[Bulk] Re:Writing over a drive using /dev/zero

[William O'Higgins Witteman]

On Wed, Dec 01, 2010 at 03:45:18PM -0500, Colin McGregor wrote:
>On Wed, Dec 1, 2010 at 3:28 PM, William Park <opengeometry-FFYn/CNdgSA at public.gmane.org> wrote:
>> Cheapest solution -- open the harddisk case, remove the platter, and
>> sandpaper the surface.
>
>That would be very good way to destroy a drive. A while back at a
>trade show I saw a video by a firm that did drive destruction (for
>banks and other firms that get obsessive about security) where they
>had a series of electric motor driven hammers that repeatedly hit the
>drives until they were in very tiny pieces, which I think would be a
>little quicker and far more visually appealing than sandpaper :-) .

I have always used my plumbing torch (propane) for this - magnets lose
their properties quite thoroughly when heated, and the heating required
for thin platters is very easily accomplished.
-- 

yours,

William

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