z/OS considerations

To make CTGBATCH and the Gateway daemon run in the same address space, set the _BPX_SHAREAS environment variable in STDENV to either YES or MUST.

The recommended value for the Gateway daemon is YES. If you set it to NO, they run in separate address spaces. If you do not set it, CTGBATCH issues a warning, and they run in separate address spaces. See Multiple address spaces for information about problem determination with multiple address spaces.

To run CTGBATCH and the Gateway daemon in a single address space with security active, CTGBATCH needs to be program controlled. For information about program control see Security error due to surrogate checking problem.

The setting of _BPX_SHAREAS can affect the JOBNAME that the user must specify when issuing system management commands to the Gateway daemon. If the JOBNAME is less than 8 characters in length, and the Gateway daemon runs in a separate address space, the JOBNAME to use for system management commands via TSO/SDSF is the base JOBNAME with a numeric suffix.


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Timestamp icon Last updated: Tuesday, 19 November 2013


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