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Date: Tue, 28 Oct 2008 23:37:59 +0100 (CET)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Stefan Moro <stefan.moro@gmail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: A gmirror question.
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> If I have understood things correctly, gmirror stores all relevant
> information about the mirror in the last sector on the provider.

exactly. it doesn't matter how the disks are connected.

all data is in last sector.

for non-mirrored drives it's useful to use glabel to get the same