Error
Error Code:
1026
MySQL Error 1026: Disk Write Failure
Description
MySQL Error 1026, also known as `ER_ERROR_ON_WRITE`, indicates that the MySQL server encountered an issue while attempting to write data to a file on the host system. This commonly occurs during operations such as logging, creating temporary tables, or storing database files, pointing to underlying file system or server resource problems.
Error Message
Error writing file '%s' (errno: %d - %s)
Known Causes
4 known causesInsufficient Disk Space
The server's storage disk is full, preventing MySQL from writing new data, log files, or temporary files.
Incorrect File Permissions
The MySQL process lacks the necessary read/write permissions for the directory or files it's attempting to modify or create.
Underlying I/O Error
A hardware issue, file system corruption, or network storage problem is preventing the operating system from performing write operations.
User/Disk Quota Exceeded
The user account or file system has reached its allocated disk quota, restricting further write access for MySQL.
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