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Glossary

Couple Data Sets

XCF – a sysplex couple data set to store information about its systems, the XCF groups and members running in the sysplex, and general status information. CFRM – The Coupling Facility Resource Management (CFRM) couple data set holds the CFRM policy, which allows you to define how MVS is to […]

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Glossary

Cross-System Coupling Facility (XCF) Services

XCF provides the services that allow multisystem application functions (programs) on one z/OS system to communicate with functions on the same or other z/OS systems. The communication services are provided through authorized assembler macros and are as follows: Group services Signalling services Status monitoring services       Group Services […]