README: Note that you can also issue ansible commands against the cluster.

diff --git a/README b/README
index 0c4e473..affc5fe 100644 (file)
--- a/README
+++ b/README
@@ -29,6 +29,12 @@ Example commands
    mclu info                     Print general configuration information
    mclu --help                   Print help on all commands
 
+Since the mclu cluster is based on an ansible "hosts group", you can
+also issue ansible commands, eg:
+
+   ansible cluster -u root -a "yum -y update"   Upgrade all nodes in the cluster
+   ansible cluster -m ping                      Ping all nodes
+
 Configuration notes
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