Re: Properly wiping a hard drive ?

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  On 10/09/2010 01:29 AM, Linuxguy123 wrote:
> On Sat, 2010-10-09 at 02:27 -0600, Linuxguy123 wrote:
>
>> > From man hdparm:
>>
>>   --security-erase PWD
>>                Erase  (locked)  drive,  using password PWD (DANGEROUS).
>> Password is given as an ASCII string and is padded
>>                with NULs to reach 32 bytes.  Use the special password
>> NULL to represent an empty password.  The  applicable
>>                drive  password is selected with the --user-master switch.
>> No other flags are permitted on the command line
>>                with this one.  THIS FEATURE IS EXPERIMENTAL AND NOT WELL
>> TESTED. USE AT YOUR OWN RISK.
>>
>>
>> In actual use:
>>
>> # hdparm --security-erase NULL /dev/sdd
>> security_password=""
>>
>> /dev/sdd:
>>   Issuing SECURITY_ERASE command, password="", user=master
>> ERASE_PREPARE: Invalid exchange
>>
>> Why ????
> I have this drive connected via a USB adapter.   Would that cause this
> problem ?
>
>
Do you have a system where you can connect the drive
directly to a sata port, or if IDE, to an IDE port, and retry?

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