Front cover -- Contents -- Notices -- Trademarks -- Preface -- The team that wrote this redbook -- Comments welcome -- Chapter 1. Introduction -- 1.1 Why this book was produced -- 1.2 Starting and ending points -- 1.2.1 BronzePlex -- 1.2.2 GoldPlex -- 1.2.3 PlatinumPlex -- 1.3 Structure of each chapter -- 1.3.1 Are multiple subplexes supported or desirable -- 1.3.2 Considerations checklist -- 1.3.3 Implementation methodology -- 1.3.4 Tools and documentation -- 1.4 Terminology and assumptions -- 1.4.1 'Plexes -- 1.5 "Gotchas" -- 1.5.1 Duplicate data set names -- 1.5.2 Duplicate volsers -- 1.5.3 TCP/IP -- 1.5.4 System Logger -- 1.5.5 Sysplex HFS sharing -- 1.5.6 Legal implications -- 1.6 Updates to this document -- Chapter 2. Sysplex infrastructure considerations -- 2.1 One or more XCF subplexes -- 2.2 CDS considerations -- 2.2.1 MAXSYSTEM CDS parameter -- 2.2.2 General CDS guidelines -- 2.3 Cross-System Coupling Facility -- 2.3.1 Considerations for merging XCFs -- 2.4 Coupling Facility Resource Management -- 2.4.1 Considerations for merging CFRM -- 2.5 Sysplex Failure Management -- 2.5.1 Considerations for merging SFM -- 2.6 Automatic Restart Manager -- 2.6.1 Considerations for merging ARM -- 2.7 Tools and documentation -- Chapter 3. System Logger considerations -- 3.1 One or more LOGRplexes -- 3.2 Considerations for merging System Loggers -- 3.2.1 System Logger fundamentals -- 3.2.2 Considerations for different target environments -- 3.2.3 Considerations for the merge -- 3.3 Methodology for merging System Loggers -- 3.4 Tools and documentation -- Chapter 4. WLM considerations -- 4.1 One or more WLMplexes -- 4.1.1 Compatibility mode considerations -- 4.1.2 Configuration options -- 4.2 Merging WLMplexes -- 4.3 Considerations for merging WLMplexes -- 4.4 Methodology for merging WLMplexes -- 4.5 Tools and documentation -- 4.5.1 Tools.

4.5.2 Documentation -- Chapter 5. GRS considerations -- 5.1 One or more GRSplexes -- 5.1.1 Star complex -- 5.1.2 Ring complex -- 5.1.3 Target environments -- 5.1.4 Why convert to a Star complex -- 5.2 Considerations for merging GRSplexes -- 5.3 Methodology for merging GRSplexes -- 5.3.1 Merging into a Star complex -- 5.3.2 Merging into a Ring complex (sysplex matches complex) -- 5.3.3 Merging into a Ring complex (mixed GRS complex) -- 5.4 Tools and documentation -- 5.4.1 Tools -- 5.4.2 Documentation -- Chapter 6. SMF considerations -- 6.1 Managing your SMF data -- 6.2 Considerations when merging systems into a sysplex -- 6.3 Tools and documentation -- 6.3.1 Tools -- 6.3.2 Documentation -- Chapter 7. JES2 considerations -- 7.1 JES2 configurations -- 7.2 Methodology for merging JESplexes -- 7.3 Moving to a multi-JESplex environment -- 7.4 Moving to a single JES2plex environment -- 7.4.1 SDSF considerations -- 7.5 Tools and documentation -- Chapter 8. Shared HFS considerations -- 8.1 One or more HFSplexes -- 8.2 Considerations for merging HFSplexes -- 8.3 Methodology for merging HFSplexes -- 8.4 Tools and documentation -- 8.4.1 Tools -- 8.4.2 Documentation -- Chapter 9. Language Environment considerations -- 9.1 Language Environment -- 9.2 LE considerations when merging systems into a sysplex -- 9.3 Compatibility -- 9.3.1 Upward compatibility -- 9.3.2 Downward compatibility -- 9.4 LE run-time options -- 9.4.1 Displaying the run-time values in batch -- 9.4.2 Obtaining the run-time values in CICS -- 9.5 Tools and documentation -- 9.5.1 Tools -- 9.5.2 Documentation -- Chapter 10. System data set considerations -- 10.1 Introduction -- 10.2 System symbols -- 10.3 Sharing sysres -- 10.3.1 Considerations for merging sysres' -- 10.3.2 Methodology for moving to a shared sysres -- 10.4 Sharing Master Catalogs -- 10.4.1 Considerations for merging Master Catalogs.

