From owner-freebsd-current@freebsd.org  Tue Sep 27 05:06:41 2016
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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 14:36:39 +0930
Cc: John Baldwin <jhb@freebsd.org>,
 FreeBSD Current <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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To: Warner Losh <imp@bsdimp.com>
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> On 27 Sep 2016, at 14:28, Warner Losh <imp@bsdimp.com> wrote:
> dd of 2MB of zeros to the start and end of the disk. That will destroy
> pretty much everything. For SSDs, sometimes you can do the same with
> TRIMs only faster (other times they are slower or unreliable).

Yeah, but it would be nicer to not have to know that particular magic =
incarnation :)

--
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