Date: Wed, 23 Jul 1997 10:11:54 -0500 (CDT) From: Tony Kimball <Anthony.Kimball@East.Sun.COM> To: kuku@gilberto.physik.rwth-aachen.de Cc: sos@sos.freebsd.dk, freebsd-hardware@FreeBSD.ORG Subject: Re: building RAID systems Message-ID: <199707231511.KAA06339@compound.east.sun.com> References: <199707230652.IAA04056@gil.physik.rwth-aachen.de> <199707230749.JAA21433@sos.freebsd.dk> <19970723104014.09599@gil.physik.rwth-aachen.de>
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Quoth Christoph Kukulies on Wed, 23 July: : > > a) what controllers are there? Mylex makes a SCSI RAID controller for <$1000 to start. : > > b) can one build such systems of cheapo IDE drives? I wish. SCSI is hopeless these days. About 3-5x the price of IDE. : [ccd] : : Thought of this, too, but this doesn't give me RAID advantages : like hot swapping of media and 28 GB isn't enough, anyway :-) Use ccd to cat multiple Mylex subsystems, and you do get RAID advantages. But the $/GB is a lot higher. : BTW, how does one : increase an existing 6GB ccd drive on the fly' (I mean without : backing up the data) ? (assumed answer: impossible) Nothing is impossible when it's just software.
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