[SATLUG] Cleaning Harddrives
bdubbs at swbell.net
Sun Apr 25 23:07:53 CDT 2004
>Why not just wipe it the same way you wipe a CD-RW or DVD-RW??? It
>writes all zeros to the optical drive.
>That's when I thought about using it for a hard drive. Worked there
>too. If I remember right, I used "dd if=/dev/zero of=/dev/hda". Took a
>little while for the 60Gig drive I wiped, but not a lot.
/dev/random is probably better than /dev/zero.
>I did it a second time on the same drive to clean off the MBR, and
>that's an easy one -- "dd if=/dev/zero of=/dev/hda ct=1 bs=512" or use
>1024 in the block size to be sure you get everything in the MBR.
>Oh -- I used Knoppix to boot up without touching the drive, then ran the
>wipes on the drive. Quite honestly, I never went back with a sector
>reading utility to be sure it did write zeros on the whole drive. But
>I'm pretty sure it worked. It sure does work for CD-RWs and DVD-RWs.
Using Tom's Root/Boot disk would probably be a faster boot than Knoppix.
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