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



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 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 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 overcloud-controller-0 ~]# openstack-status *
> *Broadcast message from
> systemd-journald 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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