anchor.diff:  To enable writing in SELinux on each node:
   
   ----
  -# setsebool -P virt_use_nfs 1 <1>
  +# setsebool -P virt_use_nfs 1
   ----
  -<1> `-P` makes the bool persistent between reboots.
   
  -Additionally, each exported volume on the NFS server itself should conform to
  -the following:
  +The `-P` option makes the bool persistent between reboots.
  +
  +Additionally, in order to enable arbitrary container users to read and write the
  +volume, each exported volume on the NFS server itself should conform to the
  +following:
   
   - Each export must be:
   
   ----
  -/example_fs *(rw,all_squash)
  +/<example_fs> *(rw,all_squash)
   ----
   
   - Each export must be owned by *nfsnobody*:
   
   ----
  -chown -R nfsnobody:nfsnobody /example_fs
  +chown -R nfsnobody:nfsnobody /<example_fs>
   ----
   
   - Each export must have the following permissions:
   
   ----
  -chmod 777
  +chmod 777 /<example_fs>
   ----
   
   [IMPORTANT]
   ====
  -The export above allows arbitrary users and clients to mount this volume.
  -Exports can be restricted to a range of IP addresses for hosts that will access
  -the volume. See `man exports` for more information.
  +The export definition above allows arbitrary network clients to mount this
  +volume. Exports can be restricted to a range of IP addresses for hosts that will
  +access the volume. See `man exports` for more information.
   ====
  
positive.code: and gives users a way to request those resources without having any knowledge of
  the underlying infrastructure.
  
  For a detailed example, see https://github.com/openshift/origin/tree/master/examples/wordpress[WordPress + MySql using NFS].
  
  
  [IMPORTANT]
  ====
  High-availability of a storage in the infrastructure is left to the underlying
  storage provider.
  ====
  
  
negative.code: server and path is up to the administrator.
  
  Enforcing quotas in this way allows the end user to request persistent storage
  by a specific amount (e.g, 10Gi) and be matched with a corresponding volume of
  equal or greater capacity.
  
  [[volume-security]]
  