1. A storage controller adapted for coupling a host system to storage devices, the controller comprising: a request processor adapted for coupling to locally accessible storage devices and adapted to process a request from a host system by accessing the locally accessible storage devices; and a virtualization circuit coupled to the request circuit, the virtualization circuit adapted to receive a request from a host system and adapted to determine whether this or another storage controller will process the request and further adapted to forward the request to the request processor responsive to a determination that this storage controller will process the request and further adapted to forward the request to another request processor of said another storage controller responsive to a determination that the request will be processed by said another storage controller.