[ovirt-devel] Where's MOM (on latest master)

[Martin Sivak]

What about making vdsm ready to answer connections when it returns to
systemd instead? I hate workarounds and this always worked fine.

Martin

On Fri, Nov 18, 2016 at 11:13 AM, Oved Ourfali <oourfali at redhat.com> wrote:
> Seems like a race regardless of the protocol.
> Should you add a retry?
>
>
> On Nov 18, 2016 11:52 AM, "Martin Sivak" <msivak at 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 at redhat.com> wrote:
>> > On Fri, Nov 18, 2016 at 10:45 AM, Martin Sivak <msivak at 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 at 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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>