Date: Fri, 11 Oct 2024 09:39:16 +0200 From: Markus Graf <markus.graf@markusgraf.net> To: questions@freebsd.org Subject: Re: How to zero a failing disk drive before disposal? Message-ID: <86cyk7hyl3.fsf@beasty.markusgraf.net> In-Reply-To: <CAFYkXj=HV3dk1TfM75hd-0sJtbo65oSPjKipW-EYN6ogYy_YTQ@mail.gmail.com> References: <5117.1728561469@segfault.tristatelogic.com> <CAFYkXj=HV3dk1TfM75hd-0sJtbo65oSPjKipW-EYN6ogYy_YTQ@mail.gmail.com>
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Years ago I heared the recommended way for embassies was to have an emergency set ready, consisting of a solid chisel and a heavy hammer. Make shure to shatter the disks. When you have time put your chisel to the the hard disk where the platters are, then hit hard. If in a hurry put the chisel to the laptop where the disks are an hit hard ;-) Tomek CEDRO <tomek@cedro.info> writes: > sysutils/ddrescue helped me to read broken drives several times, > it > retries then skips on errors. > > sysutils/e2fsprogs has program badblocks that can help disk > rebuild in > read only mode, or make things worse depending how its broken, > and you > can use it many loops of destructive write test to overwrite > data. > > the safest way to dispose sensitive data is by physical > destruction :-) -- Markus Graf
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