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Date:      Mon, 22 Aug 2005 18:57:58 -0600
From:      Danny MacMillan <flowers@users.sourceforge.net>
To:        Sebastian Pahlke <sp.ibm@gmx.de>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: dd is so slow on my SCSI disc
Message-ID:  <430A7496.6080206@users.sourceforge.net>
In-Reply-To: <007301c5a755$ea1ee840$6701a8c0@monster>
References:  <007301c5a755$ea1ee840$6701a8c0@monster>

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Sebastian Pahlke wrote:
> Hi all,
> 
> I'm trying to "clean" a disc before selling them:
> 
> dd if=/dev/zero of=/dev/da0

You may want to consider using /dev/random instead of, or in combination
with, /dev/zero.  Zeroing out a disk isn't a significant barrier to
forensic analysis.




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