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Course Catalog » JES Curriculum » JES2 2.2 Series

Identify and Resolve JES2 System Problems 2.2

5 hours



This course looks at JES2 initialization parameters used to define JES2 system resources and the subsequent JES2 commands used to display and resolve problems that occur with these items. The JES2 shutdown process is revisited in more detail, providing information on problem resolution techniques if JES2 cannot be shut down gracefully.


Operators and systems programmers requiring the knowledge to resolve system related JES2 problems.


Basic knowledge of the z/OS system.


After completing this course, the student will be able to identify and resolve common JES2 system related problems.

Course Content

JES2 Data Set Requirements

Recognize the Definition of the JES2 Member of SYS1.PROCLIB

Recognize the Contents of the SYS1.PARMLIB Entry for JES2 Parameters

Static and Dynamic PROCLIB Concatenations

JES2 Commands Used to Create and Manage Dynamic PROCLIBs

JES2 Initialization

Understand the Sequence of Events that Occur During a Typical JES2 Startup

Role of the JES2MON, JESXCF and JES2AUX Address Spaces

Common JES2 Initialization Problems

Allocation Errors

Parameter Errors

Checkpoint Errors

Shutdown Problems

Shutdown Requirements

Identification of Problems During Shutdown

Use the $D JES2 Command to Display Shutdown Inhibitors

How JES2 Can Be Stopped When a Normal Shutdown is Not Possible

Identify and Resolve JES2 System Problems Mastery Test

Course Catalog » JES Curriculum » JES2 2.2 Series
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