Error
Error Code:
1696
MySQL Error 1696: Partition File Read Failure
Description
This error indicates that MySQL was unable to read a `.par` file, which contains metadata for a partitioned table. It typically occurs when the database server attempts to access or modify a partitioned table but encounters issues with the file's integrity, location, or access permissions.
Error Message
Failed to read from the .par file
Known Causes
4 known causesCorrupted Partition File
The `.par` file, containing partition metadata, has become damaged or unreadable due to disk errors or improper server shutdown.
Insufficient File Permissions
The MySQL server process lacks the necessary read permissions for the `.par` file or its containing data directory.
Missing or Moved Partition File
The expected `.par` file is either absent from its location or has been moved, preventing MySQL from accessing it.
Underlying Disk I/O Problem
Problems with the storage system, such as a failing disk or network storage issues, prevent MySQL from reading the file.
Solutions
Coming SoonGeneral 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