List of Figures

1-1 Oracle9i Data Guard Configuration

1-2 Data Guard Architecture

1-3 Process Architecture

1-4 Typical Two-Site Data Guard Environment

1-5 Failover to a Standby Database

1-6 Switchover to a Standby Database

1-7 Data Guard Environment After Switchback

2-1 Possible Standby Configurations

2-2 Standby Database Creation

2-3 Creating Standby Databases Using Different Backups

3-1 Archiving Redo Logs

3-2 Redo Log Reception Options

4-1 Automatic Updating of a Standby Database

4-2 Parallel Recovery Session

4-3 Standby Database in Read-Only Mode

5-1 Standby Database Road Map

5-2 Typical Data Guard Configuration Before Switchover

5-3 Standby Databases Before Switchover to the New Primary Database

5-4 Data Guard Environment After Switchover

5-5 Failover to a Standby Database

5-6 Archiving Redo Logs from a Multi-Instance Primary Database

8-1 Archiving Online Log Files to a Local Disk Device

8-2 Redirecting the Archival Operation to an Alternate Destination Device

8-3 Specifying Disk Quota for a Destination

B-1 Standby Database in Manual Recovery Mode

B-2 Manual Recovery of Archived Logs in an Archive Gap

C-1 Asynchronous Network I/O Processes

D-1 Real Application Cluster Standby Database