Contents

List of Figures

List of Tables

Title and Copyright Information

Preface

• Audience
• Documentation Accessibility
• Related Documents
• Conventions

1 Introduction to Oracle Fail Safe

• 1.1 What Is Oracle Fail Safe?
• 1.2 Benefits of Oracle Fail Safe
  • 1.2.1 Highly Available Resources and Applications
  • 1.2.2 Ease of Use
  • 1.2.3 Product Accessibility
  • 1.2.4 Ease of Integration with Applications
• 1.3 A Typical Oracle Fail Safe Configuration
• 1.4 Deploying Oracle Fail Safe Solutions

2 Cluster Concepts

• 2.1 Cluster Technology
  • 2.1.1 How Clusters Provide High Availability
  • 2.1.2 System-Level Configuration
  • 2.1.3 Disk-Level Configuration
• 2.2 Resources, Groups, and High Availability
  • 2.2.1 Resources
  • 2.2.2 Group
  • 2.2.3 Resource Dependencies
  • 2.2.4 Resource Types
• 2.3 Groups, Virtual Addresses, and Virtual Servers
• 2.4 Allocating IP Addresses for Virtual Addresses
• 2.5 Cluster Group and Cluster Alias
• 2.6 Failover
  • 2.6.1 Unplanned Failover
    • 2.6.1.1 Unplanned Failover Due to a Resource Failure
    • 2.6.1.2 Unplanned Failover Due to Node Failure or Unavailability
  • 2.6.2 Planned Group Failover
  • 2.6.3 Group and Resource Policies That Affect Failover
  • 2.6.4 How a Resource Failure Is Detected
  • 2.6.5 Resource Restart Policy
  • 2.6.6 Resource Failover Policy
  • 2.6.7 Resource Possible Owner Nodes List
  • 2.6.8 Group Failover Policy
  • 2.6.9 Effect of Resource Restart Policy and Group Failover Policy on Failover
  • 2.6.10 Group Failover and the Preferred Owner Nodes List
  • 2.6.11 Determining the Failover Node for a Group
• 2.7 Failback
  • 2.7.1 Group Failback and the Preferred Owner Nodes List
  • 2.7.2 Client Reconnection After Failover

3 Designing an Oracle Fail Safe Solution

• 3.1 Customizing Your Configuration
  • 3.1.1 Active/Passive Configuration
  • 3.1.2 Active/Active Configuration
• 3.2 Integrating Clients and Applications

4 Management for High Availability

• 4.1 What Does It Mean to Configure Failover?
• 4.2 How Does Oracle Fail Safe Use the Wizard Input?
• 4.3 Managing Cluster Security
  • 4.3.1 Oracle Services for MSCS
    • 4.3.1.1 Account Updates Using the Oracle Fail Safe Security Setup Tool
  • 4.3.2 Oracle Fail Safe Manager
• 4.4 Discovering Standalone Resources
• 4.5 Renaming Resources
• 4.6 Using Oracle Fail Safe in a Multiple Oracle Homes Environment
• 4.7 Configurations Using Multiple Virtual Addresses
• 4.8 Adding a Node to an Existing Cluster

5 The FSCMD Command-Line Interface

• FSCMD

6 Troubleshooting Tools

• 6.1 Verify Operations
  • 6.1.1 Verify Cluster
  • 6.1.2 Verify Group
  • 6.1.3 Verify Standalone Database
• 6.2 Dump Cluster
• 6.3 Verify Security Parameters
• 6.4 Finding Additional Troubleshooting Information

