On Tue, 24 Oct 2023 09:52:26 +0300, Arye Shemer <[email protected]> wrote:
>For several  reasons (I am not allowed to disclose and.not entirely
>agreed by our side) all rejected by this specific customer.

I've been thinking about this some more, and there may be a solution acceptable 
to the customer, on the assumption we're talking about an IBM TS7700.

When you insert new VM volumes, set the SC and SG in the UI.  All those tapes 
will end up in the cloud once they are used. You might want to have two ranges 
and two TMS pools, one for each range.  This will get you a pool of tapes that 
stay resident and pool that reside in the cloud.

If you just want one pool with everything in the cloud, then you need to change 
the management constructs of existing volumes.  That can be done in the UI, but 
they won't move to the cloud until the next time they are mounted.   (Since VM 
doesn't have the LIBRARY command, you can't do a PARTRFSH MMOUNT.)

So, it *can* be done, but any management has to be done via the UI.  The TMS 
cannot adjust the management constructs.

Alan Altmark
Senior z/VM Architect and Consultant
IBM

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