k3s/examples/volumes/fibre_channel/fc.yaml

apiVersion: v1
kind: Pod
metadata:
 name: fc
spec:
 containers:
   - image: kubernetes/pause 
     name: fc
     volumeMounts:
       - name: fc-vol
         mountPath: /mnt/fc
 volumes:
   - name: fc-vol
     fc:
       targetWWNs: ['500a0982991b8dc5', '500a0982891b8dc5']
       lun: 2
       fsType: ext4
       readOnly: true