If you doesn't know where to find WWN your FC HBA you can collect from Linux OS
## Change host11 to antoher host, makesure the result is Online
cat /sys/class/fc_host/host11/port_state
## Check the WWN
cat /sys/class/fc_host/host11/port_name
If you doesn't know where to find WWN your FC HBA you can collect from Linux OS
## Change host11 to antoher host, makesure the result is Online
cat /sys/class/fc_host/host11/port_state
## Check the WWN
cat /sys/class/fc_host/host11/port_name