anchor.diff:  apiVersion: v1
   kind: Endpoints
   metadata:
  -  name: gluster-endpoints <1>
  +  name: gluster-cluster <1>
   subsets:
   - addresses:              <2>
     - ip: 192.168.122.21
  
positive.code: apiVersion: v1
  kind: Service
  metadata:
    name: gluster-service <1>
  spec:
    ports:
    - port: 1 <2>
  
negative.code:   accessModes:
    - ReadWriteMany    <3>
    glusterfs:         <4>
      endpoints: gluster-cluster <5>
      path: /HadoopVol <6>
      readOnly: false
    persistentVolumeReclaimPolicy: Retain <7>
  