Merging systems into a sysplex / [Frank Kyne ... et al.].

Format:

Book

Contributor:

Kyne, Frank.

International Business Machines Corporation. International Technical Support Center.

Series:

IBM redbooks.

IBM redbooks

Language:

English

Subjects (All):

System design.

Parallel processing (Electronic computers).

IBM computers--Programming.

IBM computers.

Physical Description:

xvi, 412 p. : ill.

Edition:

1st ed.

Place of Publication:

[United States] : IBM, International Technical Support Organization, 2002.

Language Note:

English

Contents:

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.

Notes:

"December 2002."

"SG24-6818-00."

OCLC:

560313623