This is a good idea.  This is what we recommend to customers in their
primary storage pools.  I hadn't considered it for copy stg pools but it
will work just fine there too.  The only downside is forcing the scratch
limit on a daily basis.  You would want the daily backup stg to only use a
small number of tapes.  The only way to do that is to set maxscratch n
higher than the day before where n is the number of tapes you want to have
going to the off-site per day. And then during reclamation, you would need
to add some more so that processing can complete.

Hmmm, food for thought...

Kelly Lipp
Storage Solutions Specialists, Inc.
lipp AT storsol DOT com
www.storsol.com
(719) 531-5926