From owner-freebsd-hackers@FreeBSD.ORG  Mon Jan 23 18:56:56 2012
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Date: Mon, 23 Jan 2012 13:46:08 -0500
From: Ed Maste <emaste@freebsd.org>
To: Garrett Cooper <yanegomi@gmail.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: Parallels v4 regression (aka ada(4) oddity) in RELENG_9
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On Mon, Jan 23, 2012 at 10:32:59AM -0800, Garrett Cooper wrote:

>     It's better to be methodical and delete all of the partitions and
> create the table from scratch. I've run into reproducible cases in the
> past where just doing gpart destroy -F for instance [on 9.0-BETA1+
> media] didn't work because geom retasted the partition tables and
> slices.

Do you have the reproduction steps documented somewhere (and if not, can
you write them up)?  In order to have working automated installs we need
to be able to unconditionally reinit a drive w/o having behavoiur depend
on what happens to be left behind.

-Ed