The stand-alone dump program cannot use the assigned tape device for the dump output volume. The device is currently assigned to another system.
If the stand-alone dump program is initializing the output volume, it will request another tape device by reissuing message AMD001A.
Reply to message AMD001A with the device number of a tape device that is not already assigned to another system.
Stand-alone dump (SADMP)
AMDSAIDD
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