apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: low-latency
  annotations:
    storageclass.kubernetes.io/is-default-class: "false"
provisioner: csi-driver.example-vendor.example
reclaimPolicy: Retain # 默认值是 Delete
allowVolumeExpansion: true
mountOptions:
  - discard # 这可能会在块存储层启用 UNMAP/TRIM
volumeBindingMode: WaitForFirstConsumer
parameters:
  guaranteedReadWriteLatency: "true" # 这是服务提供商特定的