Error
Error Code:
3849
MySQL Error 3849: Redo Log Archiving Inactive
Description
This error indicates that the MySQL InnoDB redo log archiving feature is currently not enabled or active. Redo log archiving is crucial for point-in-time recovery, replication scenarios, and certain backup operations. It typically occurs when an attempt is made to perform an action that relies on archived redo logs, but the archiving process is not running.
Error Message
Redo log archiving is not active
Known Causes
4 known causesFeature Disabled
The `innodb_redo_log_archive_enabled` system variable is explicitly set to `OFF` in the MySQL configuration, preventing redo log archiving from starting.
Improper Configuration
Other necessary configuration parameters for redo log archiving, such as the archive directory, might be incorrectly set or missing, preventing the feature from initializing.
Server Startup Failure
The MySQL server failed to properly initialize the redo log archiving process during startup due to underlying system issues or resource constraints.
Manual Deactivation
Redo log archiving was intentionally deactivated by a database administrator, but a subsequent operation requires it to be active.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service