Methods and systems for upgrading a storage library of a product line having a hardware component such as a storage array operable to run at low and high operating levels in which the hardware component is set to operate at the low operating level includes associating a software key with the storage...http://www.google.fr/patents/US7293285?utm_source=gb-gplus-shareBrevet US7293285 - Method and system for providing field scalability across a storage product family
Method and system for providing field scalability across a storage product ...