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Subject: Re: Destroy GPT partition scheme absolutely, how?
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From: "O'Connor, Daniel" <darius@dons.net.au>
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Date: Tue, 27 Sep 2016 12:16:39 +0930
Cc: freebsd-current@freebsd.org, Ngie Cooper <yaneurabeya@gmail.com>,
 Ernie Luzar <luzar722@gmail.com>,
 "Hartmann, O." <ohartman@mail.zedat.fu-berlin.de>
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References: <20160926150109.0d0d793e@hermann> <57E92726.2020605@gmail.com>
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> On 27 Sep 2016, at 06:21, John Baldwin <jhb@FreeBSD.org> wrote:
> That doesn't always work.  In particular, if a disk was partitioned =
with GPT
> and then you use normal MBR on it afterwards, the 'gpart destroy -F' =
of the
> MBR will leave most of the GPT intact and the disk will come up with =
the old
> GPT partitions, not as a raw disk.

I wonder how feasible it would be to have a command which runs destroy =
for every known partition scheme on a particular device..

Sure there would be some duplicate zeroing but it's not likely to be =
significantly slower and considerably more robust.

--
Daniel O'Connor
"The nice thing about standards is that there
are so many of them to choose from."
 -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C