CBR4450I Volume volser entered into library lib-name is a read only volume.
Explanation
The operator has entered a 3995 optical disk cartridge into optical library lib-name. The volume was marked as read only as a result of a prior error.
System action
The cartridge will be accepted into the library but no writes or deletes will be performed using the volume specified by volser.
Source
Object Access Method (OAM)
Routing Code
2,4,6
Descriptor Code
4