Controlling IMS connections

You use IMS operator commands to control and monitor the connection to Db2.

About this task

/START SUBSYS
Connects the IMS control region to a Db2 subsystem.
/TRACE
Controls the IMS trace.
/DISPLAY SUBSYS
Displays connection status and thread activity.
/DISPLAY OASN SUBSYS
Displays outstanding units of recovery.
/CHANGE SUBSYS
Deletes an indoubt unit of recovery from IMS.
/STOP SUBSYS
Disconnects IMS from a Db2 subsystem.

IMS command responses are sent to the terminal from which the corresponding command was entered. Authorization to enter IMS commands is based on IMS security.