apiVersion: v1
kind: Pod
metadata:
  name: data-migrate
  namespace: <NAMESPACE_YOU_WANT_TO_MIGRATE_TO>
spec:
  restartPolicy: Never
  containers:
    - name: migrate
      image: busybox
      command: ["sleep", "3600"]
      volumeMounts:
        - name: old-data
          mountPath: /old
        - name: new-data
          mountPath: /new
  nodeName: <NODE_NAME_THAT_HAS_DIR_YOU_WANT_TO_MIGRATE_FROM>
  volumes:
    - name: old-data
      hostPath:
        path: <DIR_YOU_WANT_TO_MIGRATE_FROM>
    - name: new-data
      persistentVolumeClaim:
        claimName: <PVC_YOU_WANT_TO_MIGRATE_TO>