10.4.2 Methodology for merging Master Catalogs -- 10.5 Sharing Parmlib -- 10.5.1 MSTJCLxx Parmlib member -- 10.5.2 COMMNDxx Parmlib member -- 10.5.3 Merging Parmlibs -- 10.6 Proclibs and TSO-related files -- 10.6.1 Merging Proclibs and TSO-related files -- 10.7 Tools and documentation -- 10.7.1 Tools -- 10.7.2 Documentation -- Chapter 11. VTAM considerations -- 11.1 Overview of scope -- 11.1.1 VTAM's job -- 11.1.2 Subarea networking -- 11.1.3 APPN networking -- 11.1.4 How VTAM uses XCF -- 11.1.5 VTAM Generic Resources -- 11.1.6 MultiNode Persistent Sessions -- 11.2 One or more VTAMplexes -- 11.3 Considerations for merging VTAMplexes -- 11.4 Documentation -- Chapter 12. TCP/IP considerations -- 12.1 One or more TCPplexes -- 12.1.1 Target environments -- 12.2 TCP/IP in a sysplex -- 12.2.1 DYNAMICXCF -- 12.2.2 Routing in a sysplex -- 12.2.3 Dynamic VIPA -- 12.2.4 DNS/WLM - Connection Optimization -- 12.2.5 External IP workload balancing -- 12.2.6 Sysplex Distributor -- 12.2.7 TCPplex prerequisites -- 12.3 Considerations for merging TCPplexes -- 12.4 Tools and documentation -- Chapter 13. RACF considerations -- 13.1 One or more RACFplexes -- 13.2 Considerations for merging RACFplexes -- 13.3 Methodology for merging RACFplexes -- 13.3.1 Before you start -- 13.3.2 RACF exits -- 13.3.3 Synchronize RACF options -- 13.3.4 Synchronize the Class Descriptor Table (ICHRRCDE) -- 13.3.5 Synchronize the router table (ICHRFR01) -- 13.3.6 Global Access Checking Facility -- 13.3.7 RACF database merge -- 13.3.8 Things not handled by DBSYNC -- 13.3.9 Password synchronization -- 13.3.10 Cutover -- 13.3.11 Summary -- 13.4 Tools and documentation -- 13.4.1 Tools -- 13.4.2 Documentation -- Chapter 14. SMS considerations -- 14.1 One or more SMSplexes -- 14.2 Considerations for merging SMSplexes -- 14.3 Methodology for merging SMSplexes -- 14.4 Tools and documentation.

