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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Good for now.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The issue should be related to some situations that VM stop instance task is taking longer and it seems one of the periodic task is timing out.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">To avoid the exception, may try to increase some of the timeout values. Or increase the looping interval for retry…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">LK<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Kwan, Louie
<br>
<b>Sent:</b> Tuesday, February 20, 2018 5:17 PM<br>
<b>To:</b> 'OpenStack Development Mailing List (not for usage questions)'<br>
<b>Subject:</b> [openstack-dev] [masakari] [masakari-monitors] : Masakari notification failed.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Masakari community,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I would like to get your help to understand what may be causing the Masakari notification failed. I do get success cases which the engine got the notification,
VM got shutdown and rebooted ok.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Having said that, there are some cases that the notification failed and it seems there are some conflicts going on. 20% to 40% chance.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Feb 20 21:53:21 masakari-2 masakari-engine[3807]: 2018-02-20 21:53:21.517 WARNING masakari.engine.drivers.taskflow.driver [req-ce909151-1afb-4f2f-abf4-f25d54f25c6b
service None] Task 'masakari.engine.drivers.taskflow.instance_failure.StopInstanceTask;instance:recovery' (e85dec06-1498-482c-a63a-51f855745c32) transitioned into state 'FAILURE' from state 'RUNNING'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Feb 20 21:53:21 masakari-2 masakari-engine[3807]: 1 predecessors (most recent first):<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Feb 20 21:53:21 masakari-2 masakari-engine[3807]: Flow 'instance_recovery_engine': Conflict: Conflict<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Is it normal that masakari notification would be failed because of timing or conflicting events? FYI, I only have one VM and one active notification.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Enclosed is the log file I got from the engine.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I do appreciate if anyone of you can provide some insight what to do with the failure. Any tip where to look at etc? Timeout?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Louie<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">| notification_uuid | generated_time | status | type | source_host_uuid | p<i>a</i>yload
|<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">+--------------------------------------+----------------------------+----------+------+--------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">| 42ccee84-0ea5-4163-84a5-028a0bb914a3 | 2018-02-20T21:52:03.000000 |
</span><b><i><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#C00000">failed</span></i></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#C00000">
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">| VM | 66c8b5b9-03f5-4843-8a9c-fa83af807a9b | {u'instance_uuid': u'565da9ba-3c0c-4087-83ca-32a5a1b00a55', u'vir_domain_event': u'STOPPED_FAILED', u'event': u'QEMU_GUEST_AGENT_ERROR'}
|<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">| aa4184f3-b002-4ba8-a403-f22ccd4ce6b5 | 2018-02-20T21:42:54.000000 |
</span><b><i><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">finished</span></i></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">
<span style="color:#1F497D">| VM | 66c8b5b9-03f5-4843-8a9c-fa83af807a9b | {u'instance_uuid': u'565da9ba-3c0c-4087-83ca-32a5a1b00a55', u'vir_domain_event': u'STOPPED_FAILED', u'event': u'QEMU_GUEST_AGENT_ERROR'} |<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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