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Date: Sat, 21 Aug 2004 18:02:07 +0930
From: Greg 'groggy' Lehey <grog@FreeBSD.org>
To: Pawel Jakub Dawidek <pjd@FreeBSD.org>
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Subject: Re: RAID-3? (was: cvs commit: src MAINTAINERS)
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On Saturday, 21 August 2004 at 10:06:14 +0200, Pawel Jakub Dawidek wrote:
> So as you can see there are no difference in reading (actually
> reading in degraded mode is even a bit faster, hard to say why).

I would have half expected this.  If you're reading parity as well,
then without spindle sync it will take longer for three I/Os to
complete than 2.  In a fractionally different context, I describe a
similar result for RAID-5 at
http://www.vinumvm.org/vinum/implementation.html.

Greg
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