>>> We expect the same from VMware vpshere, thats why we are trying these generated WWN's on each VM, but im not pretty sure if this is being supported already.
Unless I missed something, you still have to map the LUNs to the hosts and attach them as RDMs to the VM's.
Afaik http://blogs.vmware.com/vsphere/2011/11/npiv-n-port-id-virtualization.html is still the status quo for NPIV.
André