Veritas-bu

[Veritas-bu] WEBCT server VERY slow / strange throughput (4.5 Datacenter, Solaris)

2004-02-25 15:43:44
Subject: [Veritas-bu] WEBCT server VERY slow / strange throughput (4.5 Datacenter, Solaris)
From: boatm005 AT groupwise.umn DOT edu (Paul Boatman)
Date: Wed, 25 Feb 2004 14:43:44 -0600
Hey Everybody !  We have the following situation:

NB45 FP5 running on Solaris 8

1x STKL11000 Master / Media (16 drives)
1x STKL700 Media (10 Drives)

Backups of our campus WEBCT server are ridiculously slow. Job streams
were historically multiplexed, but even when not multiplexed, we are
getting only 258kbps from the /sync mountpoint. WEBCT uses millions of
little files, but what we can't explain is why this one mountpoint is so
much slower vs. the rest ?  Could this be a possible RAID problem on the
client side ?

We have tried using both robots with the same outcome on this
particular mountpoint.

The other 3 mount points average 1200kbps each for a total of about
5500kbps when all 4 streams are running. If we could get this one
mountpoint up to that speed, that would be acceptable.

Client info:

Sun V880
4 Cpu
RAID


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EAS - Systems Support, OIT, University of Minnesota


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