected of them (fast enough).

     This setting has only to be set at the target server, setting this
     value on the source server has no effect on the restores.


     regards Walter Ridderhof



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