1. A system of distributed partitioned library mapping, comprising: a plurality of controllers configured to establish a plurality of media library partitions, wherein the plurality of controllers are configured to: receive a plurality of commands from a plurality of host applications based on the plurality of media library partitions, wherein each of the plurality of commands comprises a respective logical address; map the each respective logical address to a corresponding physical address based on the one of the media library partitions; forward the plurality of commands, each with a respective corresponding physical address, to one of the plurality of controllers, wherein the one of the plurality of controllers is configured to forward the plurality of commands to a media changer.