Fence_xvm requires a key is deployed on both the Host and the VMs in order to succeed. What is happening when you use the cli on any of the VMs ?
Also, the VMs require an open tcp port to receive the necessary output of each request.

Best Regards,
Strahil Nikolov






В понеделник, 14 декември 2020 г., 10:57:11 Гринуич+2, Alex K <rightkicktech@gmail.com> написа:





Hi friends,

I was wondering what is needed to setup fence_xvm in order to use for power management in virtual nested environments for testing purposes.

I have followed the following steps:
https://github.com/rightkick/Notes/blob/master/Ovirt-fence_xmv.md

I tried also engine-config -s CustomFenceAgentMapping="fence_xvm=_fence_xvm"
From command line all seems fine and I can get the status of the host VMs, but I was not able to find what is needed to set this up at engine UI:


At username and pass I just filled dummy values as they should not be needed for fence_xvm.
I always get an error at GUI while engine logs give:


2020-12-14 08:53:48,343Z WARN  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-4) [07c1d540-6d8d-419c-affb-181495d75759] EVENT_ID: VDS_ALERT_FENCE_TEST_FAILED(9,001), Power Management test failed for Host kvm0.lab.local.Internal JSON-RPC error
2020-12-14 08:53:48,343Z INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (default task-4) [07c1d540-6d8d-419c-affb-181495d75759] FINISH, FenceVdsVDSCommand, return: FenceOperationResult:{status='ERROR', powerStatus='UNKNOWN', message='Internal JSON-RPC error'}, log id: 2437b13c
2020-12-14 08:53:48,400Z WARN  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-4) [07c1d540-6d8d-419c-affb-181495d75759] EVENT_ID: FENCE_OPERATION_USING_AGENT_AND_PROXY_FAILED(9,021), Execution of power management status on Host kvm0.lab.local using Proxy Host kvm1.lab.local and Fence Agent fence_xvm:225.0.0.12 failed.
2020-12-14 08:53:48,400Z WARN  [org.ovirt.engine.core.bll.pm.FenceAgentExecutor] (default task-4) [07c1d540-6d8d-419c-affb-181495d75759] Fence action failed using proxy host 'kvm1.lab.local', trying another proxy
2020-12-14 08:53:48,485Z ERROR [org.ovirt.engine.core.bll.pm.FenceProxyLocator] (default task-4) [07c1d540-6d8d-419c-affb-181495d75759] Can not run fence action on host 'kvm0.lab.local', no suitable proxy host was found.
2020-12-14 08:53:48,486Z WARN  [org.ovirt.engine.core.bll.pm.FenceAgentExecutor] (default task-4) [07c1d540-6d8d-419c-affb-181495d75759] Failed to find another proxy to re-run failed fence action, retrying with the same proxy 'kvm1.lab.local'
2020-12-14 08:53:48,582Z WARN  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-4) [07c1d540-6d8d-419c-affb-181495d75759] EVENT_ID: VDS_ALERT_FENCE_TEST_FAILED(9,001), Power Management test failed for Host kvm0.lab.local.Internal JSON-RPC error
2020-12-14 08:53:48,582Z INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (default task-4) [07c1d540-6d8d-419c-affb-181495d75759] FINISH, FenceVdsVDSCommand, return: FenceOperationResult:{status='ERROR', powerStatus='UNKNOWN', message='Internal JSON-RPC error'}, log id: 8607bc9
2020-12-14 08:53:48,637Z WARN  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default task-4) [07c1d540-6d8d-419c-affb-181495d75759] EVENT_ID: FENCE_OPERATION_USING_AGENT_AND_PROXY_FAILED(9,021), Execution of power management status on Host kvm0.lab.local using Proxy Host kvm1.lab.local and Fence Agent fence_xvm:225.0.0.12 failed.


Any idea?

Thanx,
Alex


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