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Date:      Sun, 06 Oct 2002 23:53:23 -0700
From:      Terry Lambert <tlambert2@mindspring.com>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        Greg 'groggy' Lehey <grog@FreeBSD.ORG>, Vallo Kallaste <kalts@estpak.ee>, Lars Eggert <larse@ISI.EDU>, Poul-Henning Kamp <phk@critter.freebsd.dk>, n0go013 <ttz@blahdeblah.demon.co.uk>, current <freebsd-current@FreeBSD.ORG>
Subject:   Re: ccd performance (was: [ GEOM tests ] vinum drives lost)
Message-ID:  <3DA12F63.6943C8EC@mindspring.com>
References:  <62515.1033758160@critter.freebsd.dk> <3D9DEFF7.7050508@isi.edu> <20021005125505.GA1248@tiiu.internal> <20021005221456.GR83766@wantadilla.lemis.com> <20021006072155.GA1117@tiiu.internal> <200210061830.g96IUGNF043142@apollo.backplane.com> <20021007014255.GC93490@wantadilla.lemis.com> <200210070642.g976g1nO045529@apollo.backplane.com>

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Matthew Dillon wrote:
>     But, again, CCD is not trying to implement 'real' RAID.  It can't
>     rebuild a lost mirror drive, for example, and does not implement RAID-5.
>     IMHO A real RAID controller with NVRAM should be used for those things.


FWIW, the people who sell RAID controllers with NVRAM feel the same
way about software RAID implementations...

-- Terry

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