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DescriptionRaoul Scarazzini
2016-09-29 16:00:24 UTC
Description of problem:
While testing HA resource behavior inside Newton we do this operations sequence:
1 - Stop Galera;
2 - Poll every minute for the status of the other resources;
3 - Start Galera;
Problem is that Galera failed to be started again:
ip-172.18.0.11 (ocf::heartbeat:IPaddr2): Started overcloud-controller-0
ip-172.20.0.19 (ocf::heartbeat:IPaddr2): Started overcloud-controller-1
ip-172.19.0.18 (ocf::heartbeat:IPaddr2): Started overcloud-controller-2
ip-172.17.0.11 (ocf::heartbeat:IPaddr2): Started overcloud-controller-0
Clone Set: haproxy-clone [haproxy]
Started: [ overcloud-controller-0 overcloud-controller-1 overcloud-controller-2 ]
Master/Slave Set: galera-master [galera]
galera (ocf::heartbeat:galera): FAILED Master overcloud-controller-2 (unmanaged)
Slaves: [ overcloud-controller-0 overcloud-controller-1 ]
ip-172.17.0.19 (ocf::heartbeat:IPaddr2): Started overcloud-controller-1
Clone Set: rabbitmq-clone [rabbitmq]
Started: [ overcloud-controller-0 overcloud-controller-1 overcloud-controller-2 ]
Master/Slave Set: redis-master [redis]
Masters: [ overcloud-controller-1 ]
Slaves: [ overcloud-controller-0 overcloud-controller-2 ]
ip-192.0.2.15 (ocf::heartbeat:IPaddr2): Started overcloud-controller-2
openstack-cinder-volume (systemd:openstack-cinder-volume): Started overcloud-controller-0
Failed Actions:
* galera_promote_0 on overcloud-controller-2 'unknown error' (1): call=179, status=complete, exitreason='MySQL server failed to start (pid=65378) (rc=0), please check your installation',
last-rc-change='Wed Sep 28 15:20:24 2016', queued=0ms, exec=12635ms
So basically the promotion on overcloud-controller-2 failed. This can be a race condition, since it does not happen every time, but looking inside the logs could be useful to understand what happened this time.
Description of problem: While testing HA resource behavior inside Newton we do this operations sequence: 1 - Stop Galera; 2 - Poll every minute for the status of the other resources; 3 - Start Galera; Problem is that Galera failed to be started again: ip-172.18.0.11 (ocf::heartbeat:IPaddr2): Started overcloud-controller-0 ip-172.20.0.19 (ocf::heartbeat:IPaddr2): Started overcloud-controller-1 ip-172.19.0.18 (ocf::heartbeat:IPaddr2): Started overcloud-controller-2 ip-172.17.0.11 (ocf::heartbeat:IPaddr2): Started overcloud-controller-0 Clone Set: haproxy-clone [haproxy] Started: [ overcloud-controller-0 overcloud-controller-1 overcloud-controller-2 ] Master/Slave Set: galera-master [galera] galera (ocf::heartbeat:galera): FAILED Master overcloud-controller-2 (unmanaged) Slaves: [ overcloud-controller-0 overcloud-controller-1 ] ip-172.17.0.19 (ocf::heartbeat:IPaddr2): Started overcloud-controller-1 Clone Set: rabbitmq-clone [rabbitmq] Started: [ overcloud-controller-0 overcloud-controller-1 overcloud-controller-2 ] Master/Slave Set: redis-master [redis] Masters: [ overcloud-controller-1 ] Slaves: [ overcloud-controller-0 overcloud-controller-2 ] ip-192.0.2.15 (ocf::heartbeat:IPaddr2): Started overcloud-controller-2 openstack-cinder-volume (systemd:openstack-cinder-volume): Started overcloud-controller-0 Failed Actions: * galera_promote_0 on overcloud-controller-2 'unknown error' (1): call=179, status=complete, exitreason='MySQL server failed to start (pid=65378) (rc=0), please check your installation', last-rc-change='Wed Sep 28 15:20:24 2016', queued=0ms, exec=12635ms So basically the promotion on overcloud-controller-2 failed. This can be a race condition, since it does not happen every time, but looking inside the logs could be useful to understand what happened this time.