Tech – Mainframe

Posts related to the mainframe world

FAQ
JCL

Types of JCL Statements

30th June 2011 Rui Miguel Feio
JOB – Identifies the beginning of a job. The JOB statement informs the operating system of the start of a job, gives the necessary accounting information, and supplies run parameters. Each job must begin with a single JOB statement   EXEC – Indicates what work is to be done. EXEC (execute) statement […]
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Glossary

XCF Group

22nd May 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 […]
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Glossary

XCF Member

22nd May 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 […]
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Glossary

XCF Application

7th May 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 […]
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Glossary

Couple Data Sets

29th April 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 […]