Clearing the unallocated disk space
Michael D. Setzer II
mikes at kuentos.guam.net
Mon Nov 17 06:34:06 UTC 2014
On 17 Nov 2014 at 14:00, Ed Greshko wrote:
From: Ed Greshko <ed.greshko at greshko.com>
Date sent: Mon, 17 Nov 2014 14:00:26 +0800
To: Community support for Fedora users
<users at lists.fedoraproject.org>
Subject: Re: Clearing the unallocated disk space
Send reply to: Community support for Fedora users
<users at lists.fedoraproject.org>
> On 11/17/14 12:58, Tim wrote:
> > There have been cases of people getting refurbished drives which did
> > have the previous owners data on them.
>
> Do you have first hand knowledge of this or is this something you've just heard about?
>
> The reason I ask this is I have a friend that worked at WD in the HD manufacturing and refurbishment area a few years back. I had asked him about this very same thing. He indicated that WD had very strict quality control and he couldn't think of a way it would pass through their processes with previous data still intact.
>
> Or, maybe you're talking about cases where the drives aren't actually going back to the manufacturer?
>
Back in 2006 at Defcon there was a presentation on recovering data from
disks, and it went from simple tasks of using software to actually physically
opening the disks. The middle section covered repairing disks by replacing
the controller board. I've actually been able to get data off disks that have
gone bad by getting a disk on Ebay with the same board, and swapping it
out. Don't know if manufactures would do with a disk with a bad controller
board, or if they were to old to be actually resold after repairing them.
Someone may be able to buy these disks, and take working parts from a
couple to get some working.
Long ago, when I did an intership at a TV station, we had a big degausser to
erase the 3/4 inch tape cartridges. Would be nice to have that done with
disks that they can not repair to make sure.
> --
> If you can't laugh at yourself, others will gladly oblige.
>
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+----------------------------------------------------------+
Michael D. Setzer II - Computer Science Instructor
Guam Community College Computer Center
mailto:mikes at kuentos.guam.net
mailto:msetzerii at gmail.com
http://www.guam.net/home/mikes
Guam - Where America's Day Begins
G4L Disk Imaging Project maintainer
http://sourceforge.net/projects/g4l/
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