On Thursday, 10/08/2009 at 01:55 EDT, Aria Bamdad <[email protected]> 
wrote:
> 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.

Yes, it would be.  But it won't ever be done if people don't submit 
requirements or get their names attached to existing ones.  :-)

The one thing you must not to do a tape cartridge is degauss it.  If you 
do, the servo tracks are destroyed and must be re-initialized before the 
tape can be used.

z/OS will prompt you and ask if it is ok to initialize a scrogged tape. 
z/VM will not.  (Another opportunity for a requirement.)

Alan Altmark
z/VM Development
IBM Endicott

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