Hi, On Tue, Jun 07, 2016 at 08:16:00PM +0000, Padmanabhan Krishnan wrote: > Hello, I am trying to install the undercloud and basic overcloud as > VM’s. My undercloud VM is installed and I am able to login to that > fine. I was following the instructions in > http://docs.openstack.org/developer/tripleo-docs/basic_deployment/basic_deployment_cli.html > to deploy the overcloud. In order to build the images, I need to apply > some manual patches like the ones in > https://bugzilla.redhat.com/show_bug.cgi?id=1304395 and after that the > images are built. The BM introspection also went fine. For both the > controller and compute I get the error. “No valid host found. There > are not enough hosts available. Error 500”. The "No valid host was found" errors can mean a lot of things. Basically nova was unable to allocate a node for the deployment. The root causes can be many. This page has some tips: http://tripleo.org/troubleshooting/troubleshooting.html#no-valid-host-found-error hth, Michele -- Michele Baldessari <michele at acksyn.org> C2A5 9DA3 9961 4FFB E01B D0BC DDD4 DCCB 7515 5C6D