demo-vol-update.yml

apiVersion: storage.k8s.io/v1beta1
kind: VolumeAttributesClass
metadata:
  name: silver
driverName: pd.csi.storage.gke.io
parameters:
  throughput: "350"
  iops: "6000"
---
apiVersion: storage.k8s.io/v1beta1
kind: VolumeAttributesClass
metadata:
  name: gold
driverName: pd.csi.storage.gke.io
parameters:
  throughput: "550"
  iops: "15000"
---
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: balanced
provisioner: pd.csi.storage.gke.io
allowVolumeExpansion: true
volumeBindingMode: WaitForFirstConsumer
parameters:
  type: hyperdisk-balanced
  provisioned-throughput-on-create: "300Mi"
  provisioned-iops-on-create: "5000"
---
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: throughput-optimized
provisioner: pd.csi.storage.gke.io
volumeBindingMode: WaitForFirstConsumer
allowVolumeExpansion: true
parameters:
  type: hyperdisk-balanced
  provisioned-throughput-on-create: "500Mi"
  provisioned-iops-on-create: "10000"

---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: balanced-pvc
spec:
  volumeAttributesClassName: silver
  storageClassName: balanced
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 256Gi
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: throughput-optimized-pvc
spec:
  volumeAttributesClassName: silver
  storageClassName: throughput-optimized
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 256Gi
---
kind: Pod
apiVersion: v1
metadata:
  name: pod-demo
spec:
  volumes:
    - name: pvc-demo-vol
      persistentVolumeClaim:
       claimName: balanced-pvc
    - name: data-vol
      persistentVolumeClaim:
        claimName: throughput-optimized-pvc
  containers:
    - name: pod-demo
      image: nginx:latest
      resources:
        limits:
          cpu: 10m
          memory: 80Mi
        requests:
          cpu: 10m
          memory: 80Mi
      ports:
        - containerPort: 80
          name: "http-server"
      volumeMounts:
        - mountPath: "/usr/share/nginx/html"
          name: pvc-demo-vol
        - mountPath: "/data"
          name: data-vol