Oracle 11g Dataguard Administration

Modules / Chapter

Introduction to Oracle Data Guard

• Causes of Data Loss
• Oracle Data Guard Architecture
• Types of Standby Databases (benefits of each type)
• Using the Data Guard Broker
• Differentiating Between Standby Databases and Data Guard Broker Configuration
• Data Protection Modes
• Performing Role Transitions

Creating a Physical Standby Database by Using SQL and RMAN Commands

• Preparing the Primary Database
  
• Creating the Physical Standby Database

Oracle Data Guard Broker: Overview

• Oracle Data Guard Broker Features
  
• Oracle Data Guard Broker Configurations
• Data Guard Monitor Process
• Data Guard Monitor Configuration Files
• Benefits of Using the Data Guard Broker
• Comparing Configuration Management With and Without the Broker
• Using DGMGRL

Creating a Data Guard Broker Configuration

• Defining a Data Guard Configuration (overview)
  
• Setting up the Broker Configuration Files
• Setting the DG_BROKER_START Initialization Parameter to TRUE to start the Data Guard Broker
• Creating the Broker Configuration
• Adding the Standby Database to the Configuration

Creating a Physical Standby Database by Using Enterprise Manager Grid Control

• Using Enterprise Manager Grid Control to Create a Physical Standby Database
  
• Using the Add Standby Database Wizard
• Verifying a Configuration
• Editing Standby database properties
• Viewing the Data Guard Configuration Status

Creating a Logical Standby Database

• Monitoring the Data Guard Configuration by Using Enterprise Manager Grid ControlVerifying the ConfigurationViewing Log File Details
  
• Using Enterprise Manager Data Guard Metrics
• Using the DGMGRL SHOW CONFIGURATION Command to Monitor the Configuration
• Viewing Standby Redo Log Information
• Monitoring Redo Apply

Creating and Managing a Snapshot Standby Database

• Snapshot Standby Database: Architecture
  
• Converting a Physical Standby Database to a Snapshot Standby Database
• Activating a Snapshot Standby Database: Issues and Cautions
• Viewing Snapshot Standby Database Information
• Converting a Snapshot Standby Database to a Physical Standby Database

Using Oracle Active Data Guard

• Using Real-Time Query
  
• Enabling and Disabling Real-Time Query
• Enabling Block Change Tracking on a Physical Standby Database
• Creating Fast Incremental Backups
• Monitoring Block Change Tracking

Configuring Data Protection Modes

• Preparing to Create a Logical Standby Database
  
• Checking for Unsupported Objects , Data Types, and Tables
• Ensuring Unique Row Identifiers
• Creating the Logical Standby Using SQL Commands and Grid Control
• Securing your Logical Standby Database

Performing Role Transitions

• Contrast switchover vs. failover
  
• Preparing for a Switchover
• Performing a Switchover using DGMGRL and Enterprise Manager
• Types of Failovers
• Re-enabling Disabled Databases

Using Flashback Database in a Data Guard Configuration

• Overview of Flashback Database
  
• Configuring Flashback Database
• Using Flashback Database Instead of Apply Delay
• Using Flashback Database and Real Time Apply
• Flashback Through Standby Database Role Transitions
• Using Flashback Database After Failover

Enabling Fast-Start Failover

• Installing the Observer Software
  
• Configuring Fast-Start Failover
• Configuring Automatic Reinstatement of the Primary Database
• Initiating Fast-Start Failover from an Application
• Disabling Fast-Start Failover
• Starting and Stopping the Observer
• Moving the Observer to a new Host

Managing Client Connectivity

• Understanding Client Connectivity in a Data Guard Configuration
  
• Preventing Clients from Connecting to the Wrong Database
• Creating Services for the Data Guard Configuration Databases
• Automating Client Failover in a Data Guard Configuration
• Automating Failover for OCI Clients
• Automating Failover for OLE DB Clients
• Configuring JDBC Clients for Failover

Performing Backup and Recovery Considerations in an Oracle Data Guard Configuration

• Backup and Recovery of a Logical Standby Database
  
• Using the RMAN Recovery Catalog in a Data Guard Configuration
• Creating the Recovery Catalog
• Registering a Database in the Recovery Catalog
• Configuring Daily Incremental Backups
• Using a Backup to Recover a Data File on the Primary Database
• Recovering a Data File on the Standby Database

Patching and Upgrading Databases in a Data Guard Configuration

• Upgrading an Oracle Data Guard Broker Configuration
  
• Using SQL Apply to Upgrade the Oracle Database
• Performing a Rolling Upgrade by Using SQL Apply
• Performing a Rolling Upgrade by Using an Existing Logical Standby Database
• Performing a Rolling Upgrade by Creating a New Logical Standby Database
• Performing a Rolling Upgrade by Using a Physical Standby Database

Monitoring a Data Guard Configuration

• Monitoring the Data Guard Configuration by Using Enterprise Manager Grid ControlVerifying the ConfigurationViewing Log File Details
  
• Using Enterprise Manager Data Guard Metrics
• Using the DGMGRL SHOW CONFIGURATION Command to Monitor the Configuration
• Viewing Standby Redo Log Information
• Monitoring Redo Apply

Optimizing a Data Guard Configuration

• Using Enterprise Manager Grid Control to monitor configuration performance
  
• Setting the ReopenSecs and NetTimeout database properties
• Compressing Redo Data
• Delaying the Application of Redo Data
• Optimizing SQL Apply
• Adjusting the Number of APPLIER and PREPARER processes