On 11/16/2014 09:46 PM, Bruno Wolff III wrote:
On Sun, Nov 16, 2014 at 2:04 PM, jd1008 <jd1008@xxxxxxxxx
<mailto:jd1008@xxxxxxxxx>> wrote:
Before sending the drive for warranty service, what is the best
way to clean the unallocated blocks?
If this is really important to you, just eat the cost of the drive and
destroy it instead of sending it back.
If not modern drives provide a secure erase function and you should
use that. You can use hdparm to do this.
Thank you Bruno.
I had come across some sites a couple of years ago that claimed all
modern drives
have some number of gigabytes that are not touched by hdparm and are
also untouched by using dd /dev/zero into the unmounted disk.
How can anyone ascertain this unless one is a disk drive HW engineer
and can tell the pieces of electronics inside the disk, and even on it's
controller.
If any part of this is true, then destruction seems to be the only
alternative for
all security and privacy minded users.
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