apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: redis-data
  namespace: middleware
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: longhorn # 指向你刚装好的 Longhorn
  resources:
    requests:
      storage: 5Gi # Redis 主要是内存存储，5G 足够放持久化文件了