CBR3009I The CE maintenance mode has been {entered | exited} on library library-name.
Explanation
OAM has received an attention from library library-name indicating that the CE maintenance mode has either been entered or exited.
System action
If the CE maintenance mode has been entered, OAM will mark all drives and library library-name not operational.
Operator response
If the CE maintenance mode has been entered, all drives and library library-name should have already been varied offline. If this is not the case, do so now.
If the CE maintenance mode was exited, vary all drives in the library online. Once this is accomplished, vary library library-name online.
Source
Object Access Method (OAM)
Routing Code
2,4,6
Descriptor Code
4