apiVersion: operator.victoriametrics.com/v1beta1
kind: VMCluster
metadata:
  name: example-cluster
  namespace: monitoring
spec:
  vmstorage:
    storage:
      volumeClaimTemplate:
        metadata:
          name: foo-db    # THIS!!
        spec:
          storageClassName: ceph-hdd-block
          resources:
            requests:
              storage: 3Gi

  vmselect:
    replicaCount: 1

  vminsert:
    replicaCount: 1

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: vmstorage-example-cluster
  namespace: monitoring
spec:
  template:
    spec:
      containers:
        - args:
          (snip)
          volumeMounts:
            - mountPath: vmstorage-data
              name: vmstorage-db    # XXX
  volumeClaimTemplates:
    - apiVersion: v1
      kind: PersistentVolumeClaim
      metadata:
        name: foo-db    # The name given in VMCluster.spec.vmstorage.storage.volumeClaimTemplate.metadata.name
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 3Gi
        storageClassName: ceph-hdd-block
        volumeMode: Filesystem
      status:
        phase: Pending