Error
Error Code:
1201
MySQL Error 1201: Master Info Initialization Failure
Description
Error 1201 indicates that the MySQL replica (slave) server failed to initialize its internal structure for tracking the source (master) server's binary log position. This critical issue prevents replication from starting or continuing, often due to problems with the replica's replication metadata.
Error Message
Could not initialize master info structure; more error messages can be found in the MySQL error log
Known Causes
3 known causesCorrupted Replication Repository
The storage mechanism for replica master information (e.g., `master.info` file or `mysql.slave_master_info` table) is damaged or unreadable.
Insufficient File Permissions
The MySQL server process lacks the necessary read/write access to the data directory or specific replication metadata files.
Disk Space or I/O Issues
The server's disk may be full, or underlying I/O problems prevent the MySQL server from creating or updating replication files.
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