anchor.diff:      pool: rbd
       image: ceph-image
       user: admin
  -    secretRef: 
  +    secretRef:
         name: ceph-secret <6>
       fsType: ext4        <7>
       readOnly: false
     persistentVolumeReclaimPolicy: Recycle
   ----
  -<1> The name of the PV which is referenced in pod definitions or displayed in
  +<1> The name of the PV, which is referenced in pod definitions or displayed in
   various `oc` volume commands.
   <2> The amount of storage allocated to this volume.
  -<3> `accessModes` are used as labels to match a PV and a PVC. They currently
  +<3> `*accessModes*` are used as labels to match a PV and a PVC. They currently
   do not define any form of access control. All block storage is defined to be
   single user (non-shared storage).
  -<4> This defines the volume type being used, in this case the *rbd* plug-in.
  -<5> This is an array of Ceph monitor ip addresses and ports.
  -<6> This is the Ceph secret, define above, used to create a secure connection
  -from OpenShift to the Ceph server.
  +<4> This defines the volume type being used. In this case, the *rbd* plug-in is
  +defined.
  +<5> This is an array of Ceph monitor IP addresses and ports.
  +<6> This is the Ceph secret, defined above. It is used to create a secure
  +connection from {product-title} to the Ceph server.
   <7> This is the file system type mounted on the Ceph RBD block device.
   ====
   
  
positive.code:       readOnly: false
    volumes:
    - name: ceph-vol1         <3>
      persistentVolumeClaim: 
        claimName: ceph-claim <5>
  ----
  <1> The name of this pod as displayed by `oc get pod`.
  <2> The image run by this pod, In this case we're just telling busybox to sleep.
  <3> The name of the volume. This name must be the same in both the `containers` and `volumes` sections.
  
  <4> The mount path as seen in the container.
  <5> The PVC that is bound to the Ceph RBD cluster.
  ====
  
negative.code: ----
  apiVersion: v1
  kind: PersistentVolume
  metadata:
    name: ceph-pv     <1>
  spec:
    capacity:
      storage: 2Gi    <2>
    accessModes:
  