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Date: Sun, 13 Jan 2013 08:36:03 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: kpneal@pobox.com
Subject: Re:  gpart, glabel and newfs --> what am I doing wrong
In-Reply-To: <20130113063621.GB63271@neutralgood.org>
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Cc: Erich Dollansky <erichsfreebsdlist@alogt.com>,
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On Sun, 13 Jan 2013, kpneal@pobox.com wrote:

> On Sun, Jan 13, 2013 at 08:09:00AM +0700, Erich Dollansky wrote:
>> For what is glabel then still good?
>
> It is still useful for partition schemes that don't have labels (eg, MBR)
> AND the filesystem used doesn't support labels itself AND the end of the
> partition does not get touched by the filesystem.

But it doesn't matter what the filesystem does.  Access to the last 
block is not allowed by the label device.  The filesystem does not even 
see it.  See my reply in -fs:
http://lists.freebsd.org/pipermail/freebsd-fs/2013-January/016113.html