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