---
kind: StorageClass
apiVersion: storage.k8s.io/v1

metadata:
  name: longhorn

provisioner: driver.longhorn.io
allowVolumeExpansion: true
reclaimPolicy: Delete
volumeBindingMode: Immediate

parameters:
  numberOfReplicas: "3"
  staleReplicaTimeout: "2880"
  fromBackup: ""

...
