Thank Matt and Trevor, Sorry everybody! Because i begin to learning+alone. So, difficulty in check log and fix error. matt <-- I receive error when create some node group templates for the master and worker nodes. Then, i install sahara UI and already running test. Thank you very much! Best, DCloud -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20140710/673a2f8a/attachment.html>