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Date:      Thu, 19 Aug 2004 00:24:41 -0700
From:      Colin Percival <colin.percival@wadham.ox.ac.uk>
To:        Greg 'groggy' Lehey <grog@FreeBSD.org>
Cc:        Wilko Bulte <wb@freebie.xs4all.nl>
Subject:   Re: RAID-3?
Message-ID:  <6.1.0.6.1.20040819002149.03e0fd70@popserver.sfu.ca>
In-Reply-To: <20040819064926.GQ85432@wantadilla.lemis.com>
References:  <20040819062228.GO85432@wantadilla.lemis.com> <11555.1092897238@critter.freebsd.dk> <20040819064926.GQ85432@wantadilla.lemis.com>

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At 23:49 18/08/2004, Greg 'groggy' Lehey wrote:
>> Raid5 with two bit ECC (sometimes called raid6)
>
>I thought RAID-6 was RAID-5 with two identical parity disks.  Not so?

CA:QA says that RAID 6 is P+Q redundancy (ie, two different parity
disks).  I'm going to hope that Patterson knows what he's talking
about. :-)

Colin Percival




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