Preface

Purpose of this document

This document describes the tasks required for using the database multiplexing feature of Fujitsu Enterprise Postgres.

Intended readers

This document is intended for those who set up and use the database multiplexing feature.

Readers of this document are also assumed to have general knowledge of:

PostgreSQL
SQL
Linux

Structure of this document

This document is structured as follows:

Chapter 1 Overview of Database Multiplexing Mode: Provides an overview of database multiplexing mode.

Chapter 2 Setting Up Database Multiplexing Mode: Describes how to set up database multiplexing mode.

Chapter 3 Operations in Database Multiplexing Mode: Explains periodic database multiplexing mode.

Chapter 4 Action Required when an Error Occurs in Database Multiplexing Mode: Explains the action required when an error occurs during a database multiplexing mode.

Chapter 5 Managing Mirroring Controller Using WebAdmin: Explains how to set up and manage Mirroring Controller in a streaming replication cluster using WebAdmin.

Appendix A Parameters: Explains the configuration files and parameters required for database multiplexing mode.

Appendix B Supplementary Information on Building the Primary Server and Standby Server on the Same Server: Explains supplementary information on building the primary server and standby server on the same server.

Appendix C User Commands: Explains the user commands.

Appendix D Notes on Performing Automatic Degradation Immediately after a Heartbeat Abnormality: Provides notes when performing automatic degradation unconditionally after a heartbeat abnormality is detected during heartbeat monitoring of an operating system or server.

Appendix E Supplementary Procedure on Configuring for Operation in Database Multiplexing Mode: Explains supplementary procedure on the configuration required for operation in database multiplexing mode.

Appendix F WebAdmin Disallow User Inputs Containing Hazardous Characters: Explains characters not allowed in WebAdmin.

Appendix G Collecting Failure Investigation Data: Explains how to collect data for initial investigation.

Export restrictions

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Issue date and version

Edition 1.0: July 2024