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Identify and Resolve JES2 System Problems


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

recognise the Definition of the JES2 Member of SYS1.PROCLIB
recognise 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

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