0172.K pod日志提示pod has unbound immediate PersistentVolumeClaims解决

[root@rh-master01 ~]# kubectl get pod -n kuboard
NAME                                     READY   STATUS    RESTARTS     AGE
...
prometheus-k8s-0                         0/2     Pending   0            61s
prometheus-k8s-1                         0/2     Pending   0            61s
prometheus-operator-5d7cc5dc4d-wv2ws     2/2     Running   0            103s
system-monitor-config-864f784987-fhbzg   1/1     Running   0            62s

[root@rh-master01 ~]# kubectl describe pod prometheus-k8s-0 -n kuboard
...
  Warning  FailedScheduling  114s                default-scheduler  0/6 nodes are available: 6 pod has unbound immediate PersistentVolumeClaims.
  Warning  FailedScheduling  35s (x1 over 112s)  default-scheduler  0/6 nodes are available: 6 pod has unbound immediate PersistentVolumeClaims.

[root@rh-master01 ~]# kubectl get pvc -n kuboard | grep kuboard
kuboard-kube-prometheus0   Pending                                                     5s
kuboard-kube-prometheus1   Pending                                                     5s

[root@rh-master01 kuboard]# kubectl delete -f kuboard-kube-prometheusV1.yaml

vim kuboard-kube-prometheusV2.yaml        #新建V2进行修改，调整PVC相关的配置，确保StorageClass、PV、PVC的storageClassName名称保持相同
  1 apiVersion: storage.k8s.io/v1
  2 kind: StorageClass
  3 metadata:
  4   name: kuboard-kube-prometheus        #StorageClass名称为kuboard-kube-prometheus
  5 provisioner: kubernetes.io/no-provisioner
  6 reclaimPolicy: Retain
  7 volumeBindingMode: Immediate
  8 
  9 ---
 10 apiVersion: v1
 11 kind: PersistentVolume
 12 metadata:
 13   name: kuboard-kube-prometheus0
 14 spec:
 15   accessModes:
 16    - ReadWriteMany
 17   capacity:
 18     storage: 40Gi
 19   nfs:
 20     path: vm/dev-nfs/kuboard_pv/prometheus-k8s-db-prometheus-k8s-0
 21     server: 192.18.80.159
 22   persistentVolumeReclaimPolicy: Retain
 23   storageClassName: kuboard-kube-prometheus      #PV的storageClassName保持和StorageClass名称相同，均为kuboard-kube-prometheus
 24   volumeMode: Filesystem
 ...
 43 ---
 44 apiVersion: v1
 45 kind: PersistentVolumeClaim
 46 metadata:
 47   labels:
 48     name: prometheus-k8s-db-prometheus-k8s-0
 49   name: prometheus-k8s-db-prometheus-k8s-0
 50   namespace: kuboard
 51 spec:
 52   accessModes:
 53     - ReadWriteMany
 54   resources:
 55     requests:
 56       storage: 40Gi
 57   storageClassName: kuboard-kube-prometheus      #PVC的storageClassName一行，确保和StorageClass、PV的storageClassName名称相同
...

[root@rh-master01 kuboard]# kubectl apply -f kuboard-kube-prometheusV2.yaml 
storageclass.storage.k8s.io/kuboard-kube-prometheus created
persistentvolume/kuboard-kube-prometheus0 created
persistentvolume/kuboard-kube-prometheus1 created
persistentvolumeclaim/prometheus-k8s-db-prometheus-k8s-0 created
persistentvolumeclaim/prometheus-k8s-db-prometheus-k8s-1 created

[root@rh-master01 ~]# k get pod -n kuboard
NAME                                     READY   STATUS    RESTARTS     AGE
...
prometheus-k8s-0                         2/2     Running   0            37m
prometheus-k8s-1                         2/2     Running   0            37m
prometheus-operator-5d7cc5dc4d-wv2ws     2/2     Running   0            38m