Well, of course I would find the doc a few minutes after asking the
question. (I had been looking for it as time permitted over the last few
days.)
Based on the reading of GC35-0099 "IBM 3480 .. Use's Reference", all the
z/OS macros for sending messages to the tape drive force the volid to be
in position 2-7 of the display.
Position 1 can be:
Blank = Verify
M = Mount
D = Demount
K = Keep (put in rack)
R = Retain (keep near by for additional use)
Position 8 can be:
Blank = Not at load point
S = Standard Label
N = No Label
A = AL Label
X = Non-Standard Label
Tony Thigpen
Tony Thigpen wrote on 11/9/18 10:55 PM:
From today's lunch discussion:
When our 3590's need an action, they display 8 characters. Normally, the
volid is positions 2-7.
We normally see 'K' (keep) or 'M' (mount) in the first position, but we
don't know if other characters are show in this position. We also don't
know the meanings of position 8.
Is there some manual that documents all the possible messages that z/OS
sends to the drive? And for bonus points, do all the different tape
managers, such as RMM, CA1 and Zara use the same standard?
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