[Cialug] Wiping server hard drives

[Jonathan C. Bailey]

I have considered taking them down to the range at the SO, but the Sheriff likes to keep a clean range.

Thermite would be fun, but questionable legality..

-Jon

----- Original Message -----
From: "Dave Hala Jr" <dave at 58ghz.net>
To: "Central Iowa Linux Users Group" <cialug at cialug.org>
Sent: Wednesday, October 19, 2011 5:27:48 PM
Subject: Re: [Cialug] Wiping server hard drives

Got any 7.62x39 ammunition? I've got a rifle.

:) Dave

On Wed, 2011-10-19 at 17:17 -0500, Jonathan C. Bailey wrote:
> As another (although not free) alternative, is anyone aware of someone in the Des Moines area that can shred drives? We have ~100 sitting in a box that need to be destroyed. Some of those don't even work anymore.
> 
> -Jon
> 
> ----- Original Message -----
> From: "Barry Von Ahsen" <barry at vonahsen.com>
> To: "Central Iowa Linux Users Group" <cialug at cialug.org>
> Sent: Wednesday, October 19, 2011 5:14:14 PM
> Subject: Re: [Cialug] Wiping server hard drives
> 
> what he said :)
> 
> if you don't have some regulation/compliance standard to adhere to, 
> shred/dd should be sufficient.  if you do have a standard, do whatever 
> it says :)
> 
> -barry
> 
> 
> 
> On 10/19/2011 5:06 PM, Josh More wrote:
> > Oh.
> >
> > On modern hardware, you don't actually need shred for a secure delete.
> >
> > http://www.anti-forensics.com/disk-wiping-one-pass-is-enough
> > http://www.anti-forensics.com/disk-wiping-one-pass-is-enough-part-2-this-time-with-screenshots
> >
> > So look at dd + /dev/zero.  Should be faster.
> >
> > -Josh
> >
> > On Wed, Oct 19, 2011 at 5:04 PM, Hasler, Chris<
> > ChrisHasler at alliantenergy.com>  wrote:
> >
> >> I should have mentioned in my first post that I have used DBAN in the past,
> >> but now I'm looking for other suggestions since it hasn't been recognizing
> >> the controllers in any of the servers I've had to wipe now.
> >>
> >> As mentioned I've been experimenting with shred.  I've been booted to the
> >> CentOS-6.0-x86_64-minimal.iso and selected the option for Rescue.  I don't
> >> enable networking or scan for the existing file system just jump into the
> >> shell.  Run a fdisk -l to see what disks are configured, /dev/sda for
> >> example, then run shred -vfz -n 3 /dev/sda.  This seems to do the same as
> >> the dd if=/dev/urandom of=/dev/sda bs=1G command but will run three
> >> iterations, well four actually since the -z option does a final overwrite
> >> with zeros at the end.
> >>
> >> Chris H.
> >>
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> >>
> >
> >
> >
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