Introduction

The Database Server

Installing and Configuring the Database Server

Configuration Parameters

Client/Server Communications

In This Chapter

Client/Server Architecture

Connections That the Database Server Supports

Local Connections

Communication Support Services

Connectivity Files

The sqlhosts Information

Dynamic Server Support for IPv6 Addresses

ONCONFIG Parameters for Connectivity

Environment Variables for Network Connections

Examples of Client/Server Configurations

Using IBM Informix MaxConnect

Initializing the Database Server

Security

Disk, Memory, and Process Management

Virtual Processors and Threads

Managing Virtual Processors

Shared Memory

Managing Shared Memory

Data Storage

Managing Disk Space

Logging and Log Administration

Logging

Managing the Database-Logging Mode

Logical Log

Managing Logical-Log Files

Physical Logging, Checkpoints, and Fast Recovery

Managing the Physical Log

Fault Tolerance

Mirroring

Using Mirroring

High-Availability Data Replication (Enterprise/Workgroup Editions)

Using High-Availability Data Replication (Enterprise/Workgroup Editions)

Consistency Checking

Distributed Data

Multiphase Commit Protocols

Recovering Manually from Failed Two-Phase Commit

Appendixes

Appendix. Accessibility

Notices

Index