![]() ![]() Recovering from Data Failures Using File or Block Media Recovery To perform an over-the-network duplication you must include the RMAN FROM ACTIVE DATABASE option in the DUPLICATE command. Setting Up the Initial Data Guard EnvironmentÄuring initial setup of a standby database, you can either use a backup of the primary database that is made accessible to the secondary site to create the initial standby database, or use RMAN network-enabled database duplication to create the standby database without the need for a pre-existing backup. Table 8-2 Sample Situations that Require Database Backup Situations that require Database Backup Read-only or read/write copy-on-write version of the file system for testing, development and backup ![]() Read-only or read/write copy-on-write version of the database for testing and development ![]() ZFS Snapshots (for database clones such as dev/test) Read-only or read/write copy-on-write version of the file system. Logical error correction leveraging undo data of the Oracle databaseĬontinuous Data Protection (CDP) leveraging flashback logsĪutomatic Clustered File System (ACFS) Snapshots (for file system clones and disaster recovery) ![]() Native backup utility for the Oracle database Table 8-1 Backup and Recovery Summary Technology ![]()
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