On Apr 4, 2009, at 3:42 PM, Dan wrote:

> Ok... Just for kicks... I've got a drive here and a honking big
> magnet.  The magnet is so strong that once it grabs the drive, it
> won't let go unless I pin the drive down with my feet and wiggle the
> magnet off with both hands.  After an hour of that exposure... I
> hooked the drive up and ..... it works fine.  Most of the data seems
> intact; very little seems scrambled.  And Disk Utility found no
> errors in the file system.
>
> I'd say one needs a lot more powerful mechanism - like a real a/c  
> degausser.

And even so, if the data on the drive is very sensitive, since she  
has no way of testing whether the scrambling worked, she would never  
know if it was successfully erase (or still usable).


==============================
        Joe the Juggler
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        (314) 771-3243
        http://joethejuggler.com
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