> Everyone keeps asking everyone else, but no one ever asks *us*.  (sniff) 


What? And give Chuckie the opportunity to rant that such a request would 
require Lab resources better expended on other NEW work, when there are 
already other product$ available to meet the need?  Hah!  I laugh in the 
general direction of your ceaseless sniffing!  Maybe you need another dose 
of Adam's cough medicine - the one providing multi-symptom (not to be 
confused with muti-tasking) relief.  Next thing you know, Chuckie will 
want a pony, too! 

It's Friday, right?

Mike Walter 
Hewitt Associates 
Any opinions expressed herein are mine alone and do not necessarily 
represent the opinions or policies of Hewitt Associates.






"Alan Altmark" <[EMAIL PROTECTED]> 

Sent by: "The IBM z/VM Operating System" <IBMVM@LISTSERV.UARK.EDU>
07/18/2008 10:25 AM
Please respond to
"The IBM z/VM Operating System" <IBMVM@LISTSERV.UARK.EDU>



To
IBMVM@LISTSERV.UARK.EDU
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Subject
Re: Data Security Erase utility for z/VM tapes






On Friday, 07/18/2008 at 10:52 EDT, "McKown, John" 
<[EMAIL PROTECTED]> wrote:
 
> IIRC, you can erase a tape using a specific CCW called, cleverly, DSE.
> If you can write a small CMS program which uses this CCW, then you can
> ATTACH the drive to your CMS user, mount the tape, then run the program.
> For a 3490E drive, this is a CCW opcode of x'97'. You need to use
> command chaining to put a NOP command in the CCW string after this one.
> I don't have such a program. I also don't have access to a z/VM system.
> 
> If you have access to a z/OS system, then most tape management software
> has this facility. With CA-1, this is the CTSDEU program.

It sure would be nice if there were a requirement against z/VM to provide 
such a function.  Everyone keeps asking everyone else, but no one ever 
asks *us*.  (sniff) 

Alan Altmark
z/VM Development
IBM Endicott






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