Date: Tue, 27 Sep 2016 14:36:39 +0930 From: "O'Connor, Daniel" <darius@dons.net.au> To: Warner Losh <imp@bsdimp.com> 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> Subject: Re: Destroy GPT partition scheme absolutely, how? Message-ID: <DDEEDE89-AA72-47E8-9D52-A22A79E6CC2B@dons.net.au> In-Reply-To: <CANCZdfp%2BOq7cYz681zYB%2B1DWqXPgxcKN5kn_YdsgfyDNuQoEOQ@mail.gmail.com> References: <20160926150109.0d0d793e@hermann> <57E92726.2020605@gmail.com> <5484D815-4B17-456B-BA60-CC6F4E97AFE3@gmail.com> <1785064.lgVzRW13Wf@ralph.baldwin.cx> <C03C20AC-FE67-4D7C-8239-ED48F844EE38@dons.net.au> <CANCZdfp%2BOq7cYz681zYB%2B1DWqXPgxcKN5kn_YdsgfyDNuQoEOQ@mail.gmail.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
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