Merge pull request #7319 from wattsteve/patch-1

Warning about Critical bug in the GlusterFS Volume Plugin

examples/glusterfs/README.md

@@ -1,3 +1,5 @@
+### Warning: Only use this plugin  in Read Only mode. There is currently [a critical bug](https://github.com/GoogleCloudPlatform/kubernetes/issues/7317) that deletes your data when used in Read/Write mode.
+
 ## Glusterfs
 
 [Glusterfs](http://www.gluster.org) is an open source scale-out filesystem. These examples provide information about how to allow containers use Glusterfs volumes.
@@ -44,4 +46,4 @@ $ kubectl get endpoints
 $ kubectl get pods
 ```
 
-If you ssh to that machine, you can run `docker ps` to see the actual pod and `mount` to see if the Glusterfs volume is mounted.
+If you ssh to that machine, you can run `docker ps` to see the actual pod and `mount` to see if the Glusterfs volume is mounted.