gabriel rosenkoetter on Wed, 10 Jan 2001 14:47:27 -0500 |
On Wed, Jan 10, 2001 at 08:09:31PM +0100, MaD dUCK wrote: > just to confirm - if i have two identical harddisks, then having them > both in a linux system, unmounted, and doing a > > dd if=/dev/hdb of=/dev/hdc Should be fine, but I'm not positive dd respects partition maps (and writes them back out properly), so test hdc before you do this: > dd if=/dev/zero of=/dev/hdb > > a couple of times would securely screw all data on there... Erm... multiple times won't make much difference. Security deletes are usually acheived the same way memory tests are: write over with one pattern, then another pattern, then the first pattern again. Just dd'ing /dev/zero really ought to be sufficient, though... ~ g r @ eclipsed.net ______________________________________________________________________ Philadelphia Linux Users Group - http://www.phillylinux.org Announcements-http://lists.phillylinux.org/mail/listinfo/plug-announce General Discussion - http://lists.phillylinux.org/mail/listinfo/plug
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