On Jan 27, 2009, at 12:19 AM, Brian Christmas wrote:
>>
> G'day Bruce
>
> From the dim, dark recesses of my feeble mind I remember reading
> somewhere that Apple tried a 4 and 8 pass choice, but 4 passes did not
> fully erase the drive, hence the only choice of 8 passes for a full,
> secure erasure when disposing of a drive, and a single pass if you
> intended to  re-use the drive yourself.
>
> Might be faster to D&D (dismantle and destroy).
>


I'm late to this thread, but I'd thought I'd ask:

Why isn't "1 Pass", Writing Zeroes, sufficient to wipe a disk clean?

Isn't that "7 Passes", a DoD (Department of Defense-iveness)  
government hoopla /  hangup / thingy?

Something to give government workers something else useless to do?  (I  
use to "work" for the General Accounting Office). Apologies to current  
government workers in advance.



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