From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cami <camis@mweb.co.za>
Subject: Re: reiserfs v3 patches updated
Date: Tue, 06 Apr 2004 22:51:56 +0200
Message-ID: <4073186C.3010601@mweb.co.za>
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>>>>The majority of the rest of the machines iowait hover around the 1%
>>>>mark.. CPU time tends to be about the same, just the iowait is much
>>>>much higher..
>>>
>>>Very interesting.  data=ordered makes fsync more expensive, since it
>>>ends up syncing more then just the buffers for that one file.  Could you
>>>please try removing data=ordered from machine1?
>>
>>Ok.. after leaving it for a few minutes..
> 
> 
> I'm a little slow today.  data=ordered is the default with these
> patches.  You need to mount -o data=writeback.

data=writeback yields pretty much the same iowait results..
(machine 1+2 are around 5%->8% whereas machine 3->8 are at around 0.8%)

Cami