This message is issued each time the DB2 for z/OS ECCR connects to or disconnects from DB2. It reports the z/OS cross-coupling facility (XCF) member name of the ECCR, the DB2 relative byte address (RBA) that the ECCR is currently processing, and the RBA of the oldest UOW in progress.
The ECCR continues processing.
No response is required. Retain this information if you plan to issue a STARTLOC command.