From owner-freebsd-hardware  Wed Jul 23 01:59:13 1997
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From: Søren Schmidt <sos@sos.freebsd.dk>
Message-Id: <199707230851.KAA21593@sos.freebsd.dk>
Subject: Re: building RAID systems
In-Reply-To: <19970723104014.09599@gil.physik.rwth-aachen.de> from Christoph Kukulies at "Jul 23, 97 10:40:14 am"
To: kuku@gilberto.physik.rwth-aachen.de (Christoph Kukulies)
Date: Wed, 23 Jul 1997 10:51:53 +0200 (MEST)
Cc: kuku@gilberto.physik.rwth-aachen.de, freebsd-hardware@FreeBSD.ORG
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In reply to Christoph Kukulies who wrote:
> > 
> > You could put 4x7gigs EIDE drives on the two EIDE channels on
> > a modern motherboard. The run CCD to concat them together to
> > one 28gig drive :)
> 
> Thought of this, too, but this doesn't give me RAID advantages
> like hot swapping of media and 28 GB isn't enough, anyway :-)

Nope, I guess you have to go for one of those RAID boxes then...

> > I do this with two 4gig MAXTOR's, one on each channel of cause,
> > works like a charm, and have given me 8gigs for US$ 500 ....
> 
> I have a 3+3GB ccd drive on cvsup.de.freebsd.org myself using
> two (though slow) quantum 3GB scsi drives attached to ncr controllers
> and despite of occasional scsi command timeouts which I havn't
> tracked down yet,  it's working nice. BTW, how does one
> increase an existing 6GB ccd drive on the fly' (I mean without
> backing up the data) ? (assumed answer: impossible)

Well its not impossible, just noone has written support for that yet :)

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Søren Schmidt               (sos@FreeBSD.org)               FreeBSD Core Team
                Even more code to hack -- will it ever end
..