dasd.0c0534 `<bus ID of the DASD>` Setting the DASD online failed because the required module `<kernel module name>` could not be loaded (rc=`<return code>`)

Explanation
The DASD was to be set online with discipline DIAG but this discipline of
the DASD device driver is not available and an attempt to load the
corresponding kernel module failed with the specified return code.

User response
Ensure that the kernel module with the specified name is correctly installed
or set the sysfs 'use_diag' attribute of the DASD to 0 to switch off DIAG.
Severity
Warning

dasd.0c0534 <bus ID of the DASD> Setting the DASD online failed because the required module <kernel module name> could not be loaded (rc=<return code>)

Explanation

User response

Severity

dasd.0c0534 `<bus ID of the DASD>` Setting the DASD online failed because the required module `<kernel module name>` could not be loaded (rc=`<return code>`)