RHEV Manager UI に報告される Power Management test failed for Host エラーを解析する

Issue

• Power Management test failed for Host メッセージが RHEV-M UI に報告されました。

• RHEV Manager の /var/log/ovirt-engine/engine.log ファイルに以下のメッセージが出力されています。

  2013-06-05 10:31:22,412 INFO  [org.ovirt.engine.core.bll.FencingExecutor] (QuartzScheduler_Worker-34) Executing <Status> Power Management command, Proxy Host:Host13, Agent:ilo, Target Host:Host12, Management IP:x.x.x.x, User:PowerManager, Options:secure=false
  2013-06-05 10:31:22,414 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (QuartzScheduler_Worker-34) START, FenceVdsVDSCommand(vdsId = b3490af2-bb11-11e2-8f5b-00270e30f3ee, targetVdsId = a742986f-600b-45a7-92c2-07708fec950a, action = Status, ip = x.x.x.x, port = , type = ilo, user = PowerManager, password = ******, options = 'secure=false'), log id: 18313a19
  2013-06-05 10:31:32,597 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerCommand] (QuartzScheduler_Worker-34) XML RPC error in command FenceVdsVDS ( Vds: Host13 ), the error was: java.util.concurrent.ExecutionException: java.lang.reflect.InvocationTargetException 
  2013-06-05 10:31:32,630 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase] (QuartzScheduler_Worker-34) Command org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand return value 
  Class Name: org.ovirt.engine.core.vdsbroker.vdsbroker.FenceStatusReturnForXmlRpc
  Power                         on
  mStatus                       Class Name: org.ovirt.engine.core.vdsbroker.vdsbroker.StatusForXmlRpc
  mCode                         0
  mMessage                      Done