Book description
Server Time Protocol (STP) is a server-wide facility that is implemented in the Licensed Internal Code (LIC) of the IBM® zEnterprise Servers (zEC12, z196 and z114), System z10™ Enterprise Class (z10 EC), System z10 Business Class (z10 BC), IBM System z9® Enterprise Class (z9 EC), System z9 Business Class (z9 BC), and zSeries® z990 and z890 servers. It provides improved time synchronization in a sysplex or non-sysplex configuration.
This IBM Redbooks® publication is intended for infrastructure architects and system programmers who need to understand the IBM STP functions. Readers are expected to be generally familiar with System z® technology and terminology.
This book provides planning information for Server Time Protocol functions and associated software support. For more detailed installation, operation, and recovery information, refer to the companion books Server Time Protocol Implementation Guide, SG24-7281, and Server Time Protocol Recovery Guide, SG24-7380.
Table of contents
- Front cover
- Notices
- Preface
- Summary of changes
- Chapter 1. Introduction to Server Time Protocol
- Chapter 2. Planning hardware and software
-
Chapter 3. Operations
- 3.1 Displaying and monitoring the environment
- 3.2 Configuring the Coordinated Timing Network
- 3.3 Managing the time
- 3.4 Managing the CTN configuration
-
3.5 Operational considerations
- 3.5.1 Migrating timing-only links to coupling links
- 3.5.2 Coupling link path validation
- 3.5.3 Last timing link validation and operational safeguards
- 3.5.4 Last timing link condition examples
- 3.5.5 Disruptive actions on the Current Time Server
- 3.5.6 Disruptive actions on the BTS or Arbiter
- 3.5.7 Restarting a CTN power outage or power-on reset (unplanned)
- 3.5.8 Planned single-site maintenance
- 3.6 MES upgrade considerations
- Chapter 4. Recovery concepts
-
Appendix A. Migration planning
- Preparation and installation
- Migration between an ETR network and a Mixed CTN
- Migration between a Mixed CTN and an STP-only CTN
- Migration from an ETR network to an STP-only CTN
- Installation of a new STP-only CTN
- Installation of a single-server STP-only CTN
- Enhancing a single-site ETR network to a Mixed CTN across two sites
- Appendix B. Server Time Protocol (STP) messages in z/OS
- Related publications
- Back cover
Product information
- Title: Server Time Protocol Planning Guide
- Author(s):
- Release date: June 2013
- Publisher(s): IBM Redbooks
- ISBN: None
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