Chapter 15. DFSMShsm considerations -- 15.1 One or more HSMplexes -- 15.2 Considerations for merging HSMplexes -- 15.3 Methodology for merging HSMplexes -- 15.3.1 Merging the CDS -- 15.3.2 Backout -- 15.4 Tools and documentation -- Chapter 16. DFSMSrmm considerations -- 16.1 One or more RMMplexes -- 16.2 Considerations for merging RMMplexes -- 16.3 Methodology for merging RMMplexes -- 16.3.1 Merging the CDSs -- 16.3.2 Backout -- 16.4 Tools and documentation -- 16.4.1 Tools -- 16.4.2 Documentation -- Chapter 17. OPC considerations -- 17.1 One or more OPCplexes -- 17.2 Considerations for merging OPCplexes -- 17.2.1 General notes about the merge project -- 17.3 Methodology for merging OPCplexes -- 17.3.1 Merging OPC system-related definitions -- 17.3.2 Merging the OPC databases -- 17.4 Tools and documentation -- 17.4.1 Tools -- 17.4.2 Documentation -- Chapter 18. System Automation for OS/390 considerations -- 18.1 One or more SA/390 environments -- 18.2 Checklist of considerations for merging SA/390 -- 18.3 Tools and documentation -- 18.3.1 Tools -- 18.3.2 Documents and References -- 18.3.3 Group forums -- Chapter 19. Operations considerations -- 19.1 One or more HMCplexes -- 19.1.1 Considerations for merging HMCplexes -- 19.1.2 Security -- 19.1.3 Optical and I/O error analysis -- 19.1.4 Remote access -- 19.1.5 Methodology for merging HMCplexes -- 19.2 Consoles -- 19.2.1 EMCS security -- 19.2.2 Systems Network Architecture (SNA) MCS -- 19.2.3 Console recommendations -- 19.2.4 Considerations for merging consoles -- 19.2.5 Console philosophy -- 19.3 General operations procedures -- 19.3.1 IPL procedures -- 19.3.2 Sysplex Failure Management and Automatic Restart Manager -- 19.3.3 Operational Efficiency -- 19.3.4 JES2 Multi-Access Spool -- 19.3.5 WLM-Managed Initiators -- 19.3.6 Automatic Tape Switching (ATS Star) -- 19.3.7 Shared sysres.

19.3.8 Useful Commands -- 19.3.9 Housekeeping -- 19.4 Tools and documentation -- 19.4.1 Tools -- 19.4.2 Documentation -- Chapter 20. Hardware configuration considerations -- 20.1 Introduction -- 20.2 Assumptions -- 20.3 Considerations when merging systems into a sysplex -- 20.4 Single or multiple production IODFs -- 20.4.1 How many master IODFs -- 20.4.2 How many cloned IODFs -- 20.5 HCD and I/O Operations -- 20.5.1 HCD and I/O Operations relationship -- 20.6 Activating a new I/O configuration -- 20.6.1 Performing the dynamic I/O reconfiguration -- 20.6.2 Dynamic I/O reconfiguration with more than one sysplex -- 20.6.3 CONFIGxx Parmlib member -- 20.7 IOCDS management -- 20.8 Duplicate device numbers -- 20.9 NIP console requirements -- 20.10 Eligible Device Table and esoterics -- 20.11 Single or multiple OS Configs -- 20.12 ESCON logical paths -- 20.12.1 DASD control unit considerations -- 20.12.2 Tape control unit considerations -- 20.12.3 Non-IBM hardware -- 20.12.4 Switch (ESCON/FICON) port considerations -- 20.13 CF connectivity -- 20.14 FICON/ESCON CTCs -- 20.14.1 ESCON CTC -- 20.14.2 FICON CTC -- 20.14.3 Differences between ESCON and FICON CTC -- 20.15 Sysplex Timer -- 20.15.1 LPAR Sysplex ETR support -- 20.15.2 Parmlib -- 20.16 Console connectivity -- 20.17 Hardware Management Console (HMC) connectivity -- 20.18 Tools and Documentation -- 20.18.1 Tools -- 20.18.2 Documentation -- Chapter 21. System exits and usermod considerations -- 21.1 Overview -- 21.2 Definitions -- 21.3 Simplicity -- 21.4 Reviewing system modifications -- 21.5 Supporting system modifications -- 21.5.1 Documentation -- 21.5.2 Tracking -- 21.6 Documentation -- 21.7 Useful exits and usermods -- 21.7.1 Duplicate TSO logons in a JES2 MAS -- 21.7.2 ISPF Exit 16: Log, List, and Temporary Data Set Allocation Exit -- 21.7.3 PDF Data Set Name Change Exit -- 21.7.4 JES2 Exit 4.

Chapter 22. Maintenance considerations.