CA VM:Tape has an exit that can instruct the service machine to perform a DSE 
on scratch mounts.  If you have the product, you could just enable the exit and 
scratch mount all of the tapes that you want to discard.

                                                 Dennis

My computer beat me at chess, but it was no match for me in kickboxing.

-----Original Message-----
From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf 
Of Aria Bamdad
Sent: Thursday, October 08, 2009 10:54
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: [IBMVM] zVM 'disk wiping'

It would be nice if the CMS TAPE command had a DSE option.  I pass tapes
through a degausser but would feel a lot better if I ran a DSE command where
the tape was erased from beginning to end.

> -----Original Message-----
> From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On
> Behalf Of David Boyes
> Sent: Thursday, October 08, 2009 11:54 AM
> To: IBMVM@LISTSERV.UARK.EDU
> Subject: Re: zVM 'disk wiping'
> 
> > Isn't it strange that I can find no requirements for the CMS TAPE
> > command
> > to support a "DSE" option?  And nothing about DSE for minidisk or
> tdisk
> > deallocation?  Apparently home-grown erasure solutions and shredding
> > are
> > good enough.
> 
> There were several a few years back, but IBM rejected them all because
> there were IPLable z/OS utilities (DSF was deemed "good enough") and
> third-party apps that performed the same task.
> 
> I can fix that lack if you prefer.
> 
> -- db

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