I've done a little experimenting recently with virtual tape.  I
successfully did a DUPTAP from a physical tape drive to virtual and
vice versa.

The object size is 71gb on the virtual tape (VRT001) afterward.  I did
INZTAP on it.  Still 71gb.  So I did INZTAP clearing it.  Still 71gb.

So evidently, when it reaches a size, it stays that size.  Is there a
way to reduce it?  Disk space isn't a problem, but nightly backup
takes an extra 20 minutes and that's the only difference I know of.

I did a CHGATR ATR(*ALWSAV) VALUE(*NO) on it for now.


(BTW: I have 2 physical LTO2 tape drives. A Phys to Phys DUPTAP took
37 mins, Phys to Virt took 38 mins, Virt to Phys took 28 mins. All
with no system degradation.)

Jeff Crosby
VP Information Systems
UniPro FoodService/Dilgard
P.O. Box 13369
Ft. Wayne, IN 46868-3369

The opinions expressed are my own and not necessarily the opinion of
my company.  Unless I say so.

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