A Guide to JES3 to JES2 Migration
by Ricardo Paranhos, Lutz Kuehner, Luiz Fadel, Lydia Parziale
A Guide to JES3 to JES2 Migration
- Front cover
- Notices
- Preface
- Part 1 Planning to migrate from JES3 to JES2
- Chapter 1. Why JES2?
- Chapter 2. Terminology differences
- Chapter 3. Convergence of JES2 and JES3
- 3.1 JES2 to JES3 compatibility
- 3.1.1 JES2 health monitor
- 3.1.2 JES initialization deck checker
- 3.1.3 JES2 Health Check for Checkpoint Reconfiguration
- 3.1.4 Job Execution Control
- 3.1.5 Deadline scheduling
- 3.1.6 Priority aging
- 3.1.7 Support to eight-character job class name
- 3.1.8 Disk Reader Support
- 3.1.9 JES2 Multi Job NJE Job Streams
- 3.1.10 JES2 //*ROUTE XEQ Support
- 3.2 JES2-only functions
- 3.3 JES3-only functions
- 3.1 JES2 to JES3 compatibility
- Chapter 4. JES2 functions to help migration
- 4.1 JES3 to JES2 migration options
- 4.2 Job Execution Control concept
- 4.3 JES3 JECL processing support in JES2
- 4.4 Privileged support
- 4.5 JES2 initialization data set checker
- 4.6 SMF 84 record support
- 4.7 Eight-character JOB CLASS and JOB CLASS GROUP support
- 4.8 Interpreter after converter support
- 4.9 Functions similar to deadline scheduling
- 4.10 SPOOL management
- 4.11 JES2 Disk Reader
- 4.12 JES2 Multi-Job NJE Stream
- Chapter 5. JES procedure and initialization decks
- Part 2 Use case study
- Chapter 6. Customer experience case study
- 6.1 Migration steps overview
- 6.2 Planning and assumptions
- 6.3 JES2 system design
- 6.4 Educating stakeholders
- 6.5 Removing and replacing JES3 exits
- 6.6 Transforming JES3 special functions
- 6.7 Transforming JCL and JECL
- 6.8 Migrating system automation
- 6.9 Migrating security
- 6.10 Migrating your printer
- 6.11 Performance experience
- 6.12 Hints and tips
- 6.12.1 JCL errors
- 6.12.2 S722 abends in JCL
- 6.12.3 Lost printer names after transfer
- 6.12.4 Monitoring default job class A
- 6.12.5 Monitor JES2 resources
- 6.12.6 Modifying JES3 OUTSERV
- 6.12.7 NJE performance
- 6.12.8 REXX SPIN
- 6.12.9 NJE parms for time differences
- 6.12.10 Print delays
- 6.12.11 APPC abends
- 6.13 Ready to migrate
- 6.13.1 Preparing your sysplex
- 6.13.2 Shutting down JES3 sysplex
- 6.13.3 Restarting sysplex with JES2 MAS until TSO
- 6.13.4 Preparing NJE connection to JES2 MAS
- 6.13.5 Starting SPOOL migration
- 6.13.6 JES2 test cases
- 6.13.7 Restarting subsystem
- 6.13.8 Releasing your BATCH
- 6.13.9 Quitting your JES2 license
- 6.14 Project considerations
- Part 3 Appendixes
- Appendix A. Sample JES3 exit to analyze JECL usage
- Appendix B. Comparison of JES3 and JES2 commands
- Appendix C. Sample SMF84 Report program
- Appendix D. DJC conversion and JEC examples
- Appendix E. SPOOL partitioning exits sample code
- Appendix F. Alternative conversion programs
- Appendix G. Additional material
- Related publication
- Back cover
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