<div dir="ltr">Apparently, i lost the host which was running hosted-engine and another 4 VM&#39;s exactly during migration of second host from bare-metal to second host in the cluster. For some reason first host entered the &quot;Non reponsive&quot; state. The interesting thing is that hosted-engine and all other VM&#39;s up and running, so its like a communication problem between hosted-engine and host. <div><br></div><div>The engine.log at hosted-engine is full of following messages:</div><div><br></div><div><div>2017-11-14 17:06:43,158Z INFO  [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to ovirt2/<a href="http://80.239.162.106">80.239.162.106</a></div><div>2017-11-14 17:06:43,159Z ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand] (DefaultQuartzScheduler9) [50938c3] Command &#39;GetAllVmStatsVDSCommand(HostName = <a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>, VdsIdVDSCommandParametersBase:{runAsync=&#39;true&#39;, hostId=&#39;3970247c-69eb-4bd8-b263-9100703a8243&#39;})&#39; execution failed: java.net.NoRouteToHostException: No route to host</div><div>2017-11-14 17:06:43,159Z INFO  [org.ovirt.engine.core.vdsbroker.monitoring.PollVmStatsRefresher] (DefaultQuartzScheduler9) [50938c3] Failed to fetch vms info for host &#39;<a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>&#39; - skipping VMs monitoring.</div><div>2017-11-14 17:06:45,929Z INFO  [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to ovirt2/<a href="http://80.239.162.106">80.239.162.106</a></div><div>2017-11-14 17:06:45,930Z ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand] (DefaultQuartzScheduler2) [6080f1cc] Command &#39;GetCapabilitiesVDSCommand(HostName = <a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>, VdsIdAndVdsVDSCommandParametersBase:{runAsync=&#39;true&#39;, hostId=&#39;3970247c-69eb-4bd8-b263-9100703a8243&#39;, vds=&#39;Host[<a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>,3970247c-69eb-4bd8-b263-9100703a8243]&#39;})&#39; execution failed: java.net.NoRouteToHostException: No route to host</div><div>2017-11-14 17:06:45,930Z ERROR [org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring] (DefaultQuartzScheduler2) [6080f1cc] Failure to refresh host &#39;<a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>&#39; runtime info: java.net.NoRouteToHostException: No route to host</div><div>2017-11-14 17:06:48,933Z INFO  [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to ovirt2/<a href="http://80.239.162.106">80.239.162.106</a></div><div>2017-11-14 17:06:48,934Z ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand] (DefaultQuartzScheduler6) [1a64dfea] Command &#39;GetCapabilitiesVDSCommand(HostName = <a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>, VdsIdAndVdsVDSCommandParametersBase:{runAsync=&#39;true&#39;, hostId=&#39;3970247c-69eb-4bd8-b263-9100703a8243&#39;, vds=&#39;Host[<a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>,3970247c-69eb-4bd8-b263-9100703a8243]&#39;})&#39; execution failed: java.net.NoRouteToHostException: No route to host</div><div>2017-11-14 17:06:48,934Z ERROR [org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring] (DefaultQuartzScheduler6) [1a64dfea] Failure to refresh host &#39;<a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>&#39; runtime info: java.net.NoRouteToHostException: No route to host</div><div>2017-11-14 17:06:50,931Z INFO  [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to ovirt2/<a href="http://80.239.162.106">80.239.162.106</a></div><div>2017-11-14 17:06:50,932Z ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.SpmStatusVDSCommand] (DefaultQuartzScheduler4) [6b19d168] Command &#39;SpmStatusVDSCommand(HostName = <a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>, SpmStatusVDSCommandParameters:{runAsync=&#39;true&#39;, hostId=&#39;3970247c-69eb-4bd8-b263-9100703a8243&#39;, storagePoolId=&#39;5a044257-02ec-0382-0243-0000000001f2&#39;})&#39; execution failed: java.net.NoRouteToHostException: No route to host</div><div>2017-11-14 17:06:50,939Z INFO  [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to ovirt2/<a href="http://80.239.162.106">80.239.162.106</a></div><div>2017-11-14 17:06:50,940Z ERROR [org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand] (DefaultQuartzScheduler4) [6b19d168] IrsBroker::Failed::GetStoragePoolInfoVDS</div><div>2017-11-14 17:06:50,940Z ERROR [org.ovirt.engine.core.vdsbroker.irsbroker.GetStoragePoolInfoVDSCommand] (DefaultQuartzScheduler4) [6b19d168] Command &#39;GetStoragePoolInfoVDSCommand( GetStoragePoolInfoVDSCommandParameters:{runAsync=&#39;true&#39;, storagePoolId=&#39;5a044257-02ec-0382-0243-0000000001f2&#39;, ignoreFailoverLimit=&#39;true&#39;})&#39; execution failed: IRSProtocolException: </div><div>2017-11-14 17:06:51,937Z INFO  [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to ovirt2/<a href="http://80.239.162.106">80.239.162.106</a></div><div>2017-11-14 17:06:51,938Z ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand] (DefaultQuartzScheduler7) [7f23a3bd] Command &#39;GetCapabilitiesVDSCommand(HostName = <a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>, VdsIdAndVdsVDSCommandParametersBase:{runAsync=&#39;true&#39;, hostId=&#39;3970247c-69eb-4bd8-b263-9100703a8243&#39;, vds=&#39;Host[<a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>,3970247c-69eb-4bd8-b263-9100703a8243]&#39;})&#39; execution failed: java.net.NoRouteToHostException: No route to host</div><div>2017-11-14 17:06:51,938Z ERROR [org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring] (DefaultQuartzScheduler7) [7f23a3bd] Failure to refresh host &#39;<a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>&#39; runtime info: java.net.NoRouteToHostException: No route to host</div><div>2017-11-14 17:06:54,941Z INFO  [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) [] Connecting to ovirt2/<a href="http://80.239.162.106">80.239.162.106</a></div><div>2017-11-14 17:06:54,942Z ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand] (DefaultQuartzScheduler2) [7a769f6c] Command &#39;GetCapabilitiesVDSCommand(HostName = <a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>, VdsIdAndVdsVDSCommandParametersBase:{runAsync=&#39;true&#39;, hostId=&#39;3970247c-69eb-4bd8-b263-9100703a8243&#39;, vds=&#39;Host[<a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>,3970247c-69eb-4bd8-b263-9100703a8243]&#39;})&#39; execution failed: java.net.NoRouteToHostException: No route to host</div><div>2017-11-14 17:06:54,942Z ERROR [org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring] (DefaultQuartzScheduler2) [7a769f6c] Failure to refresh host &#39;<a href="http://ovirt2.telia.ru">ovirt2.telia.ru</a>&#39; runtime info: java.net.NoRouteToHostException: No route to host</div></div><div><br></div><div>Its a bit weird, since I can ping and login via ssh to the host from hosted-engine with no problem. I have added second host to the cluster, but it not running hosted-engine. Any suggestion for the further steps? Just reboot the host and hope for the best?</div><div><br></div><div>Regards,</div><div>Artem</div></div>