An enclosure configured to at least partially surround a data storage library, and a system including a data storage library and enclosure(s). The enclosure includes at least one surface configured to surround the at least one library access opening and form a chamber and to permit movement of the movable panel to permit access to the interior of the data storage library, and at least one enclosure access opening in the at least one of the surface to permit access to the interior of the chamber. The enclosure is configured to resist environmental conditions from intruding into the interior of the enclosure, and is further configured to permit exterior environmental conditions from within the interior of the library to intrude into the chamber of the enclosure.