# Longhorn StorageClass - single unified storage class for the entire cluster
# Replaces: longhorn-wffc, longhorn-kafka, longhorn-static (all deprecated)
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: longhorn
  annotations:
    storageclass.kubernetes.io/is-default-class: "true"
    description: "Longhorn distributed storage - 3 replicas, WaitForFirstConsumer"
provisioner: driver.longhorn.io
allowVolumeExpansion: true
reclaimPolicy: Delete
volumeBindingMode: WaitForFirstConsumer  # Wait for pod scheduling before binding
parameters:
  numberOfReplicas: "3"           # HA across all 3 nodes
  staleReplicaTimeout: "30"
  fromBackup: ""
  dataLocality: "best-effort"     # Prefer local replica when possible
  fsType: "ext4"
  disableRevisionCounter: "true"  # Performance optimization
  unmapMarkSnapChainRemoved: "ignored"