With today's DASD the only way to ensure that the data is gone is to write 
garbage to cylinder after cylinder, volume after volume, until the device can 
no longer store anymore data.

________________________________________
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of 
Philip Tully
Sent: Friday, June 23, 2006 3:13 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: DASD Secure Erase


All auditors requirements vary, but at one point I was required to clear dasd 
during a disaster recovery test and we  were able to get by with a ickdsf 
format cyl 0-end of every data  volume.  This of course added signifant time to 
our process.

Phil 
----- Original Message -----
From: "Hughes, Jim - OIT" 
Date: Friday, June 23, 2006 2:41 pm
Subject: DASD Secure Erase
To: IBMVM@LISTSERV.UARK.EDU

> What software/procedure/etc. is accepted by auditors to erase 
> secure and
> sensitive data from your dasd?
> 
> _______________________
> Jim Hughes
> 603-271-5586
> "Impossible is just an opinion."
> "Your career is what you're paid for, your calling is what 
> you're made
> for."
> 

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