1. A switch, comprising: a plurality of network interfaces cards (NICs) and a plurality of host bus adapters (HBAs) associated with a plurality of actual device driver signals; virtualization logic operable to map a plurality of virtual device driver signals to the plurality of actual device driver signals; wherein a plurality of computer systems each comprising a processor and memory are connected to the switch and are operable to access the plurality of NICs and HBAs by using the plurality of virtual device driver signals.