Troubleshooting database file management

The IBM® i operating system provides system reports and error messages when errors occur. You can take corresponding actions according to the errors.

File error detection and handling by the system
The system can detect errors when a file is opened, when a program device is acquired or released, during I/O operations to a file, and when the file is closed.
Messages and message monitors in files by the system
Displayed messages are the primary source of information for an operator or a programmer who is testing a new application.
Major and minor return codes in files by the system
Major and minor return codes report errors and certain status information for ICF, display, and printer files. They are not used for other files. They typically appear as four characters: the first two refer to the major code and the second two refer to the minor code.
Recovery from file system errors
This section describes the errors you might receive and the actions you should take to recover from those errors.

Parent topic: Database file management