Stopping and restarting management of a CICS system

This section tells you how to:

Stopping management of a CICS system

To stop the MAS agent code in an active CICS system, either:

Stopping the MAS agent prevents CICSPlex® SM from accessing the MAS until either the CICS system is restarted (see topic Preparing to start an MVS MAS) or the COLM or CORM transaction is issued (see Restarting management of a CICS system).

Note:
When a MAS is active as a CICSPlex SM workload management routing region, and the dynamic routing program is set to EYU9XLOP, the STOP command is not honored. In this situation, before you issue the STOP command you must use the CICSRGND view to change the dynamic routing program from EYU9XLOP to the CICS default dynamic routing program, DFHDYP, or another valid dynamic routing program.

Restarting management of a CICS system

To reactivate a running CICS system as a MAS, issue the CICS transaction:

Start of change
COLM
For a local MAS
End of change
Note:
If you want a local MAS to be recognized as a workload management routing region when CICSPlex SM resumes managing the system, make sure the dynamic routing program is set to EYU9XLOP. To change the dynamic routing program, use the CICS CEMT transaction before you reactivate the local MAS.

Terminating a MAS

To verify that the CICSPlex SM MAS shutdown processing is properly installed, you can terminate the CICS system and check the log for the following shutdown message:

  EYUXL0016I  MAS shutdown complete

To terminate a CICS system running the MAS agent code, use the CICSRGN view to issue the desired shutdown command. For more information about the CICSRGN view, see the CICSPlex System Manager Operations Views Reference manual.

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