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JCL Initiator

What is an initiator in JCL and what is the use of it?

Total Answers and Comments: 1

Last Update: May 13, 2009 Asked by: Yuvan.Kumarakam

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May 13, 2009 08:46:45

IOAControlM

Member Since: May 2009 Contribution: 1

RE: JCL Initiator

The Initiator paramater in a JCL is used in the JCL Jobcard for example below the Initiator parm is CLASS A.

//Job12345 JOB (acccode) 'This is a JobCard'

// CLASS A MSGCLASS X MSGLEVEL (1 1)

This enables a batch job to run in a TSO address space via a JES INITIATOR in the example above initiator class defined as A.

JES initiators are configured by your systems programmers and can be either numeric or alpha - depending upon your site standards.

Initiator 'classes' can also be defined to control resource allocations for different jobs running in different initiator classes i.e. jobs running in a particular class might have more resources i.e. CPU etc than those of a different class ~ this is site specific and your systems programmers should be able to tell you what the classes are and their differing priorities.

Hope this helps?

Cheers

Mr IOA-Control-M

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