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Date: Mon, 23 Jan 2012 10:20:39 -0800
Message-ID: <CAGH67wSHL=herrAxGr+ofA8p-aMy8TpaOJBoCqF2xJd=w0UUZQ@mail.gmail.com>
From: Garrett Cooper <yanegomi@gmail.com>
To: Devin Teske <devin.teske@fisglobal.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 10:18 AM, Devin Teske <devin.teske@fisglobal.com> w=
rote:
>
>> -----Original Message-----
>> From: Garrett Cooper [mailto:yanegomi@gmail.com]
>> Sent: Monday, January 23, 2012 10:16 AM
>> To: Devin Teske
>> Cc: freebsd-hackers@freebsd.org
>> Subject: Re: Parallels v4 regression (aka ada(4) oddity) in RELENG_9
>>

...

>> =A0 =A0 The 'bug' is in gpart/geom and the 'issue' is present in prior
>> versions of FreeBSD. The backup partition is now more of a thorn in
>> everyone's side than previous versions. gpart delete'ing all the
>> partitions, then doing gpart destroy is probably what you want (there
>> isn't a simple one-liner that would do this).
>
> So "dd if=3D/dev/zero of=3D/dev/ada0 bs=3D512k count=3D256" is not enough=
 to wipe out
> "the backup partition" (presumably created by prior-usage of bsdinstall
> guided/auto partitioning)??

    The backup partition sits at the back of the disk, so yes that dd
by itself won't work.
Thanks,
-Garrett