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Date: Wed, 28 Apr 2010 20:32:20 +0200
In-Reply-To: <1239259726.20100428222039@serebryakov.spb.ru> (Lev Serebryakov's
	message of "Wed, 28 Apr 2010 22:20:39 +0400")
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Cc: Maxim Sobolev <sobomax@FreeBSD.org>, Alexander Motin <mav@FreeBSD.org>,
	FreeBSD-Current <freebsd-current@FreeBSD.org>,
	Richard Tector <richardtector@thekeelecentre.com>, freebsd-geom@FreeBSD.org
Subject: Re: Switchover to CAM ATA?
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Lev Serebryakov <lev@FreeBSD.org> writes:
> "Dag-Erling Sm=C3=B8rgrav" <des@des.no> writes:
> > Most pseudo-raid kit has nifty features like checksum offloading,
> > composite writes etc.
>  Why are they called ``PSEUDO-raids'' then?

Several reasons - they don't present the array to the OS as a single
device, they don't handle failover, etc.

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no