storage-cluster

cat << EOF | oc create -f -
apiVersion: ocs.openshift.io/v1
kind: StorageCluster
metadata:
  name: ocs-storagecluster
  namespace: openshift-storage
spec:
  manageNodes: false
  monPVCTemplate:
    spec:
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 20Gi
      storageClassName: 'local-fs'
      volumeMode: Filesystem
  storageDeviceSets:
  - count: 1
    dataPVCTemplate:
      spec:
        accessModes:
        - ReadWriteOnce
        resources:
          requests:
            storage: 500Gi
        storageClassName: 'local-block'
        volumeMode: Block
    name: ocs-deviceset
    placement: {}
    portable: true
    replica: 3
    resources: {}
EOF