S/390 Time Management and IBM 9037 Sysplex Timer

This redbook helps you understand and manage the OS/390 time requirements in the S/390 environment.

It gives a detailed description of the operations of the IBM 9037 Sysplex Timer, which will help you to design your Sysplex Timer configuration to match your installation requirements and environment.

It also includes information on how to provide a S/390 date and time source for Year 2000 testing.

Chapter 1. Coordination of Time-of-Day Clocks - an Introduction 1.0
Chapter 2. Sysplex Timer Configurations 2.0
Chapter 3. Sysplex Timer Consoles 3.0
Chapter 4. Operating Systems Environments 4.0
Chapter 5. Initializing Time in the Sysplex Timer 5.0
Chapter 6. Migration from 9037-001 to 9037-002 6.0
Chapter 7. Attaching the Sysplex Timer 7.0
Chapter 8. Sysplex Timer Offsets and Time Adjustments 8.0
Chapter 9. Offset Change Impacts to Subsystems 9.0
Chapter 10. Sysplex Timer Recovery 10.0
Chapter 11. Time Source Setup for S/390 Year 2000 Testing 11.0
Appendix A. 9037 Model 1 and 2 Differences A.0
Appendix B. 9037 Log - Reason Codes B.0
Appendix C. OS/390 Timer-Related Maintenance C.0
Appendix D. Worldwide External Time Sources D.0
Appendix E. 9672 G5 - LPAR Sysplex ETR Offset Support E.0
Appendix F. 9672 G5 - 128-Bit TOD Clock Support F.0
Appendix G. Special Notices G.0
Appendix H. Related Publications H.0

Publish Date
13 May 1999

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Author(s)
Ken Trowell
Marg Beal
Helen Howard
Greg Hutchison
Noshir Dhondy

ISBN
0738412740

IBM Form Number
SG24-2070-00

Number of pages
326