2008/6/23 Andrew Falanga <[EMAIL PROTECTED]>:
> On Mon, Jun 23, 2008 at 2:23 PM, Roland Smith <[EMAIL PROTECTED]> wrote:
>>
>> I'm not sure about flash memory, but for a harddrive, simple writing 0's
>> is not a secure way to delete data. It can still be recovered.
>
> Actually, this is for an experiment that I want to start with a
> "clean" device for.  I'm not actually trying to obtain some level of
> security.

Assuming you do not have some geom provider on
said device

# dd if=/dev/zero of=/dev/da2 bs=1024k count=1

should wipe the partition table and superblock, which is
good enough for an insecure erase.

-- 
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