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Date:      Wed, 08 Apr 1998 10:40:45 +0100
From:      Karl Pielorz <kpielorz@tdx.co.uk>
To:        Greg Lehey <grog@lemis.com>
Cc:        questions@FreeBSD.ORG
Subject:   Re: CCD's - real concatenation?
Message-ID:  <352B461D.9C76F180@tdx.co.uk>
References:  <352B4193.8A6E52CA@tdx.co.uk> <19980408190617.06524@freebie.lemis.com>

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Greg Lehey wrote:

> You *should* be able to configure disks this way if you don't
> interleave.  I haven't tried it, but I have looked through the source
> code.  It looks as if you can even specify interleave > 1 with unequal
> partions, but in this case it truncates all the partitions to the size
> of the smallest, definitely not what you want.

I'd agree with that - considering it would chop everything down to the
lowest common denominator... ;-)
 
> vinum can do partial mirroring and true concatenation of unequal size
> partitions.  It can't interleave unequal sized partitions.  I consider
> it a bug, not a feature, than CCD should allow this.

I'll agree with that as well... ;-)
 
> > Or whether you can CCD' an allready CCD'd array?
> 
> I still think this is a bad idea.

Yes, your probably right - though it would be a handy way of concatenating
two unequal CCD arrays into one big virtual drive... ;-)

Regards,

Karl

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