Veritas Storage Foundation™ for Oracle 5.0.1 Administrator's Guide

Using Storage Checkpoints

and Storage Rollback

This chapter includes the following topics:

■ About Storage Checkpoints and Storage Rollback

■ Space requirements for Storage Checkpoints

■ Performance of Storage Checkpoints

■ Storage Checkpoint allocation policies

■ Backing up and recovering the database using Storage Checkpoints

■ Cloning the Oracle instance using dbed_clonedb

■ Guidelines for Oracle recovery

■ Using the GUI to perform Storage Checkpoint-related operations

About Storage Checkpoints and Storage Rollback

The Veritas Storage Checkpoint feature is available with the Enterprise Edition

as part of the Veritas File System package and is used for the efficient backup and

recovery of Oracle databases. Storage Checkpoints can also be mounted, allowing

regular file system operations to be performed. This chapter describes what

Storage Checkpoints and storage rollback are and how to make use of these

technologies through Veritas Storage Foundation.

The Storage Checkpoint facility is similar to the snapshot file system mechanism;

however, a Storage Checkpoint persists after a system reboot. A Storage Checkpoint

creates an exact image of a database instantly and provides a consistent image of

the database from the point in time the Storage Checkpoint was created. The

Chapter