Shutting down the CSL using z/OS commands

You can shut down the CSL as one unit by issuing the CSL SHUTDOWN command to any SCI in the IMSplex with the z/OS® MODIFY command interface. You can stop individual modular units in the IMSplex by issuing the z/OS STOP command to the address space you want to stop.

To shut down a CSL on one z/OS image, issue the z/OS MODIFY command as follows:

F scijobname,SHUTDOWN CSLLCL

This command shuts down the CSL on the z/OS image associated with the SCI that receives the command. Use this version of the command to shut down the CSL on a single z/OS image.

To shut down an entire IMSplex, issue the z/OS MODIFY command as follows:

F scijobname,SHUTDOWN CSLPLEX

This command shuts down the CSL managers on all z/OS images in a single IMSplex associated with the SCI that receives the command.

Note: To shut down the CSL managers using the SHUTDOWN CSLPLEX command, a local SCI is required. If you issue the SHUTDOWN CSLPLEX command on a system without an active SCI, the CSL managers will not shut down.

In each of these examples, scijobname is the name of the SCI in the CSL. After it receives the command, SCI notifies other CSL managers (ODBMs, OMs, and RMs) to stop, and then SCI stops. If clients are currently connected to any CSL manager and were not first stopped with a /CHE FREEZE or other command, message CSL0300I is issued, work is quiesced, and then the CSL manager stops.