[rdo-list] Overcloud pacemaker services restart behavior causes downtime

[Pedro Sousa]

Hi,

I use mitaka from centos sig repos:

Centos 7.2
centos-release-openstack-mitaka-1-3.el7.noarch
pacemaker-cli-1.1.13-10.el7_2.2.x86_64
pacemaker-1.1.13-10.el7_2.2.x86_64
pacemaker-remote-1.1.13-10.el7_2.2.x86_64
pacemaker-cluster-libs-1.1.13-10.el7_2.2.x86_64
pacemaker-libs-1.1.13-10.el7_2.2.x86_64
corosynclib-2.3.4-7.el7_2.3.x86_64
corosync-2.3.4-7.el7_2.3.x86_64
resource-agents-3.9.5-54.el7_2.10.x86_64

Let me know if you need more info.

Thanks



On Thu, Aug 4, 2016 at 11:21 AM, Raoul Scarazzini <rasca at redhat.com> wrote:

> Hi,
> can you please give us more information about the environment you are
> using? Release, package versions and so on.
>
> --
> Raoul Scarazzini
> rasca at redhat.com
>
> On 04/08/2016 11:34, Pedro Sousa wrote:
> > Hi all,
> >
> > I have an overcloud with 3 controller nodes, everything is working fine,
> > the problem is when I reboot one of the controllers. When the node comes
> > online, all the services (nova-api, neutron-server) on the other nodes
> > are also restarted, causing a couple of minutes of downtime until
> > everything is recovered.
> >
> > In the example below I restarted controller2 and I see these messages on
> > controller0. My question is if this is the expected behavior, because in
> > my opinion it shouldn't happen.
> >
> > *Authorization Failed: Service Unavailable (HTTP 503)*
> > *== Glance images ==*
> > *Service Unavailable (HTTP 503)*
> > *== Nova managed services ==*
> > *No handlers could be found for logger
> "keystoneauth.identity.generic.base"*
> > *ERROR (ServiceUnavailable): Service Unavailable (HTTP 503)*
> > *== Nova networks ==*
> > *No handlers could be found for logger
> "keystoneauth.identity.generic.base"*
> > *ERROR (ServiceUnavailable): Service Unavailable (HTTP 503)*
> > *== Nova instance flavors ==*
> > *No handlers could be found for logger
> "keystoneauth.identity.generic.base"*
> > *ERROR (ServiceUnavailable): Service Unavailable (HTTP 503)*
> > *== Nova instances ==*
> > *No handlers could be found for logger
> "keystoneauth.identity.generic.base"*
> > *ERROR (ServiceUnavailable): Service Unavailable (HTTP 503)*
> > *[root at overcloud-controller-0 ~]# openstack-status *
> > *Broadcast message from
> > systemd-journald at overcloud-controller-0.localdomain (Thu 2016-08-04
> > 09:22:31 UTC):*
> > *
> > *
> > *haproxy[2816]: proxy neutron has no server available!*
> >
> > Thanks,
> > Pedro Sousa
> >
> >
> >
> >
> > _______________________________________________
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> >
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> >
>
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