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Date:      Wed, 13 Oct 2004 18:48:39 +1000
From:      Greg 'groggy' Lehey <grog@FreeBSD.org>
To:        Lukas Ertl <le@FreeBSD.org>
Cc:        David Gilbert <dgilbert@dclg.ca>
Subject:   Re: Geom Vinum backwards compatible?
Message-ID:  <20041013084839.GC692@eucla.lemis.com>
In-Reply-To: <20041012221104.A572@korben.prv.univie.ac.at>
References:  <16747.64733.417014.558225@canoe.dclg.ca> <20041012221104.A572@korben.prv.univie.ac.at>

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On Tuesday, 12 October 2004 at 22:12:48 +0200, Lukas Ertl wrote:
> On Tue, 12 Oct 2004, David Gilbert wrote:
>
>> Is it even expected that if I upgrade a machine with vinum drives from
>> old vinum (~5.2-current) to geom vinum (5.3-BETAx) that geom vinum
>> will recognise and use the old vinum partitions?
>
> It should work fine.  There are some corner cases that are not supported
> right now.  For example, you should have only one vinum drive per disk.

This is a good idea even for old Vinum, but it wasn't enforced.  There
are cases where more than one drive can be an advantage (usually when
using up excess space).

Greg
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