You can vary optical drives and optical libraries online or offline, which means that you can control whether the system can access the optical drive or optical library.

If a library or drive is varied online to an instance of OAM, no associated libraries or drives in the same 3995 subsystem can be online to any other instance of OAM in the OAMplex.

The vary offline command requires that the library or drive being taken offline be controlled by the OAM targeted for the vary request.

Tip: Changing the offline status of the optical library does not affect the online/offline status of the library-resident optical drives that are contained within the library. Use the VARY SMS command to vary an optical drive or optical library online or offline.