anchor.diff:  === *statefulset*- a StatefulSet example
   
   This example shows how to use a StatefulSet (available
  -in Openshift Origin 1.5) to create a PostgreSQL cluster.
  +in OpenShift Origin 1.5) to create a PostgreSQL cluster.
   
   Build the example by:
   ....
  
positive.code:  * add VG=docker-vg to /etc/sysconfig/docker-storage-setup
   * run docker-storage-setup to use that new volume group
  
  Follow the instructions available link:https://docs.openshift.com/container-platform/3.4/install_config/install/host_preparation.html#configuring-docker-storage[on the main Openshift documentation page]
  to better understand how to customize Docker storage according to your needs.
  
  == Legal Notices
  
negative.code: backup will be stored in a subdirectory with a timestamp as the name.  This
  allows any number of backups to be kept.
  
  The *examples/openshift/crunchy-pv-backup.json* specifies a *persistentVolumeReclaimPolicy* of *Retain* to tell OpenShift
  that we want to keep the volume contents after the removal of the PV.
  
  === *master-pvc* - master using a PVC Example
  