US Patent 7104618 Reconfigurable data cartridge import/export drawer

Data cartridge exchange apparatus for use in a data storage system may include a moveable cartridge storage array having at least a first data cartridge storage location and a second data cartridge storage location. The first data cartridge storage location is operatively associated with the second data cartridge storage location so that the first data cartridge storage location is independently moveable with respect to the second data cartridge storage location when the second data cartridge storage location is accessible by the data storage system.