Server Time Protocol Recovery Guide

An IBM Redbooks publication

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Published on June 28, 2013, updated May 20, 2014

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ISBN-10: 073843809X
ISBN-13: 9780738438092
IBM Form #: SG24-7380-01


Authors: Octavian Lascu, Hans-Peter Eckam, George Kozakos and Paulo Vitor Pereira

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    Abstract

    Server Time Protocol (STP) is a server-wide facility that is implemented in the Licensed Internal Code (LIC) of the IBM® zEnterprise EC12 (zEC12), IBM zEnterprise 196 (z196), IBM zEnterprise 114 (z114), IBM System z10™ Enterprise Class (z10 EC), System z10 Business Class (z10 BC), IBM System z9® Enterprise Class (z9 EC), and System z9 Business Class (z9 BC). It provides improved time synchronization in a sysplex or non-sysplex configuration.

    This IBM Redbooks® publication will help you plan for and recover from a failure affecting your Mixed or STP-only Coordinated Timing Network. It is intended for technical support personnel requiring information about:

    - Recovery concepts and definitions

    - Identifying and taking appropriate actions for recovering from a failed component in a Coordinated Timing Network

    Readers are expected to be familiar with IBM System z® technology and terminology. For planning information, refer to our companion book, Server Time Protocol Planning Guide, SG24-7280, and for implementation details refer to Server Time Protocol Implementation Guide, SG24-7281..

    Table of Contents

    Part 1. Concepts and planning

    Chapter 1. Concepts and considerations

    Chapter 2. Recovery scenarios

    Part 2. Implementation

    Chapter 3. Recovery in a Mixed CTN

    Chapter 4. Recovery in an STP-only CTN with BTS

    Chapter 5. Recovery in an STP-only CTN with BTS and Arbiter

    Chapter 6. External Time Source (ETS) recovery

    Chapter 7. Restoring STP configuration across PORs in a single or dual CEC CTN

     

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