Re: Performance Impact of going from 2 parity drives to 4 parity drives in a 4-disk RAID set -- MIDRANGE-L

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Ok,

Thanks Rob.

I was hoping you'd jump in on this.

Charles

On Fri, Aug 22, 2008 at 10:02 AM, <rob@xxxxxxxxx> wrote:

We went from a 3 drive raid set to a 4 drive raid set. We did not rebuild
the raid striping. The performance increase was amazing!!! After that
stunning performance increase I am not sure that the restriping of raid
would have been noticeable.
Much like, if you rewrote a batch process and shaved it from 18 hours down
to 15 minutes would the users really praise you if you cut the 15 minutes
in half by investing an additional weeks worth of labor?

Rob Berendt
--
Group Dekko Services, LLC
Dept 01.073
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com

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