Re: TR: Best way to wipe data with AIX ?
From: Robert Binkley (leebinkley_at_YAHOO.COM)
Date: 09/15/05
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- In reply to: Hirter Marcel: "TR: Best way to wipe data with AIX ?"
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Date: Thu, 15 Sep 2005 07:07:24 -0700 To: aix-l@Princeton.EDU
drill a hole in each drive
--- Hirter Marcel <Marcel.Hirter@NE.CH> wrote:
> Hi,
> I would use diag certify media !!!
>
> -----Message d'origine-----
> De : Roger Deschner [mailto:rogerd@UIC.EDU]
> Envoyé : mercredi 14 septembre 2005 09:27
> Objet : Re: Best way to wipe data with AIX ?
>
>
> I've been following this, hoping for a good idea.
> I'm facing the same
> problem, and our auditors say none of that is
> acceptable. Allocating a
> big filesystem and running dd to write
> "Supercalifragilisticexpialidocious!" 10 zillion
> times on it will not
> do. Formatting with diag -> format is inadequate.
> Not even doing it many
> times. They want me to REALLY wipe the data out,
> using an Officially(tm)
> Certified(tm) Government Standard Compliant
> Disk-Wipe(tm) program,
> witnessed by two different people, each of whom must
> sign a printed log
> of the session. Only then will the auditors permit
> us to return a disk
> which has ever contained either personal or
> University-Owned data to any
> vendor.
>
> The only alternative they give us is to physically
> destroy the drives,
> and they give us alternatives for that ranging from
> the bizarre to the
> almost fun. Think David Letterman tricks with
> hydraulic punch presses.
> We could also degauss the drives, but a magnetic
> field that would be
> strong enough to satisfy their data destruction
> requirements, would also
> destroy the drive electronics, making them worthless
> to the vendor we
> will be sending them back to.
>
> Although they have basically invalidated every
> warranty and service
> contract on disk subsystems we have, there is no
> arguing with auditors.
> It's the law in Illinois, and we're a state agency.
> You do what they
> say, even though it is extremely time consuming. We
> are evaluating if,
> considering the personnel cost of wiping, it is more
> cost advantageous
> to simply destroy the drives.
>
> Disk-wipe programs exist in the Windows environment.
> (e.g. Stellar Wipe,
> Active@ Eraser) One Unix program I've found is the
> free Gnu-licensed
> wipe program, at http://wipe.sourceforge.net. Be
> sure to read the
> detailed academic paper that explains why all those
> other methods, from
> writing "Supercalifragilisticexpialidocious!" until
> the disk is full, to
> reformatting, are all inadequate, at
> http://wipe.sourceforge.net/secure_del.html
>
> However, even the government says that the only sure
> way to destroy data
> on magnetic media is to physically destroy the
> media.
>
> Roger Deschner University of Illinois at
> Chicago rogerd@uic.edu
>
>
> On Wed, 14 Sep 2005, Jim McD wrote:
>
> >Hi
> >
> >Always overwrite the entire disk, best do it
> several times.
> >
> >Using the deleting and formatting are just small
> alterations to the disk.
> >Data is still left on the disk and still accessible
> using non traditional
> >methods
> >
> >Regards Jim
> >
>
Robert Lee Binkley leebinkley@yahoo.com
IBM AIX Specialist Certified
HP-UX System Administration Certified
Work It's Nice To Be Important But It's More Important To Be Nice
- Previous message: Michael Schmolders: "Re: Best way to wipe data with AIX ?"
- In reply to: Hirter Marcel: "TR: Best way to wipe data with AIX ?"
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