[Users] Unable to Adding Local host issue

Hi, All I have been experienced an issue on my oVirt installation which failed on this step, Installing: AIO: Validating CPU Compatibility... [ DONE ] Configuring oVirt-engine... [ DONE ] Creating CA... [ DONE ] Editing JBoss Configuration... [ DONE ] Setting Database Configuration... [ DONE ] Setting Database Security... [ DONE ] Creating Database... [ DONE ] Updating the Default Data Center Storage Type... [ DONE ] Editing oVirt Engine Configuration... [ DONE ] Editing Postgresql Configuration... [ DONE ] Configuring the Default ISO Domain... [ DONE ] Configuring Firewall (iptables)... [ DONE ] Starting JBoss Service... [ DONE ] Handling HTTPD... [ DONE ] AIO: Creating storage directory... [ DONE ] AIO: Adding Local Datacenter and cluster... [ DONE ] AIO: Adding Local host (This may take several minutes)... [ ERROR ] Error: Timed out while waiting for host to start whatever I still couldnot get it fix. Could you please give any help? list my enviroment below and see log enclosed for details OS:CentOS 6 x86-64 Repo: http://www.dreyou.org/ovirt/ovirt-dre.repo PKG: ovirt-engine-setup-plugin-allinone.noarch With many thanks -Johnny Tao