CBR3457I Could not clear unit attention from media change on drive drive-name.
Explanation
The media mounted on drive drive-name has been changed since the last command was issued and the unit attention could not be cleared.
System action
The I/O operation is stopped.
Operator response
Contact hardware support.
System programmer response
If the sense data displayed in the previous CBR3300I message does not equal zero then obtain the SYS1.LOGREC error record.
Source
Object Access Method (OAM)
Routing Code
2,4,6
Descriptor Code
4