From: Tom Russell
...
JES2 would allocate as many tapes as there were steps, and rewind an
unload the volume after each step and issue a mount for the same volume
on the next tape drive.
...
Not quite Tom.
Device allocation for JES2 occurs at step initiation.
Each step would allocate a single device. If RETAIN was coded AVR would
recognize the mounted volume and reuse the same device for the next step.
Dan D
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