Persistent Volumes

Persistent Volumes

# PersistentVolume (cluster-level storage)
apiVersion: v1
kind: PersistentVolume
metadata:
  name: mydata-pv
spec:
  capacity:
    storage: 10Gi
  accessModes: [ReadWriteOnce]
  persistentVolumeReclaimPolicy: Retain
  storageClassName: standard
  hostPath:
    path: /data/myapp

# PersistentVolumeClaim (request storage)
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mydata-pvc
spec:
  accessModes: [ReadWriteOnce]
  resources:
    requests:
      storage: 5Gi
  storageClassName: standard

# Use in pod
volumes:
  - name: data
    persistentVolumeClaim:
      claimName: mydata-pvc