On 03/11/2014 04:09 PM, Sandro Bonazzola wrote:
Il 07/03/2014 01:10, Jason Brooks ha scritto:
Hey everyone, I've been testing out oVirt 3.4 w/ hosted engine, and
while I've managed to bring the engine up, I've only been able to do it
manually, using "hosted-engine --vm-start".

The ovirt-ha-agent service fails reliably for me, erroring out with
"RequestError: Request failed: success."

I've pasted error passages from the ha agent and vdsm logs below.

Any pointers?

Regards, Jason

***

ovirt-ha-agent.log

MainThread::CRITICAL::2014-03-06
18:48:30,622::agent::103::ovirt_hosted_engine_ha.agent.agent.Agent::(run) Could 
not start ha-agent
Traceback (most recent call last):
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", line 
97, in run
     self._run_agent()
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/agent.py", line 
154, in _run_agent

hosted_engine.HostedEngine(self.shutdown_requested).start_monitoring()
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
 line 303, in start_monitoring
     for old_state, state, delay in self.fsm:
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/fsm/machine.py", 
line 125, in next
     new_data = self.refresh(self._state.data)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/state_machine.py",
 line 77, in refresh
     stats.update(self.hosted_engine.collect_stats())
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/agent/hosted_engine.py",
 line 623, in collect_stats
     constants.SERVICE_TYPE)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
line 171, in get_stats_from_storage
     result = self._checked_communicate(request)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
line 198, in _checked_communicate
     raise RequestError("Request failed: {0}".format(msg))
RequestError: Request failed: success


vdsm.log

Thread-29::ERROR::2014-03-06 18:48:11,101::API::1607::vds::(_getHaInfo)
failed to retrieve Hosted Engine HA info
Traceback (most recent call last):
   File "/usr/share/vdsm/API.py", line 1598, in _getHaInfo
     stats = instance.get_all_stats()
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", 
line 86, in get_all_stats
     constants.SERVICE_TYPE)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
line 171, in get_stats_from_storage
     result = self._checked_communicate(request)
   File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", 
line 198, in _checked_communicate
     raise RequestError("Request failed: {0}".format(msg))
RequestError: Request failed: success


Greg, Martin, "Request failed: success" ?

Hi Jason,

I talked to Martin about this and opened a bug [1]/submitted a patch [2]. Based on your mail, I'm not sure if you experienced a race condition or some other issue. This patch should help the former case, but if you're still experiencing problems then we would need to investigate further.

Thanks,
Greg

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1075126
[2] http://gerrit.ovirt.org/#/c/25621/



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