dasd-diag.e8d084 `<bus ID of the DASD>`: Accessing the DASD failed because of an incorrect format (rc=`<return code>`)

Explanation
 The format of the DASD is not correct.
User response Check the device format. For details about the return
code see the section about the INITIALIZE function for DIAGNOSE Code
X'250' in "z/VM® CP Programming
Services". If you cannot resolve the error, note the return code and
contact your support organization.
Severity
Warning