<p dir="ltr">Seems like a race regardless of the protocol. <br>
Should you add a retry? </p>
<div class="gmail_extra"><br><div class="gmail_quote">On Nov 18, 2016 11:52 AM, "Martin Sivak" <<a href="mailto:msivak@redhat.com">msivak@redhat.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Yes, because VDSM is supposed to be up (there is systemd dependency).<br>
This always worked fine with xml-rpc.<br>
<br>
Martin<br>
<br>
On Fri, Nov 18, 2016 at 10:14 AM, Nir Soffer <<a href="mailto:nsoffer@redhat.com">nsoffer@redhat.com</a>> wrote:<br>
> On Fri, Nov 18, 2016 at 10:45 AM, Martin Sivak <<a href="mailto:msivak@redhat.com">msivak@redhat.com</a>> wrote:<br>
>> This happens because MOM can't connect to VDSM and so it quits.<br>
><br>
> So mom try once to connect and if the connection fails it quits?<br>
><br>
>> We<br>
>> discussed it on the mailinglist<br>
>><br>
>> <a href="https://lists.fedoraproject.org/archives/list/vdsm-devel@lists.fedorahosted.org/thread/MZ7UJUWO5KFRDJJDNXX7VIYU5PWSXF62/" rel="noreferrer" target="_blank">https://lists.fedoraproject.<wbr>org/archives/list/vdsm-devel@<wbr>lists.fedorahosted.org/thread/<wbr>MZ7UJUWO5KFRDJJDNXX7VIYU5PWSXF<wbr>62/</a><br>
>> <a href="http://lists.ovirt.org/pipermail/devel/2016-November/014101.html" rel="noreferrer" target="_blank">http://lists.ovirt.org/<wbr>pipermail/devel/2016-November/<wbr>014101.html</a><br>
>><br>
>> This issue never happened with XML-RPC.<br>
>><br>
>> Shira reported it as <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1393012" rel="noreferrer" target="_blank">https://bugzilla.redhat.com/<wbr>show_bug.cgi?id=1393012</a><br>
>><br>
>> Martin<br>
>><br>
>> On Thu, Nov 17, 2016 at 7:42 PM, Yaniv Kaul <<a href="mailto:ykaul@redhat.com">ykaul@redhat.com</a>> wrote:<br>
>>> I've recently seen, including now on Master, the following warnings:<br>
>>> Nov 17 13:33:25 lago-basic-suite-master-host0 systemd[1]: Started MOM<br>
>>> instance configured for VDSM purposes.<br>
>>> Nov 17 13:33:25 lago-basic-suite-master-host0 systemd[1]: Starting MOM<br>
>>> instance configured for VDSM purposes...<br>
>>> Nov 17 13:33:35 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available, Policy could not be set.<br>
>>> Nov 17 13:33:39 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available.<br>
>>> Nov 17 13:33:39 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available, KSM stats will be missing.<br>
>>> Nov 17 13:33:55 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available.<br>
>>> Nov 17 13:33:55 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available, KSM stats will be missing.<br>
>>> Nov 17 13:34:10 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available.<br>
>>> Nov 17 13:34:10 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available, KSM stats will be missing.<br>
>>> Nov 17 13:34:26 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available.<br>
>>> Nov 17 13:34:26 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available, KSM stats will be missing.<br>
>>> Nov 17 13:34:42 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available.<br>
>>> Nov 17 13:34:42 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available, KSM stats will be missing.<br>
>>> Nov 17 13:34:57 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available.<br>
>>> Nov 17 13:34:57 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available, KSM stats will be missing.<br>
>>> Nov 17 13:35:12 lago-basic-suite-master-host0 vdsm[2012]: vdsm MOM WARN MOM<br>
>>> not available.<br>
>>><br>
>>><br>
>>><br>
>>> Any ideas what this is and why?<br>
>>><br>
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</blockquote></div></div>