ADSM-L

super SLOW restore after 12.2GB on linux client

2006-11-01 09:51:15
Subject: super SLOW restore after 12.2GB on linux client
From: Timothy Lin <Timothy.Lin AT NOAA DOT GOV>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 1 Nov 2006 09:48:44 -0500
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Hi Gurus,
on a linux client ( RHEL4 U2 - x86_64 , ext3 filesystems )
I noticed a strange problem, restoring works fine for most files but
when it tried to restore big files ( ~30-50GB), it'd run at regular
speed (30-50M/sec) and then down to a crawl ( ~1M/sec ) after restoring
about 12.3G of the file..

tsm server side shows very little i/o strain, so is the client side
but dsmc on client is sucking up all cpu cycle..

I thought it might be a bug in the latest TSM client so i downgraded the
client to 5.3.3, and same problem.

has anyone seen anything like this ?


Thanks.

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