A system is provided to support dynamically changeable virtual mapping schemes in a data processing system. The present invention separates processing of data unit requirements from the selection of which storage subsystems to use for storage by using a storage methodologies inventory. A stored data...http://www.google.de/patents/US20020178335?utm_source=gb-gplus-sharePatent US20020178335 - Apparatus and method for dynamically changeable virtual mapping scheme
