XCF Group

May 22, 2011 Rui Miguel Feio

A group is the set of related members defined to XCF by a multisystem application in which members of the group can communicate with other members of the same group. A group can span one or more of the systems in a sysplex and represents a complete logical entity to […]

XCF Member

May 22, 2011 Rui Miguel Feio

A member is a specific function (one or more routines) of a multisystem application that is joined to XCF and assigned to a group by the multisystem application. A member concept applies to all authorized routines running in the address space that issued the IXCJOIN macro service. Only for termination […]

XCF Application

May 7, 2011 Rui Miguel Feio

An application in a XCF context is a program that has various functions distributed across z/OS systems in a multisystem environment. An application or subsystem might consist of multiple instances, each running on a different system in the same sysplex. Typically, each instance performs certain functions for the application as […]

Couple Data Sets

April 29, 2011 Rui Miguel Feio

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 […]

Cross-System Coupling Facility (XCF) Services

April 25, 2011 Rui Miguel Feio

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 […]

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