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

[Anton Marchukov]

Hello All.

Are we / can we use systemd socket activation there?

Anton.

On Fri, Nov 18, 2016 at 11:21 AM, Martin Sivak <msivak at redhat.com> wrote:

> 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?
> >> >>>
> >> >>> _______________________________________________
> >> >>> Devel mailing list
> >> >>> Devel at ovirt.org
> >> >>> http://lists.ovirt.org/mailman/listinfo/devel
> >> >> _______________________________________________
> >> >> Devel mailing list
> >> >> Devel at ovirt.org
> >> >> http://lists.ovirt.org/mailman/listinfo/devel
> >> _______________________________________________
> >> Devel mailing list
> >> Devel at ovirt.org
> >> http://lists.ovirt.org/mailman/listinfo/devel
> >>
> >>
> >
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>



-- 
Anton Marchukov
Senior Software Engineer - RHEV CI - Red Hat
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