---
# For workloads with application-level replication.
# Longhorn replication is redundant for these -- replica=1 avoids double-writing.
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: longhorn-single
  annotations:
    storageclass.kubernetes.io/is-default-class: "false"
provisioner: driver.longhorn.io
allowVolumeExpansion: true
reclaimPolicy: Retain
volumeBindingMode: WaitForFirstConsumer
parameters:
  numberOfReplicas: "1"
  staleReplicaTimeout: "30"
  fsType: "xfs"
  dataLocality: "strict-local"
---
# For workloads that do not replicate data at the application layer.
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: longhorn-double
  annotations:
    storageclass.kubernetes.io/is-default-class: "false"
provisioner: driver.longhorn.io
allowVolumeExpansion: true
reclaimPolicy: Retain
volumeBindingMode: WaitForFirstConsumer
parameters:
  numberOfReplicas: "2"
  staleReplicaTimeout: "30"
  fsType: "xfs"
  dataLocality: "best-effort"
---
# For shared filesystem workloads that need true cross-node RWX.
# The default longhorn class is migratable and creates a blockdev volume, not
# a share-manager backed RWX filesystem.
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: longhorn-rwx
  annotations:
    storageclass.kubernetes.io/is-default-class: "false"
provisioner: driver.longhorn.io
allowVolumeExpansion: true
reclaimPolicy: Retain
volumeBindingMode: WaitForFirstConsumer
parameters:
  numberOfReplicas: "3"
  staleReplicaTimeout: "30"
  fsType: "xfs"
  dataLocality: "best-effort"
  diskSelector: "ssd"
  migratable: "false"
---
# Block-replicated volumes on hdd-tagged disks.
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: longhorn-hdd-double
  annotations:
    storageclass.kubernetes.io/is-default-class: "false"
provisioner: driver.longhorn.io
allowVolumeExpansion: true
reclaimPolicy: Retain
volumeBindingMode: WaitForFirstConsumer
parameters:
  numberOfReplicas: "2"
  staleReplicaTimeout: "30"
  fsType: "xfs"
  dataLocality: "best-effort"
  diskSelector: "hdd"