*BSD News Article 92563


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From: Tony Griffiths <tonyg@OntheNet.com.au>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Disk mirroring?
Date: Tue, 01 Apr 1997 11:08:09 +1000
Organization: On the Net (ISP on the Gold Coast, Australia)
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To: Kurt Schafer <kschafer@cyberbeach.net>
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:38260

Kurt Schafer wrote:
> 
> This isn't really disk mirroring though is it ? I thought CCD was just for
> munging 2 (or more) hard disks into a larger logical unit and that if any
> of those smaller drives goes boom, the whole entity is messed.

Well a look at the 'options' available gives-

	concatenate
	interleave (stripe)
	shadow (mirror)
	parity [not currently implemented]

The only one I've tried is the striping so can't vouch for the rest!

Tony