apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv003
  labels:
    app: vnc003
  namespace: vnc-space
spec:
  capacity:
    storage: 5Gi
  accessModes:
    - ReadWriteMany
  persistentVolumeReclaimPolicy: Retain
  hostPath:
    path: "/home/pv"

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: pvc003
  labels:
    app: vnc003
  namespace: vnc-space
spec:
#  storageClassName: manual
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 100Mi
  selector:
    matchLabels:
      app: vnc003

[root@lys-192 ~]# kubectl get pvc --show-labels
NAME     STATUS   VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS   AGE     LABELS
pvc003   Bound    pv004    5Gi        RWX                           10m     app=vnc
pvc004   Bound    pv003    5Gi        RWX                           5m42s   app=vnc
[root@lys-192 ~]# kubectl get pv --show-labels
NAME    CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM            STORAGECLASS   REASON   AGE     LABELS
pv003   5Gi        RWX            Retain           Bound    default/pvc004                           4m19s   app=vnc003
pv004   5Gi        RWX            Retain           Bound    default/pvc003                           110s    app=vnc003

apiVersion: v1
kind: Pod
metadata:
  name: nginx
  labels:
    role: web-frontend
  namespace: vnc-space
spec:
  containers:
  - name: web
    image: nginx
    ports:
      - name: web
        containerPort: 80
    volumeMounts:
        - name: pv001
          mountPath: "/usr/share/nginx/html"
  volumes:
  - name: pv001
    persistentVolumeClaim: ## <--这字段
      claimName: pvc003