1. A method for storing downloadable content on a plurality of Enterprise Storage System (ESS) cells, comprising: receiving the downloadable content and characteristics corresponding to the downloadable content on a download grid manager; and replicating the downloadable content from the download grid manager to unused storage space of the plurality of ESS cells based on the characteristics and a storage policy, wherein the storage policy indicates a limit of the unused storage space on each of the plurality of ESS cells that the downloadable content is permitted occupy.