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Re: What is the universal (world wide) understanding behind degaussing harddisks?

From Dan Purgert <dan@djph.net>
Newsgroups linux.debian.user
Subject Re: What is the universal (world wide) understanding behind degaussing harddisks?
Date 2018-04-03 18:00 +0200
Message-ID <vAwvL-1rm-1@gated-at.bofh.it> (permalink)
References (1 earlier) <vA9Sx-3fF-3@gated-at.bofh.it> <vAavf-3KE-1@gated-at.bofh.it> <vAbhE-4iN-11@gated-at.bofh.it> <vAc41-4SL-1@gated-at.bofh.it> <vAvT4-1c6-3@gated-at.bofh.it>
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David Wright wrote:
> On Mon 02 Apr 2018 at 13:07:48 (-0500), John Hasler wrote:
>> Heating the disks to well above the Curie point of the magnetic coating
>> is guaranteed to destroy all the data.
>
> But how to determine what the curie point of the particular drives is
> might be taxing. And the contents of disks have been recovered from
> drives in buildings consumed by fire.

Not really. Toss into a crucible, wait until it has melted. In the event
the drives use "standard" ceramics, this is only about 1600 C (slightly
hotter than iron, slightly cooler than titanium)

Even your standard propane blowtorch will hit upwards of that
temperature in air.  Granted, you'd do better using a 2-gas propane +
oxygen (2800 C) or acetylene + oxygen (3100 C) setup.

-- 
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Thread

What is the universal (world wide) understanding behind degaussing harddisks? Turritopsis Dohrnii Teo En Ming <tdteoenming@gmail.com> - 2018-04-02 15:50 +0200
  Re: What is the universal (world wide) understanding behind  degaussing harddisks? Roberto C. Sánchez <roberto@debian.org> - 2018-04-02 16:10 +0200
    Re: What is the universal (world wide) understanding behind  degaussing harddisks? Ben Caradoc-Davies <ben@transient.nz> - 2018-04-02 23:30 +0200
  Re: What is the universal (world wide) understanding behind  degaussing harddisks? Michael Stone <mstone@debian.org> - 2018-04-02 17:50 +0200
    Re: What is the universal (world wide) understanding behind degaussing harddisks? John Hasler <jhasler@newsguy.com> - 2018-04-02 18:30 +0200
      Re: What is the universal (world wide) understanding behind  degaussing harddisks? Curt <curty@free.fr> - 2018-04-02 19:20 +0200
        Re: What is the universal (world wide) understanding behind  degaussing harddisks? Michael Stone <mstone@debian.org> - 2018-04-02 19:30 +0200
        Re: What is the universal (world wide) understanding behind degaussing harddisks? John Hasler <jhasler@newsguy.com> - 2018-04-02 20:10 +0200
          Re: What is the universal (world wide) understanding behind  degaussing harddisks? David Wright <deblis@lionunicorn.co.uk> - 2018-04-03 17:20 +0200
            Re: What is the universal (world wide) understanding behind   degaussing harddisks? Dan Purgert <dan@djph.net> - 2018-04-03 18:00 +0200
      Re: What is the universal (world wide) understanding behind  degaussing harddisks? Michael Stone <mstone@debian.org> - 2018-04-02 19:30 +0200
        Re: What is the universal (world wide) understanding behind degaussing harddisks? John Hasler <jhasler@newsguy.com> - 2018-04-02 21:50 +0200
  Re: What is the universal (world wide) understanding behind degaussing harddisks? rhkramer@gmail.com - 2018-04-02 19:40 +0200

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