Use the VMTSTF utility to format the STAM control file. The STAM control file maintains information about the status of tape drives shared by more than one system or more than one CA VM:Tape machine on the same system. When CA VM:Tape systems share tape drives, the control file must be formatted with VMTSTF before using the STAM facility.
MVS systems can participate in tape drive sharing using CA MIA from CA. For more information about the CA VM:Tape interface to CA MIA, see CA MIA.
The VMTSTF utility reads the STAM parameter file and builds a framework for the locks that STAM uses to allocate drives. Each system has a reserved area on the STAM control file disk which is used to hold locking information for that system in addition to control information for that system. The control information includes a list of devices defined to that system.
Note: Every time you modify the STAM parameter file, you should execute the VMTSTF utility to ensure that the structure of the STAM control disk area is updated with the change. The CA VM:Tape STAM facility reads the STAM parameter file and expects the control disk to match those specifications. Any variance could result in unpredictable behavior. For more information about the STAM parameter file, see STAMPARM Record.
|
Copyright © 2013 CA.
All rights reserved.
|
|