PVC

清单文件

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  # PVC 名称
  name: mypvc
  namespace: default
spec:
  # 要求支持访问模型
  accessModes: ["ReadWriteMany"]
  resources:
    requests:
      # 需要的数据容量
      storage: 6Gi
---
apiVersion: v1
kind: Pod
metadata:
  name: myapp-vol-pvc
  namespace: default
spec:
  containers:
  - name: myapp
    image: ikubernetes/myapp:v1
    volumeMounts:
    - name: html-vol
      mountPath: /usr/share/nginx/html/
  volumes:
  - name: html-vol
    persistentVolumeClaim:
      # 使用指定的PVC
      claimName: mypvc

查看pvc和pv状态

# kubectl get pv
NAME      CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS      CLAIM           STORAGECLASS   REASON    AGE
pv001     2Gi        RWO,RWX        Retain           Available                                            25m
pv002     5Gi        RWO            Retain           Available                                            26m
pv003     20Gi       RWO,RWX        Retain           Bound       default/mypvc                            26m
pv004     10Gi       RWO            Retain           Available                                            26m
pv005     10Gi       RWO            Retain           Available                                            26m
# kubectl get pvc
NAME      STATUS    VOLUME    CAPACITY   ACCESS MODES   STORAGECLASS   AGE
mypvc     Bound     pv003     20Gi       RWO,RWX                       6m

补充说明

• 如果pv处于Bound状态时，此时删除pv是会一直处在Terminating状态，知道pvc解除绑定，才会执行删除