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Define PV & PVC

Defining a Persistent Volume​

  • type - {nfs, fc, azureDisk, ...}
  • capacity
  • accessModes
  • persistentVolumeReclaimPolicy - this parameter is Optional
  • Labels
apiVersion: v1
kind: PersistentVolume
metadata:
    name: pv-nfs-data
spec:
    capacity:
        storage: 10Gi
    accessModes:
        - ReadWriteMany
    nfs:
        server: 172.16.94.5
        path: "/export/volumes/pod"

Defining a Persistent Volume Claim​

  • accessModes
  • resources
  • storageClassName
  • selector
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
    name: pvc-nfs-data
spec:
    accessModes:
        -ReadWriteMany
    resources:
        requests:
            storage: 10Gi

Using Persistent Volume in Pods​

...
spec:
    volumes:
    - name: webcontent
      persistentVolumeClaim:
        claimName: pvc-nfs-data
    containers:
    - name: nginx
    ...
    volumeMounts:
    - name: webcontent
      mountPath: "/usr/share/nginx/html/web-app"