[Ilugc] Overwriting hard disk
tshrinivasan at gmail.com
Wed Dec 10 23:15:29 IST 2008
2008/12/10 Arun Khan <knura at yahoo.com>:
> One of my hard disk is showing symptoms of impending failure. Before
> sending it for replacement, I would like to blank out the entire disk
> (80GB in my case).
> Is the following sufficient?
> dd if=/dev/zero of=/dev/sdb1 bs=1K count=78148161 (sdb1 is the entire
> disk - MBR)
dd is fine.
Yo can use "shred" also.
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