A storage management solution according to certain embodiments is provided which decouples certain aspects of the storage manager from the data storage cell. The data storage system according to certain aspects can provide one or more external storage managers that manage data protection and administer the operation of data storage cells. According to certain aspects, usage of the decoupled storage manager can be allocated amongst multiple data storage cells, such as by data storage cells of multiple companies, sub-units of a company, or both.