ADSM-L

LTO and backupsets, slow restore

2002-04-24 02:50:28
Subject: LTO and backupsets, slow restore
From: Radoslav Bendik <bendik AT NS.HTC DOT SK>
Date: Wed, 24 Apr 2002 08:50:39 +0200
Hello,

I have a problem with very slow restores from bakupsets from LTO tape
(200kB/s). Also import node runs very slowly (export node has generated
50G within 1 hour; less then 2G has been imported after 4 hours). Exports
and backupset generation is fast.

Is this normal behavior? Or there are some settings (tape block size,
buffer sizes), which can speed up restores? Problems are only on server
side.

Has anyone experiences with big export/import between TSM servers???


Environment is TSM server v4.2.1 on Solaris, LTO 3583 library connected
trough SAN. Clients are Solaris 7/8 on SAN.


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rado b
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