To optimize the MVS configuration for the PowerExchange Logger, consider increasing the number of cross-coupling facility (XCF) groups.

PowerExchange uses IBM Cross-System Coupling Facility (XCF) services to provide communication between certain PowerExchange CDC components. The couple data set should be sized to accommodate the additional PowerExchange XCF groups and members.

If you use the Post-Log Merge option of the PowerExchange Logger, you need to plan for capacity for four XCF groups for each PowerExchange Logger. Otherwise, a single XCF group is used for a PowerExchange Logger.

Consult your MVS systems programmer to determine the number of existing XCF groups and ensure that additional XCF groups are available. PowerExchange CDC uses at least one, and up to four, XCF groups for each running PowerExchange Logger.