On 09/28/2013 04:14 PM, David G. Miller wrote:
> Steve Thompson <smt@...> writes:
>
>>
>> On Thu, 26 Sep 2013, Bret Taylor wrote:
>>
>>> A fairly simple solution is
>>> dd if=/dev/zero (or urandom) of=/dev/(device)
>>
>> I usually hit the disk with a hammer. Satisfying
>>
>> -s
>>
> I run badblocks in write mode on the drive. badblbocks does four passes
> (all zeroes, alternating ones and zeroes both ways and all ones). This is
> sufficient to keep all but a high-end forensics lab from getting anything
> useful off of the disk and even such a lab will have a hard time. For the
> OP's question, this lets him know that the disk is both clean and is still
> good to use.
How about using strong magnet on the drive :)
>
> For me, if badblocks says the disk is good, it goes on the shelf as a spare
> until it is hopelessly obsolete. Otherwise, the disk gets used for target
> practice. Also, very satisfying.
>
--
Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe
StarOS, Mikrotik and CentOS/RHEL/Linux consultant
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