A data storage server is programmed for management, version control, and scheduling of replication of multiple types of data storage objects including iSCSI LUNs and file systems. The version control determines if two data storage objects are the same or have a common base so that only a difference needs...http://www.google.de/patents/US7769722?utm_source=gb-gplus-sharePatent US7769722 - Replication and restoration of multiple data storage object types in a data network