I want to add one host to Ovirt Engine...but it's failed with the following error :-
Host installation failed. Network error during communication with the host.
2014-07-15 15:02:54,823 INFO [org.ovirt.engine.core.bll.InstallerMessages] (VdsDeploy) Installation
117.18.79.132: Starting vdsm
2014-07-15 15:02:54,846 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (VdsDeploy) Correlation ID: 1578d1a4, Call Stack: null, Custom Event ID: -1, Message: Installing Host Quanta. Starting vdsm.
2014-07-15 15:02:57,397 INFO [org.ovirt.engine.core.bll.InstallerMessages] (VdsDeploy) Installation
117.18.79.132: Stage: Pre-termination
2014-07-15 15:02:57,420 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (VdsDeploy) Correlation ID: 1578d1a4, Call Stack: null, Custom Event ID: -1, Message: Installing Host Quanta. Stage: Pre-termination.
2014-07-15 15:02:57,432 INFO [org.ovirt.engine.core.bll.InstallerMessages] (VdsDeploy) Installation
117.18.79.132: Retrieving installation logs to: '/var/log/ovirt-engine/host-deploy/ovirt-20140715150257-117.18.79.132-1578d1a4.log'
2014-07-15 15:02:57,454 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (VdsDeploy) Correlation ID: 1578d1a4, Call Stack: null, Custom Event ID: -1, Message: Installing Host Quanta. Retrieving installation logs to: '/var/log/ovirt-engine/host-deploy/ovirt-20140715150257-117.18.79.132-1578d1a4.log'.
2014-07-15 15:02:57,987 INFO [org.ovirt.engine.core.bll.InstallerMessages] (VdsDeploy) Installation
117.18.79.132: Stage: Termination
2014-07-15 15:02:58,020 INFO [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (VdsDeploy) Correlation ID: 1578d1a4, Call Stack: null, Custom Event ID: -1, Message: Installing Host Quanta. Stage: Termination.
2014-07-15 15:02:58,085 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.PollVDSCommand] (org.ovirt.thread.pool-6-thread-4) [1578d1a4] java.util.concurrent.ExecutionException: java.lang.reflect.InvocationTargetException
2014-07-15 15:02:58,102 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.PollVDSCommand] (org.ovirt.thread.pool-6-thread-4) [1578d1a4] Command PollVDSCommand(HostName = Quanta, HostId = 7ae46f46-0b00-47b6-880c-7fd93354c3c5) execution failed. Exception: RuntimeException: java.util.concurrent.ExecutionException: java.lang.reflect.InvocationTargetException
2014-07-15 15:02:58,603 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.PollVDSCommand] (org.ovirt.thread.pool-6-thread-4) [1578d1a4] java.util.concurrent.ExecutionException: java.lang.reflect.InvocationTargetException
2014-07-15 15:02:58,620 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.PollVDSCommand] (org.ovirt.thread.pool-6-thread-4) [1578d1a4] Command PollVDSCommand(HostName = Quanta, HostId = 7ae46f46-0b00-47b6-880c-7fd93354c3c5) execution failed. Exception: RuntimeException: java.util.concurrent.ExecutionException: java.lang.reflect.InvocationTargetException