The snippet for creating the storage class for a particular zone is the following:
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
name: standard-us-west1-a
provisioner: kubernetes.io/gce-pd
parameters:
type: pd-standard
replication-type: none
zone: us-west1-a
---
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
name: standard-us-west1-b
provisioner: kubernetes.io/gce-pd
parameters:
type: pd-standard
replication-type: none
zone: us-west1-b
---
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
name: standard-us-west1-c
provisioner: kubernetes.io/gce-pd
parameters:
type: pd-standard
replication-type: none
zone: us-west1-c
---