7 Configuring Single-Instance Databases for High Availability and Disaster Tolerance

• 7.1 Discovering Standalone Single-Instance Databases
• 7.2 Oracle Net Configuration for Standalone Single-Instance Databases
  • 7.2.1 Updating the Oracle Net Configuration for a Database Created Using DBCA
  • 7.2.2 Listener Must Use IP Address, Not Host Name
  • 7.2.3 SID List Entries and Upgrades to Oracle Database Software
  • 7.2.4 Configuring Oracle Net on Nodes with Multiple Listeners
  • 7.2.5 Shared Server Configuration and a Standalone Database
• 7.3 Adding Single-Instance Oracle Databases to a Group
  • 7.3.1 Before You Get Started
  • 7.3.2 Configuration Steps
  • 7.3.3 Configuration Data for Oracle Databases
    • 7.3.3.1 Choose Nodes
    • 7.3.3.2 Virtual Address
    • 7.3.3.3 Database Identity
    • 7.3.3.4 Database Authentication
    • 7.3.3.5 Database Password
• 7.4 Oracle Net Listener Resource Creation and Configuration
  • 7.4.1 Using Shared Sockets in Dedicated Server Mode
  • 7.4.2 Client Connections to Highly Available Single-Instance Databases
  • 7.4.3 Updated Oracle Net Configuration After Adding a Database to a Group
    • 7.4.3.1 Updates That Oracle Fail Safe Makes to the tnsnames.ora File
    • 7.4.3.2 Updates That Oracle Fail Safe Makes to the listener.ora File
    • 7.4.3.3 Updates That Oracle Fail Safe Makes to the sqlnet.ora File
  • 7.4.4 Using External Procedures with Databases Configured for High Availability
  • 7.4.5 Support for Databases Using Shared Servers
    • 7.4.5.1 Shared Servers for Databases
• 7.5 Security Requirements for Single-Instance Databases
  • 7.5.1 Synchronizing Password Files on Cluster Nodes
  • 7.5.2 Changing the SYSDBA Account Password
  • 7.5.3 Upgrading a Fail-Safe Database with the Oracle Database Upgrade Assistant
• 7.6 Optimizations for Single-Instance Database Recovery
• 7.7 Performing Administrative Tasks on a Single-Instance Fail-Safe Database
• 7.8 Database Homes
• 7.9 Configuring Transparent Application Failover (TAF)
• 7.10 Handling Errors and Troubleshooting Problems with Databases
  • 7.10.1 Handling Errors That Occur When Bringing a Database Online
  • 7.10.2 Troubleshooting Problems
  • 7.10.3 Problems Adding a Database to a Group
  • 7.10.4 Problems Placing a Group Online
  • 7.10.5 Group Fails Over During Processing-Intensive Operations
  • 7.10.6 Database Authentication
  • 7.10.7 Problems with Sample Databases
  • 7.10.8 Problems with Virtual Server Configurations
    • 7.10.8.1 Problems Configuring the Virtual Address
    • 7.10.8.2 Problems Creating Listeners
    • 7.10.8.3 Archived listener.ora or tnsnames.ora Files
    • 7.10.8.4 Rollback Files
  • 7.10.9 Security Access and Authentication Problems
  • 7.10.10 Clients Cannot Access a Database
• 7.11 Using Highly Available Databases with Oracle Data Guard

8 Configuring Generic Services for High Availability

• 8.1 Introduction
  • 8.1.1 Advantages of Using Oracle Fail Safe
  • 8.1.2 Generic Resources That Must Not Be Configured for High Availability
• 8.2 Discovering Standalone Generic Services
• 8.3 Adding Generic Services to a Group
  • 8.3.1 Configuration Steps
  • 8.3.2 Configuration Data for Generic Services
    • 8.3.2.1 Choose Nodes
    • 8.3.2.2 Generic Service Identity
    • 8.3.2.3 Generic Service Startup Parameters
    • 8.3.2.4 Disks Used by a Generic Service
    • 8.3.2.5 Generic Service Dependencies
    • 8.3.2.6 Generic Service Registry Keys
• 8.4 Security Requirements for Generic Services
• 8.5 Troubleshooting Problems with Generic Services

9 Configuring Oracle Management Agent for High Availability

• 9.1 Prerequisites for High Availability
• 9.2 Procedure for Configuring Oracle Management Agent for High Availability
• 9.3 Removing Oracle Management Agent from a Group

10 Configuring Oracle Application Server Components for High Availability

• 10.1 Prerequisites for High Availability
• 10.2 Procedure for Configuring Oracle Application Server Components for High Availability
• 10.3 Removing Oracle Application Server Components from a Group

A Network Configuration Considerations

• A.1 Registering Host Names and IP Addresses
• A.2 Validating Proper Name Resolution in the Cluster
• A.3 Changing IP Addresses of Cluster Nodes
• A.4 Troubleshooting Problems with Improper Name Resolution

B Contacting Oracle Support Services

• B.1 Reporting a Problem
• B.2 Finding Your Version Information
• B.3 Tracing Oracle Fail Safe Problems
• B.4 Locating Trace and Alert Files

Glossary

Index