A technique is provided whereby a stream of data located in a first storage location is registered for migration administration and according to preset criteria, portion(s) of the stream of data that are suited to another storage location are migrated to maximize system storage efficiencies. The file...http://www.google.de/patents/US20050097126?utm_source=gb-gplus-sharePatent US20050097126 - Partial migration of an object to another storage location in a computer system