You can use the fcinfo hba-port command to display the current WWN values for the NPIV ports.
Become superuser.
Delete an NPIV port:
# fcadm delete-npiv-port -p Virtual_Port_WWN -n Virtual_Node_WWN PhysicalPort_port_WWN |
The following example deletes an NPIV port on a physical HPA port with a WWN of 210000e08b170f1c.
# fcadm delete-npiv-port -p 2000000000000001 -n 2100000000000001 210000e08b170f1c |