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Date: Thu, 30 Mar 2006 16:37:02 +0200 (CEST)
From: Lukas Ertl <le@FreeBSD.org>
To: Olivier Cochard <olivier@freenas.org>
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Cc: freebsd-geom@FreeBSD.org
Subject: Re: gvinum: problem for adding drives
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On Sat, 25 Mar 2006, Olivier Cochard wrote:

> Normally, I should have one volume of 102Mb...
>
> But gvinum create a volume of 204Mb...

OK, that's another bug.

> Then here are my question:
> - Is 'concat' equivalent to mirroring ?

No, 'concat' is the plex organization, but you get mirroring via multiple 
plexes.

> - Can I use a 'sd lenght 0' for disk with different size for 'concat' ?

Within one plex: yes.  But I need to add a protection for unequally sized 
plexes in a volume, too.

thanks,
le

-- 
Lukas Ertl                         http://homepage.univie.ac.at/l.ertl/
le@FreeBSD.org                     http://people.freebsd.org/~le/