Message type: E = Error
Message class: DB02 - For Oracle Component of the Database Monitor
Message number: 102
Message text: Redo log not mirrored
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DB02102
- Redo log not mirrored ?The SAP error message DB02102, which indicates "Redo log not mirrored," typically arises in the context of database management, particularly with SAP systems that use databases like Oracle, DB2, or others. This error suggests that the redo log files, which are crucial for database recovery and integrity, are not being mirrored as expected. Here’s a breakdown of the cause, potential solutions, and related information:
Cause:
Configuration Issues: The database may not be configured to mirror redo logs. This can happen if the database was set up without mirroring or if the mirroring configuration was altered. Disk Space Issues: If the disk where the redo logs are stored is full or has insufficient space, the mirroring process may fail. File System Issues: Problems with the file system or permissions can prevent the database from writing to the mirrored location. Database Instance Issues: If the database instance is not running properly or if there are connectivity issues,
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