[ovirt-users] Hosted-Engine HA problem

[Vijay Bellur]

On 10/30/2014 06:45 PM, Jiri Moskovcak wrote:
> On 10/30/2014 09:22 AM, Jaicel R. Sabonsolin wrote:
>> Hi Guys,
>>
>> I need help with my ovirt Hosted-Engine HA setup. I am running on 2
>> ovirt hosts and 2 gluster nodes with replicated volumes. i already have
>> VMs running on my hosts and they can migrate normally once i for example
>> power off the host that they are running on. the problem is that the
>> engine can't migrate once i switch off the host that hosts the engine.
>>
>>     oVirt        3.4.3-1.el6
>>     KVM         0.12.1.2 - 2.415.el6_5.10
>>     LIBVIRT   libvirt-0.10.2-29.el6_5.9
>>     VDSM      vdsm-4.14.17-0.el6
>>
>>
>> right now, i have this result from hosted-engine --vm-status.
>>
>>        File "/usr/lib64/python2.6/runpy.py", line 122, in
>>     _run_module_as_main
>>          "__main__", fname, loader, pkg_name)
>>        File "/usr/lib64/python2.6/runpy.py", line 34, in _run_code
>>          exec code in run_globals
>>        File
>>
>> "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_setup/vm_status.py",
>>
>>     line 111, in <module>
>>          if not status_checker.print_status():
>>        File
>>
>> "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_setup/vm_status.py",
>>
>>     line 58, in print_status
>>          all_host_stats = ha_cli.get_all_host_stats()
>>        File
>>
>> "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/client/client.py",
>>
>>     line 137, in get_all_host_stats
>>          return self.get_all_stats(self.StatModes.HOST)
>>        File
>>
>> "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/client/client.py",
>>
>>     line 86, in get_all_stats
>>          constants.SERVICE_TYPE)
>>        File
>>
>> "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py",
>>
>>     line 171, in get_stats_from_storage
>>          result = self._checked_communicate(request)
>>        File
>>
>> "/usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py",
>>
>>     line 199, in _checked_communicate
>>          .format(message or response))
>>     ovirt_hosted_engine_ha.lib.exceptions.RequestError: Request failed:
>>     <type 'exceptions.OSError'>
>>
>>
>> restarting ha-broker and ha-agent normalizes the status but eventually
>> it would become "false" and then return to the result above. hope you
>> guys could help me with this.
>>
>
> Hi Jaicel,
> please attach agent.log and broker.log from the host where you trying to
> run hosted-engine --vm-status. I have a feeling that you ran into a
> known problem on gluster - stalled file descriptor, in that case the
> only known solution at this time is to restart the broker & agent as you
> have already found out.
>

Adding Niels and gluster-devel to troubleshoot from Gluster NFS perspective.

Thanks,
Vijay