Shared Tape Allocation Manager (STAM) Facility › Reserving Space for the STAM Control File › Sharing 3480, 3490E, or 3590 Tape Drives
For the CA VM:Tape STAM facility to initialize 3480, 3490E, or 3590 tape drives properly, the STAM parameter file must have an OPT entry specifying ASSIGN=NO.
