Data storage library with service mode

A data storage library system includes a data storage library having at least one library frame, at least one environmental conditioning unit associated with the data storage library and configured to control one or more interior environmental conditions within the at least one library frame, and at least one access door for providing access to an interior portion of the at least one library frame. The system also includes a library controller configured to initiate a service mode prior to and/or during a service procedure performed within the at least one library frame, wherein the service mode comprises configuring the at least one environmental conditioning unit to adjust the one or more environmental conditions within the at least one library frame toward one or more exterior environmental conditions outside of the data storage library. Optionally, a lock and/or indicator (visual and/or audible) may control access to the interior of the library frames. Associated methods of servicing a data storage library are disclosed.