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