09- volumes.md

PersistentVolume and PersistentVolumeClaim

• POD, PV and PVC example with hostPath:

  ---
  
  apiVersion: v1
  kind: PersistentVolume
  metadata:
    name: pv-log
  spec:
    capacity:
      storage: 100Mi
    persistentVolumeReclaimPolicy: Retain
    hostPath:
      path: /pv/log
    accessModes:
      - ReadWriteMany
  
  ---
  
  apiVersion: v1
  kind: PersistentVolumeClaim
  metadata:
    name: pvc-log
  spec:
    volumeName: pv-log
    accessModes:
      - ReadWriteMany
    resources:
      requests:
        storage: 10Mi
  
  ---
  
  apiVersion: v1
  kind: Pod
  metadata:
    name: nginx
  spec:
    containers:
      - name: nginx
        image: nginx
        volumeMounts:
        - mountPath: "/var/www/html"
          name: mypd
    volumes:
      - name: mypd
        persistentVolumeClaim:
          claimName: pvc-log
  

• Doc:
  • https://kubernetes.io/docs/concepts/storage/persistent-volumes/
  • https://kubernetes.io/docs/concepts/storage/storage-classes/