Methods and apparatus for implementing storage virtualization on a network device of a storage area network are disclosed. A virtual enclosure is created that has one or more virtual enclosure ports and is adapted for representing one or more virtual storage units. Each of the virtual storage units represents...http://www.google.co.uk/patents/US7548975?utm_source=gb-gplus-sharePatent US7548975 - Methods and apparatus for implementing virtualization of storage within a storage area network through a virtual enclosure
