Find and show FC WWNs of  node

cat /sys/class/fc_host/host*/device/fc_host/host*/node_name
   or
cat /sys/class/fc_host/host*/device/fc_host\:host*/node_name

lspci | grep -i Fibre

Show FC WWNs of  port

cat /sys/class/fc_host/host*/device/fc_host/host*/port_name
   or
cat /sys/class/fc_host/host*/device/fc_host\:host*/port_name

Show SCSI info

lsscsi -gs

cat /proc/scsi/scsi