<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Dec 28, 2015 at 4:06 PM, Yedidyah Bar David <span dir="ltr"><<a href="mailto:didi@redhat.com" target="_blank">didi@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Mon, Dec 28, 2015 at 3:48 PM, Stefano Danzi <<a href="mailto:s.danzi@hawai.it">s.danzi@hawai.it</a>> wrote:<br>
> Problem solved!!!<br>
><br>
> The file hosted-engine.conf had a wrong fqdn.<br>
> I don't think that this happened during upgrade... mybe thay my colleague<br>
> did something of wrong...<br>
<br>
</span>Thanks for the report :-)<br>
<div class="HOEnZb"><div class="h5"><br>
><br>
><br>
> Il 20/12/2015 14.52, Stefano Danzi ha scritto:<br>
><br>
> Network problems was solved after changing Bond mode (and it's strange. I<br>
> have to investigate around qemu-kvm, cento 7.2 and switch firmware ), but<br>
> broker problem still exist. If I turn on the host, ha agent start engine<br>
> vm. When engine VM is up, broker strats to send email. Now I haven't here<br>
> detailed logs.<br>
><br>
><br>
> -------- Messaggio originale --------<br>
> Da: Yedidyah Bar David <<a href="mailto:didi@redhat.com">didi@redhat.com</a>><br>
> Data: 20/12/2015 11:20 (GMT+01:00)<br>
> A: Stefano Danzi <<a href="mailto:s.danzi@hawai.it">s.danzi@hawai.it</a>>, Dan Kenigsberg <<a href="mailto:danken@redhat.com">danken@redhat.com</a>><br>
> Cc: users <<a href="mailto:users@ovirt.org">users@ovirt.org</a>><br>
> Oggetto: Re: [ovirt-users] Network instability after upgrade 3.6.0 -> 3.6.1<br>
><br>
> On Fri, Dec 18, 2015 at 5:31 PM, Stefano Danzi <<a href="mailto:s.danzi@hawai.it">s.danzi@hawai.it</a>> wrote:<br>
>> I found this in vdsm.log and I think that could be the problem:<br>
>><br>
>> Thread-3771::ERROR::2015-12-18<br>
>><br>
>> 16:18:58,597::brokerlink::279::ovirt_hosted_engine_ha.lib.brokerlink.BrokerLink::(_communicate)<br>
>> Connection closed: Connection closed<br>
>> Thread-3771::ERROR::2015-12-18 16:18:58,597::API::1847::vds::(_getHaInfo)<br>
>> failed to retrieve Hosted Engine HA info<br>
>> Traceback (most recent call last):<br>
>> File "/usr/share/vdsm/API.py", line 1827, in _getHaInfo<br>
>> stats = instance.get_all_stats()<br>
>> File<br>
>><br>
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py",<br>
>> line 103, in get_all_stats<br>
>> self._configure_broker_conn(broker)<br>
>> File<br>
>><br>
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py",<br>
>> line 180, in _configure_broker_conn<br>
>> dom_type=dom_type)<br>
>> File<br>
>><br>
>> "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py",<br>
>> line 176, in set_storage_domain<br>
>> .format(sd_type, options, e))<br>
>> RequestError: Failed to set storage domain FilesystemBackend, options<br>
>> {'dom_type': 'nfs3', 'sd_uuid': '46f55a31-f35f-465c-b3e2-df45c05e06a7'}:<br>
>> Connection closed<br>
><br>
> My guess is that this is a consequence of your networking problems.<br>
><br>
> Adding Dan.<br>
><br>
>><br>
>><br>
>> Il 17/12/2015 18.51, Stefano Danzi ha scritto:<br>
>>><br>
>>> I partially solve the problem.<br>
>>><br>
>>> My host machine has 2 network interfaces with a bond. The bond was<br>
>>> configured with mode=4 (802.3ad) and switch was configured in the same<br>
>>> way.<br>
>>> If I remove one network cable the network become stable. With both cables<br>
>>> attached the network is instable.<br>
>>><br>
>>> I removed the link aggregation configuration from switch and change the<br>
>>> bond in mode=2 (balance-xor). Now the network are stable.<br>
>>> The strange thing is that previous configuration worked fine for one<br>
>>> year... since the last upgrade.<br>
>>><br>
>>> Now ha-agent don't reboot the hosted-engine anymore, but I receive two<br>
>>> emails from brocker evere 2/5 minutes.<br>
>>> First a mail with "ovirt-hosted-engine state transition<br>
>>> StartState-ReinitializeFSM" and after "ovirt-hosted-engine state<br>
>>> transition<br>
>>> ReinitializeFSM-EngineStarting"<br>
>>><br>
>>><br>
>>> Il 17/12/2015 10.51, Stefano Danzi ha scritto:<br>
>>>><br>
>>>> Hello,<br>
>>>> I have one testing host (only one host) with self hosted engine and 2 VM<br>
>>>> (one linux and one windows).<br>
>>>><br>
>>>> After upgrade ovirt from 3.6.0 to 3.6.1 the network connection works<br>
>>>> discontinuously.<br>
>>>> Every 10 minutes HA agent restart hosted engine VM because result down.<br>
>>>> But the machine is UP,<br>
>>>> only the network stop to work for some minutes.<br>
>>>> I activate global maintenace mode to prevent engine reboot. If I ssh to<br>
>>>> the hosted engine sometimes<br>
>>>> the connection work and sometimes no. Using VNC connection to engine I<br>
>>>> see that sometime VM reach external network<br>
>>>> and sometimes no.<br>
>>>> If I do a tcpdump on phisical ethernet interface I don't see any packet<br>
>>>> when network on vm don't work.<br>
>>>><br>
>>>> Same thing happens fo others two VM.<br>
>>>><br>
>>>> Before the upgrade I never had network problems.<br>
>>>> _______________________________________________<br>
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>>>> <a href="mailto:Users@ovirt.org">Users@ovirt.org</a><br>
>>>> <a href="http://lists.ovirt.org/mailman/listinfo/users" rel="noreferrer" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a><br>
>>>><br>
>>><br>
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>>> <a href="http://lists.ovirt.org/mailman/listinfo/users" rel="noreferrer" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a><br>
>><br>
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><br>
><br>
><br>
> --<br>
> Didi<br>
><br>
><br>
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><br>
><br>
<br>
<br>
<br>
--<br>
Didi<br>
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</div></div></blockquote></div><br></div></div>