Isn't it possible to avoid replying to the mount requests when you use 3590?
The AUTOLOADER=YES parameter can only be specified if DEVICE
CLASS=CARTRIDGE, but with 3590 the device class must be 3590.  If you have a
backup which takes more than one tape, you must have an operator to answer
the request.

Saludos / Regards / Au revoir

Rafael J. Goldschmidt -
Elcano 5039 (C1427CII)
Ciudad Autonoma de Buenos Aires - Argentina
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Internet: rafagold AT arnet.com DOT ar