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Re: [ADSM-L] Poor TSM server performance on Sun.

2007-05-20 09:03:35
Subject: Re: [ADSM-L] Poor TSM server performance on Sun.
From: Richard Sims <rbs AT BU DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Sun, 20 May 2007 09:02:54 -0400 
On May 20, 2007, at 8:50 AM, Michael Bartl wrote:


But the good thing is, that (even without a reason) the problems were
gone when we started to use raw devices instead of filesystems. ...


Makes one wonder if excessive, delayed file system sync operations
were the issue, in writes.  This might be tested by performing pure
read operations in the file system ('cp SomeFile /dev/null' is a
basic test, versus copying file to file).

  Richard Sims
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