update group_vars sample for rolling_update variable

Signed-off-by: Andrew Schoen <aschoen@redhat.com>

diff --git a/group_vars/all.yml.sample b/group_vars/all.yml.sample
index c33c608699f32493e79813d577d80d7140b83b64..3c09f7c4d3535bd784209e4872cab4c38f09091d 100644 (file)
--- a/group_vars/all.yml.sample
+++ b/group_vars/all.yml.sample
@@ -410,3 +410,7 @@ dummy:
 # Set this to true to enable Object access via NFS. Requires an RGW role.
 #nfs_obj_gw: false
 
+# this is only here for usage with the rolling_update.yml playbook
+# do not ever change this here
+#rolling_update: false
+