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Date:      Thu, 2 Jan 2003 01:27:12 -0800
From:      "Sean Hamilton" <sh@bel.bc.ca>
To:        <hackers@freebsd.org>
Subject:   ATA RAID performance
Message-ID:  <000501c2b241$21927560$31dfe8d8@slugabed.org>

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Greetings,

I have tried using both atacontrol and ccdconfig to create stripes and
mirrors of various sizes, and have found that in all cases, read performance
*decreased*.

Is this typical? I have a Promise controller in another computer running
Windows which sees a considerable performance increase while striping, but
in the FreeBSD machine, no controller is present.

thanks,

sh


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