> On 18 Nov 2016, at 12:12, Oved Ourfali <[email protected]> wrote: > > I don't think it is related to version X or Y. It is a race, so might be > related to other factors. >
likely because json-rpc is initialized after xml-rpc….or indeed whatever else;-) either way it needs to be solved. Either by improving the systemd service file or mom retry (btw you likely still want to have a retry in mom once it starts responding due to delayed vdsm async recovery taking potentially minutes) > > On Nov 18, 2016 12:59 PM, "Martin Sivak" <[email protected] > <mailto:[email protected]>> wrote: > > Are we / can we use systemd socket activation there? > > That actually requires systemd specific code iirc (to take over the > standing by socket). I am actually wondering why the xml-rpc in 4.0.4 > was fine and json-rpc in 4.0.6 is too slow. > > Martin > > On Fri, Nov 18, 2016 at 11:53 AM, Anton Marchukov <[email protected] > <mailto:[email protected]>> wrote: > > Hello All. > > > > Are we / can we use systemd socket activation there? > > > > Anton. > > > > On Fri, Nov 18, 2016 at 11:21 AM, Martin Sivak <[email protected] > > <mailto:[email protected]>> 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 <[email protected] > >> <mailto:[email protected]>> > >> wrote: > >> > Seems like a race regardless of the protocol. > >> > Should you add a retry? > >> > > >> > > >> > On Nov 18, 2016 11:52 AM, "Martin Sivak" <[email protected] > >> > <mailto:[email protected]>> 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 <[email protected] > >> >> <mailto:[email protected]>> > >> >> wrote: > >> >> > On Fri, Nov 18, 2016 at 10:45 AM, Martin Sivak <[email protected] > >> >> > <mailto:[email protected]>> > >> >> > 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/[email protected]/thread/MZ7UJUWO5KFRDJJDNXX7VIYU5PWSXF62/ > >> >> >> > >> >> >> <https://lists.fedoraproject.org/archives/list/[email protected]/thread/MZ7UJUWO5KFRDJJDNXX7VIYU5PWSXF62/> > >> >> >> http://lists.ovirt.org/pipermail/devel/2016-November/014101.html > >> >> >> <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 > >> >> >> <https://bugzilla.redhat.com/show_bug.cgi?id=1393012> > >> >> >> > >> >> >> Martin > >> >> >> > >> >> >> On Thu, Nov 17, 2016 at 7:42 PM, Yaniv Kaul <[email protected] > >> >> >> <mailto:[email protected]>> > >> >> >> 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 > >> >> >>> [email protected] <mailto:[email protected]> > >> >> >>> http://lists.ovirt.org/mailman/listinfo/devel > >> >> >>> <http://lists.ovirt.org/mailman/listinfo/devel> > >> >> >> _______________________________________________ > >> >> >> Devel mailing list > >> >> >> [email protected] <mailto:[email protected]> > >> >> >> http://lists.ovirt.org/mailman/listinfo/devel > >> >> >> <http://lists.ovirt.org/mailman/listinfo/devel> > >> >> _______________________________________________ > >> >> Devel mailing list > >> >> [email protected] <mailto:[email protected]> > >> >> http://lists.ovirt.org/mailman/listinfo/devel > >> >> <http://lists.ovirt.org/mailman/listinfo/devel> > >> >> > >> >> > >> > > >> _______________________________________________ > >> Devel mailing list > >> [email protected] <mailto:[email protected]> > >> http://lists.ovirt.org/mailman/listinfo/devel > >> <http://lists.ovirt.org/mailman/listinfo/devel> > > > > > > > > > > -- > > Anton Marchukov > > Senior Software Engineer - RHEV CI - Red Hat > > > _______________________________________________ > Devel mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/devel
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