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Date:      Thu, 12 Apr 2001 11:39:22 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Simon <simon@optinet.com>
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: RAID 5
Message-ID:  <20010412113922.D48878@wantadilla.lemis.com>
In-Reply-To: <20010411160513.A64E737B423@hub.freebsd.org>; from simon@optinet.com on Wed, Apr 11, 2001 at 12:09:53PM -0400
References:  <20010411160513.A64E737B423@hub.freebsd.org>

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On Wednesday, 11 April 2001 at 12:09:53 -0400, Simon wrote:
>
> Does anyone know if it's ok to mix drives with different amount of
> cache in RAID-5 ?

It shouldn't make any serious difference.  You should have write
cacheing turned off anyway, but even if you don't, I'd expect the
cache size not to be an issue.  There's a probability that the
smallest cache size will dominate the performance, of course.

Greg
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