[TriLUG] HD Block Size (newbieish question)

[Corey Mutter]

On Mon, Jul 28, 2003 at 06:16:39PM -0400, Jeremy Katz wrote:
> On Mon, 2003-07-28 at 17:27, Joseph Tate wrote:
> > More secure (if you're paranoid).  Military grade disk wiping does 3-5 
> > passes of random data writing.  Evidently some evidence still remains 
> > after writing a zero what its original value was.  This evidence might 
> > not be legible by standard mechanisms, but if someone wants it badly 
> > enough could determine it.  For handing a disk off to a friend, 
> > /dev/zero would probably be just fine.
> 
> If you're paranoid, even this isn't going to be enough.  Modern drives
> regularly do bad sector remapping on the fly at the firmware level
> before it ever gets to the OS.  So if you've had any bad sectors on your
> drive (and you do :), then there will still be data on those sectors
> that can be recovered.
> 
> Jeremy

Take off, and nuke the drive from orbit.
It's the only way to be sure :-)

Corey

> 
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