Feb 102009
 

World Wide Name (WWN) are unique 8 byte (64-bit) identifiers in SCSI or fibre channel similar to that of MAC Addresses on a Network Interface Card (NIC).

Talking about the WWN names, there are also

World Wide port Name (WWpN), a WWN assigned to a port on a Fabric which is what you would be looking for most of the time.

World Wide node Name (WWnN), a WWN assigned to a node/device on a Fibre Channel fabric.

Continue reading »