Seems like a race regardless of the protocol.
Should you add a retry?


On Nov 18, 2016 11:52 AM, "Martin Sivak" <msivak@redhat.com> wrote:
Yes, because VDSM is supposed to be up (there is systemd dependency).
This always worked fine with xml-rpc.

Martin

On Fri, Nov 18, 2016 at 10:14 AM, Nir Soffer <nsoffer@redhat.com> wrote:
> On Fri, Nov 18, 2016 at 10:45 AM, Martin Sivak <msivak@redhat.com> wrote:
>> This happens because MOM can't connect to VDSM and so it quits.
>
> So mom try once to connect and if the connection fails it quits?
>
>> We
>> discussed it on the mailinglist
>>
>> https://lists.fedoraproject.org/archives/list/vdsm-devel@lists.fedorahosted.org/thread/MZ7UJUWO5KFRDJJDNXX7VIYU5PWSXF62/
>> http://lists.ovirt.org/pipermail/devel/2016-November/014101.html
>>
>> This issue never happened with XML-RPC.
>>
>> Shira reported it as https://bugzilla.redhat.com/show_bug.cgi?id=1393012
>>
>> Martin
>>
>> On Thu, Nov 17, 2016 at 7:42 PM, Yaniv Kaul <ykaul@redhat.com> wrote:
>>> I've recently seen, including now on Master, the following warnings:
>>> Nov 17 13:33:25 lago-basic-suite-master-host0 systemd[1]: Started MOM
>>> instance configured for VDSM purposes.
>>> Nov 17 13:33:25 lago-basic-suite-master-host0 systemd[1]: Starting MOM
>>> instance configured for VDSM purposes...
>>> Nov 17 13:33:35 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available, Policy could not be set.
>>> Nov 17 13:33:39 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available.
>>> Nov 17 13:33:39 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available, KSM stats will be missing.
>>> Nov 17 13:33:55 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available.
>>> Nov 17 13:33:55 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available, KSM stats will be missing.
>>> Nov 17 13:34:10 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available.
>>> Nov 17 13:34:10 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available, KSM stats will be missing.
>>> Nov 17 13:34:26 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available.
>>> Nov 17 13:34:26 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available, KSM stats will be missing.
>>> Nov 17 13:34:42 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available.
>>> Nov 17 13:34:42 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available, KSM stats will be missing.
>>> Nov 17 13:34:57 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available.
>>> Nov 17 13:34:57 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available, KSM stats will be missing.
>>> Nov 17 13:35:12 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM
>>> not available.
>>>
>>>
>>>
>>> Any ideas what this is and why?
>>>
>>> _______________________________________________
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>>> Devel@ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/devel
>> _______________________________________________
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