12.02.2013 22:53, Robert пишет:
> Greetings
> 
> I am trying to reuse a 500G harddrive that was previously part of an
> NVIDIA raid in a windows box.
> 
> I have tried to clean the disk using "dd if=/dev/zero of=/dev/raid/r0
> bs=1m". The dd program completed but the raid info is still on the disk,

That's because RAID metadata is stored outside RAID itself (/dev/raid/r0),
it occupies last sectors of physical disks. It can be erased with "graid 
delete" command,
please read man graid. You need operate on its "Geom name" from "graid list | 
fgrep Geom" command,
not on symbolic name /dev/raid/r0. You may also need -f flag (again, read man 
graid).

Eugene Grosbein
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