Configuring the Parameter Library (Parmlib) › Product Verification › Renaming the SVTS and SVTSAS PROCs

Renaming the SVTS and SVTSAS PROCs

In an environment where multiple CA Vtape Subsystems will be active on the same LPAR, having multiple PROCs with unique names may make it easier for the operations and technical support personnel to monitor and manage CA Vtape. To support this environment the SVTSCE PROC can be renamed.

There are two cautions that must be observed when renaming these PROCS:

• The PROC cannot be renamed to a CA Vtape Subsystem-ID (SVTn where n = 1-8).

  This could cause the tasks to be started under the MASTER subsystem instead of JES resulting in JCL errors or other problems.

• If the SVTSAS PROC is renamed, the SubaddressSpaceName attribute in the Startup Options Section of the OSPARMS parmlib member must be set to &JOBNAME.

When renaming and creating multiple sets of PROCs, a pattern like SVTSCE1, SVTSCE2, SVTSCE3, and so on, allows for easy identification of the Subsystem and its sub address spaces. In these PROCs the SVTS parameter would be set to their corresponding subsystem-ID (SVTS=SVT1, SVTS=SVT2, and so on).

The presence of the last digit of the subsystem-ID in the PROC name would reinforce the need to use the proper console command prefix or SVTS parm value when issuing commands or running reports to investigating a particular subsystem. When investigating the SVTSCE2 tasks, it would logically follow that console commands should be issued with a command prefix of SVT2 and utility jobs should use a parm of SVTS=SVT2.

When starting or stopping the renamed PROCs, S/P SVTSCEn, where n is the last digit of the appropriate subsystem-ID would suffice. When restarting a Virtual Tape Controller address space, the command prefix would control the restart. SVT1 R CU=1 would restart SVTSCE1.SVT1V1, the Virtual Control Unit address space one for the SVT1 Subsystem.

Continuing with the example of above, the sub address spaces will use the same PROC as the main address space. If the PROC name is SVTSCE1 and two Virtual Control Unit address spaces are started by the main task, you will see three started tasks executing on your system with job names of SVTSCE1. The main task will have a step name of SVTS or SVT1. The controllers will have step names of SVT1V1 and SVT1V2.

If you prefer that the sub address spaces use a different PROC name, you can copy the SVTSCE1 PROC to a new member, for example SVTSCE1A. You would then set the SubaddressSpaceName attribute in the Startup Options Section of the OSPARMS parmlib member to a value of SVTSCE1A. When SVTSCE1 is started after the change, the main task will still be SVTSCE1 with a step name of SVTS or SVT1. It will start the sub address spaces with the SVTSCE1A PROC so that the two sub address spaces will have job names of SVTSCE1A with step names of SVT1V1 and SVT1V2.