Extreme filesystem performance decrese going from FreeBSD4 to FreeBSD7

[Andy Dills]

On Wed, 13 May 2009, Tijl Coosemans wrote:

> I believe there was a performance regression in 7.1 for SCSI disks. I
> don't know if the amr driver was affected but the issues should be
> resolved in FreeBSD 7.2 so you might want to give that a try.

http://www.nabble.com/HEADS-UP:-Major-CAM-performance-regression-td21994181.html

Indeed, that appears to be the source of the issue.

Thanks very much.

Andy

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Andy Dills
Xecunet, Inc.
www.xecu.net
301-682-9972
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