[ovirt-users] Non-responsive host, VM's are still running - how to resolve?

Tue Nov 14 17:23:32 UTC 2017

Apparently, i lost the host which was running hosted-engine and another 4
VM's exactly during migration of second host from bare-metal to second host
in the cluster. For some reason first host entered the "Non reponsive"
state. The interesting thing is that hosted-engine and all other VM's up
and running, so its like a communication problem between hosted-engine and
host.

The engine.log at hosted-engine is full of following messages:

2017-11-14 17:06:43,158Z INFO
[org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor)
[] Connecting to ovirt2/80.239.162.106
2017-11-14 17:06:43,159Z ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand]
(DefaultQuartzScheduler9) [50938c3] Command
'GetAllVmStatsVDSCommand(HostName = ovirt2.telia.ru,
VdsIdVDSCommandParametersBase:{runAsync='true',
hostId='3970247c-69eb-4bd8-b263-9100703a8243'})' execution failed:
java.net.NoRouteToHostException: No route to host
2017-11-14 17:06:43,159Z INFO
[org.ovirt.engine.core.vdsbroker.monitoring.PollVmStatsRefresher]
(DefaultQuartzScheduler9) [50938c3] Failed to fetch vms info for host '
ovirt2.telia.ru' - skipping VMs monitoring.
2017-11-14 17:06:45,929Z INFO
[org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor)
[] Connecting to ovirt2/80.239.162.106
2017-11-14 17:06:45,930Z ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand]
(DefaultQuartzScheduler2) [6080f1cc] Command
'GetCapabilitiesVDSCommand(HostName = ovirt2.telia.ru,
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
hostId='3970247c-69eb-4bd8-b263-9100703a8243',
vds='Host[ovirt2.telia.ru,3970247c-69eb-4bd8-b263-9100703a8243]'})'
execution failed: java.net.NoRouteToHostException: No route to host
2017-11-14 17:06:45,930Z ERROR
[org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring]
(DefaultQuartzScheduler2) [6080f1cc] Failure to refresh host '
ovirt2.telia.ru' runtime info: java.net.NoRouteToHostException: No route to
host
2017-11-14 17:06:48,933Z INFO
[org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor)
[] Connecting to ovirt2/80.239.162.106
2017-11-14 17:06:48,934Z ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand]
(DefaultQuartzScheduler6) [1a64dfea] Command
'GetCapabilitiesVDSCommand(HostName = ovirt2.telia.ru,
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
hostId='3970247c-69eb-4bd8-b263-9100703a8243',
vds='Host[ovirt2.telia.ru,3970247c-69eb-4bd8-b263-9100703a8243]'})'
execution failed: java.net.NoRouteToHostException: No route to host
2017-11-14 17:06:48,934Z ERROR
[org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring]
(DefaultQuartzScheduler6) [1a64dfea] Failure to refresh host '
ovirt2.telia.ru' runtime info: java.net.NoRouteToHostException: No route to
host
2017-11-14 17:06:50,931Z INFO
[org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor)
[] Connecting to ovirt2/80.239.162.106
2017-11-14 17:06:50,932Z ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.SpmStatusVDSCommand]
(DefaultQuartzScheduler4) [6b19d168] Command 'SpmStatusVDSCommand(HostName
= ovirt2.telia.ru, SpmStatusVDSCommandParameters:{runAsync='true',
hostId='3970247c-69eb-4bd8-b263-9100703a8243',
storagePoolId='5a044257-02ec-0382-0243-0000000001f2'})' execution failed:
java.net.NoRouteToHostException: No route to host
2017-11-14 17:06:50,939Z INFO
[org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor)
[] Connecting to ovirt2/80.239.162.106
2017-11-14 17:06:50,940Z ERROR
[org.ovirt.engine.core.vdsbroker.irsbroker.IrsBrokerCommand]
(DefaultQuartzScheduler4) [6b19d168]
IrsBroker::Failed::GetStoragePoolInfoVDS
2017-11-14 17:06:50,940Z ERROR
[org.ovirt.engine.core.vdsbroker.irsbroker.GetStoragePoolInfoVDSCommand]
(DefaultQuartzScheduler4) [6b19d168] Command 'GetStoragePoolInfoVDSCommand(
GetStoragePoolInfoVDSCommandParameters:{runAsync='true',
storagePoolId='5a044257-02ec-0382-0243-0000000001f2',
ignoreFailoverLimit='true'})' execution failed: IRSProtocolException:
2017-11-14 17:06:51,937Z INFO
[org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor)
[] Connecting to ovirt2/80.239.162.106
2017-11-14 17:06:51,938Z ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand]
(DefaultQuartzScheduler7) [7f23a3bd] Command
'GetCapabilitiesVDSCommand(HostName = ovirt2.telia.ru,
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
hostId='3970247c-69eb-4bd8-b263-9100703a8243',
vds='Host[ovirt2.telia.ru,3970247c-69eb-4bd8-b263-9100703a8243]'})'
execution failed: java.net.NoRouteToHostException: No route to host
2017-11-14 17:06:51,938Z ERROR
[org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring]
(DefaultQuartzScheduler7) [7f23a3bd] Failure to refresh host '
ovirt2.telia.ru' runtime info: java.net.NoRouteToHostException: No route to
host
2017-11-14 17:06:54,941Z INFO
[org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor)
[] Connecting to ovirt2/80.239.162.106
2017-11-14 17:06:54,942Z ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesVDSCommand]
(DefaultQuartzScheduler2) [7a769f6c] Command
'GetCapabilitiesVDSCommand(HostName = ovirt2.telia.ru,
VdsIdAndVdsVDSCommandParametersBase:{runAsync='true',
hostId='3970247c-69eb-4bd8-b263-9100703a8243',
vds='Host[ovirt2.telia.ru,3970247c-69eb-4bd8-b263-9100703a8243]'})'
execution failed: java.net.NoRouteToHostException: No route to host
2017-11-14 17:06:54,942Z ERROR
[org.ovirt.engine.core.vdsbroker.monitoring.HostMonitoring]
(DefaultQuartzScheduler2) [7a769f6c] Failure to refresh host '
ovirt2.telia.ru' runtime info: java.net.NoRouteToHostException: No route to
host

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?

Regards,
Artem
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