Abstract for JES3 Diagnosis
This information supports z/OS® (5650-ZOS).
Purpose of this information
This information provides information for debugging JES3 and installation-written extensions of JES3. It describes the tools that JES3 users can use for debugging. This information is specifically designed for installations running z/OS.
Who should read this information
This information is intended for system programmers and IBM® service representatives or anyone who is responsible for diagnosing and correcting problems in JES3. Users of this information must have a working knowledge of JES3 functions.
How to use this information
This information contains information used by the system programmer for diagnosing JES3 problems.
- Diagnosing, Resolving, and Reporting JES3 ProblemsDiscusses a general methodology for diagnosing JES3 problems and includes topics about:
- Collecting an exact description of the problem.
- Gathering relevant system supplied data.
- Determining the system's status.
- Publications that assist in diagnosis.
- Recommendation for using JES3 dumps and Dump Core.
- Viewing the contents of a dump
- Viewing the JES3 control blocks
- Types of problems in JES3 and associated address spaces.
- Abends in JES3 address spaces
- Miscellaneous JES3 problems areas
- JES3 system abends in user address space
- Problems in the FSS address space
- Problems in the JES3DLOG address space
- Problems in the JESXCF address space
- Problems in the BDT address space
- Typical JES3 problems and their resolution
- Job related diagnosis
- Reporting a problem to IBM.
- General Diagnosis Discusses facilities and tools used for general system diagnosis. This discussion includes the format of trace tables and use of JES3 diagnostic facilities, such as descriptions of:
- JES3 Trace Tables
- FSS Trace Output
- SNA RJP Trace Output
- Dump Job Traces
- Output Service Output
- Networking Logging Facility
- IOERR Output
- GTF Trace Output
- Job Validation SNAP Output
- Using IPCS to View JES3 Information
Discusses using the interactive problem control system (IPCS) to diagnose JES3 problems.
- JES3 Formatted dump
Discusses how to identify areas in a formatted dump of a JES3 or C/I Functional Subsystem (FSS).
- JES3 Monitoring Facility
Provides a description on how system programmers can use the JES3 Monitoring Facility (JMF) to obtain statistical data of the system.
- Reading a JMF hardcopy report
Provides a description of the JMF hardcopy report and a description of how to generate a report using SMF records.
- JES3 Recovery Describes the following recovery procedures:
- JES3 and C/I Functional Subsystem Failsoft
- Alternate CPU Recovery
- Reconfiguring a Processor Complex
- Restarting JES3 After a Failure
- JES3 Checkpoint Data Sets
- Dynamic System Interchange
- BSC RJP Recovery
- Recovering from Output Writer Functional Subsystem Failures
- Recovering from SAPI Failures
- Recovering an IBM 3480 Tape Drive for a Stand-Alone Dump
- Recovering from Spool I/O Errors
- Recovering from C/I Functional Subsystem Address Space Failures