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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
Overview of 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
Overview of a Typical Oracle Fail Safe Configuration
1.4
Deploying Oracle Fail Safe Solutions
2
Cluster Concepts
2.1
Cluster Technology
2.1.1
About Clusters Providing High Availability
2.1.2
About System-Level Configuration
2.1.3
About Disk-Level Configuration
2.2
Resources, Groups, and High Availability
2.2.1
About Resources
2.2.2
About Groups
2.2.3
About Resource Dependencies
2.2.4
About 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
About 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
Detecting a Resource Failure
2.6.5
About Resource Restart Policy
2.6.6
About Resource Failover Policy
2.6.7
About Resource Possible Owner Nodes List
2.6.8
About Group Failover Policy
2.6.9
Effect of Resource Restart Policy and Group Failover Policy on Failover
2.6.10
About Group Failover and the Preferred Owner Nodes List
2.6.11
Determining the Failover Node for a Group
2.7
About 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
Configuring Resources for Failover
4.2
How Does Oracle Fail Safe Use the Wizard Input?
4.3
Managing Cluster Security
4.3.1
Oracle Fail Safe
4.3.1.1
Changing the Oracle Fail Safe Server Account
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
PowerShell Commands
6.1
Getting Started
6.2
About Common Parameters
6.3
Using the Oracle Fail Safe cmdlets in Scripts
6.4
FSCMD Equivalent cmdlets
6.5
Examples
7
Validating Actions
7.1
Validating Operations
7.1.1
Validating Cluster
7.1.2
Validating the Configuration of Oracle Resources
7.1.3
Validating Standalone Database
7.2
Dumping Cluster
7.3
Finding Additional Troubleshooting Information
8
Configuring Single-Instance Databases for High Availability and Disaster Tolerance
8.1
Discovering Standalone Single-Instance Databases
8.2
Oracle Net Configuration for Standalone Single-Instance Databases
8.2.1
Updating the Oracle Net Configuration for a Database Created Using DBCA
8.2.2
Listener Must Use IP Address, Not Host Name
8.2.3
SID List Entries and Upgrades to Oracle Database Software
8.2.4
Configuring Oracle Net on Nodes with Multiple Listeners
8.2.5
Shared Server Configuration and a Standalone Database
8.3
Adding Single-Instance Oracle Databases to a Group
8.3.1
Before You Get Started
8.3.2
Configuration Steps
8.3.3
Configuration Data for Oracle Databases
8.3.3.1
Choosing Nodes
8.3.3.2
Selecting Virtual Address
8.3.3.3
Identifying Database Parameters
8.3.3.4
Validating Database
8.4
About Oracle Net Listener Resource Creation and Configuration
8.4.1
Using Shared Sockets in Dedicated Server Mode
8.4.2
Client Connections to Highly Available Single-Instance Databases
8.4.3
Updating Oracle Net Configuration After Adding a Database to a Group
8.4.3.1
Updates That Oracle Fail Safe Makes to the tnsnames.ora File
8.4.3.2
Updates That Oracle Fail Safe Makes to the listener.ora File
8.4.3.3
Updates That Oracle Fail Safe Makes to the sqlnet.ora File
8.4.4
Using External Procedures with Databases Configured for High Availability
8.4.5
Support for Databases Using Shared Servers
8.4.5.1
Shared Servers for Databases
8.5
Security Requirements for Single-Instance Databases
8.5.1
Synchronizing Password Files on Cluster Nodes
8.5.2
Changing the SYS Account Password
8.5.3
Upgrading a Fail-Safe Database with the Oracle Database Upgrade Assistant
8.6
Optimizations for Single-Instance Database Recovery
8.7
Performing Administrative Tasks on a Single-Instance Fail-Safe Database
8.8
Database Homes
8.9
Configuring Transparent Application Failover (TAF)
8.10
Handling Errors and Troubleshooting Problems with Databases
8.10.1
Handling Errors That Occur When Bringing a Database Online
8.10.2
Troubleshooting Problems
8.10.3
Problems Adding a Database to a Group
8.10.4
Problems Placing a Group Online
8.10.5
Group Fails Over During Processing-Intensive Operations
8.10.6
About Database Authentication
8.10.7
Problems with Virtual Server Configurations
8.10.7.1
Problems Configuring the Virtual Address
8.10.7.2
Problems Creating Listeners
8.10.7.3
Archived listener.ora or tnsnames.ora Files
8.10.7.4
Rollback Files
8.10.8
Security Access and Authentication Problems
8.10.9
Clients Cannot Access a Database
8.11
Using Highly Available Databases with Oracle Data Guard
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
A
Contacting Oracle Support Services
A.1
Reporting a Problem
A.2
Finding the Version of Oracle Software
A.3
Viewing Error Information
A.4
Tracing Oracle Fail Safe Problems
A.5
Locating Trace and Alert Files
Glossary
Index
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