The IMS Log Capture, and the zLogc Publisher used by the IMS Capture agent, VSAM Log Replicate and Keyed File. Compare Captured require read/write access to one or more system LogStreams.
The following RACF commands can be used to set access to the system Logstreams by the Capture and Publisher agents.
PERMIT MVSADMIN.LOGR CLASS(FACILITY) ACCESS(ALTER) ID(agent_userid)
RDEFINE FACILITY MVSADMIN.LOGR UACC(ALTER)
SETROPTS CLASSACT(FACILITY)
The Capture and Publisher components utilize z/OS system Logstreams for their high performance and high reliability. Both DASD Only and CF-Structure based LogStreams are supported. Instructions and sample JCL for defining the LogStreams can be found in the Capture Reference manuals.