Fujitsu PRIMEQUEST 1000 Series User Manual page 580

Action:
(R/M/T/S)
14020
st:st[0-9]* Device error (Can't set default drive buffering mode) vendor=%v
model=%m
Meaning:
A device error occurred. Changing the tape drive buffering mode
(MODE_SELECT) failed.
%v: (Example) FUJITSU
%m: (Example) MAP3367NC
Corrective action:
Check whether the tape device supports the buffer value contained in the
message. If supported, a hardware failure occurred. Replace the drive.
Severity:
Warning
Action:
(R/M/T/S)
14021
st:st[0-9]* Software error (Can't allocate one page tape buffer)
Meaning:
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