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by Ricardo Paranhos, Lutz Kuehner, Luiz Fadel, Lydia Parziale
A Guide to JES3 to JES2 Migration
Front cover
Notices
Trademarks
Preface
Authors
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Part 1 Planning to migrate from JES3 to JES2
Positioning for migration
Chapter 1. Why JES2?
1.1 Introduction
1.2 Job Entry Subsystem
1.3 JES2 availability
1.3.1 MAS members
1.3.2 JES2 resiliency
1.4 JES2 job management
1.4.1 Email Delivery Service
1.5 JES2 security
1.5.1 Data encryption
1.5.2 Passphrase support
1.6 JES2 and JES3 compatibility
Chapter 2. Terminology differences
2.1 JES3 terminology
2.2 Different use of terms
2.2.1 Non-specific JES2 and JES3 references
2.2.2 Collections of JESes
2.2.3 JES startup processing
2.2.4 JES parameter statements
2.2.5 SYSOUT processors
2.2.6 Remote workstations
2.2.7 JES threads
2.2.8 Multiple JES2 instances
2.2.9 JES initialization statements
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
3.2.1 Job correlator
3.2.2 SPOOL migration
3.2.3 Encrypting and compressing spool data sets
3.2.4 JES2 Policies
3.2.5 Instruction Execution Protection
3.2.6 z/OSMF asynchronous job notifications
3.3 JES3-only functions
3.3.1 Data Set Name disposition conflict resolution
3.3.2 Spool partitioning
3.3.3 Job class group
3.3.4 Printer naming conventions usage
3.3.5 Main Device Scheduling
3.3.6 JES3 device control and device fencing
Chapter 4. JES2 functions to help migration
4.1 JES3 to JES2 migration options
4.2 Job Execution Control concept
4.2.1 Job group concept
4.2.2 Deadline scheduling
4.3 JES3 JECL processing support in JES2
4.3.1 Activating JES3 JECL support
4.3.2 //*NET support detail
4.3.3 //*ROUTE XEQ support detail
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
4.7.1 JOB CLASS GROUP support
4.8 Interpreter after converter support
4.9 Functions similar to deadline scheduling
4.9.1 HOLDUNTL on SCHEDULE JCL statement
4.9.2 STARTBY on SCHEDULE JCL statement
4.9.3 WITH= on SCHEDULE JCL statement
4.10 SPOOL management
4.11 JES2 Disk Reader
4.11.1 SUBMITLIB concatenation
4.11.2 SUBMITRDR initialization statement
4.11.3 $SUBMIT command
4.12 JES2 Multi-Job NJE Stream
Chapter 5. JES procedure and initialization decks
5.1 Introduction
5.2 Initialization statements
5.2.1 Verifying the JES initialization deck
5.3 JES procedures
5.3.1 JES2 procedure
5.3.2 JES3 procedure
5.3.3 Other procedures
5.4 Automation considerations
5.5 JES2 policies
5.5.1 Policy definition syntax rules
5.5.2 Policy type supported by JES2
5.5.3 Commands that are used to manage POLICYLIB
5.5.4 Commands that are used to manage policies
5.5.5 JES2 policy example
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
6.8.1 New JES2 messages
6.8.2 CKPT reconfiguration
6.8.3 Replacement for JES3 unique functions
6.9 Migrating security
6.9.1 JES3 prefixed profiles
6.9.2 New JES2 command profiles
6.9.3 SDSF and EJES considerations
6.10 Migrating your printer
6.10.1 FSS address spaces
6.11 Performance experience
6.11.1 CPU use comparison
6.11.2 Dynamic checkpoint
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
6.14.1 Project organization
6.14.2 Project timeframe
Part 3 Appendixes
Appendix A. Sample JES3 exit to analyze JECL usage
Sample JES3 user exit 33
Appendix B. Comparison of JES3 and JES2 commands
List of commonly used JES3 and JES2 commands
Appendix C. Sample SMF84 Report program
Source code of SMF84RPT program
Appendix D. DJC conversion and JEC examples
DJC conversion test results
Using JES2 JEC
Appendix E. SPOOL partitioning exits sample code
E.1 Sample exits overview
E.2 Exit 11 program source code
E.3 Exit 12 program source code
E.4 Other code used by exits
Appendix F. Alternative conversion programs
z/OSEM
ThruPut Manager Automation Edition
Appendix G. Additional material
Locating the web material
Using the web material
Related publication
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A Guide to JES3 to JES2 Migration
Back cover
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ISBN 0738458201
SG24-8427-01
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