After a breakdown or errors, you can restore a database instance or revert it to an earlier state by importing data backups and log backups from backup media.
· You have backed up data.
· You have backed up log entries.
You use the Database Manager for restoring.
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1. You import a complete data backup. To reduce the restore time, you can import data backups from a group of parallel backup media.
See:
¡ Database Manager GUI, Restoring
¡ Database Manager CLI, Backing Up and Restoring Database Instances
2. If necessary, import incremental data backups and log backups as well.
Initially, the database system attempts to import redo log entries still present in the log area. To prevent this and force the deletion of the redo log entries in the log area, initialize the log area before the restore. See Database Manager GUI, Restoring After Initializing a Database Instance and Database Manager CLI, Restoring a Database Instance with Initialization.
3. If necessary, restore any damaged indexes. See:
¡ Database Manager GUI, Restoring Indexes After Database Restore
¡ Database Manager CLI, Restoring a Damaged Index
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Database Administration in CCMS:
MaxDB, Index
Analysis
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Database Administration in CCMS: SAP liveCache
Technology, Bad
Indexes
Example: Backing Up and Restoring