Kubernetes 存储卷：PVC 与 StorageClass 最小示例

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: fast
provisioner: kubernetes.io/no-provisioner
volumeBindingMode: WaitForFirstConsumer

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: data-pvc
spec:
  accessModes: ["ReadWriteOnce"]
  resources:
    requests:
      storage: 1Gi
  storageClassName: fast
---
apiVersion: v1
kind: Pod
metadata:
  name: app
spec:
  containers:
    - name: c
      image: busybox
      command: ['sh', '-c', 'sleep 3600']
      volumeMounts:
        - name: data
          mountPath: /data
  volumes:
    - name: data
      persistentVolumeClaim:
        claimName: data-pvc