August 2018
Beginner
462 pages
12h 36m
English
Content preview from Learning OpenStack Networking - Third Edition
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Executing a failover
Under normal circumstances, a node is not likely to fail, and router failover is unlikely to occur. A failure scenario can be recreated by manually rebooting the node hosting the active router or by putting its physical interfaces into a down state.
Failover actions are logged in the following location within the router namespaces:
/var/lib/neutron/ha_confs/<router_id>/neutron-keepalived-state-change.log
An example of a router going from a backup state to master state once failure is detected can be observed in the following screenshot:
In the preceding screenshot, the router on compute01 became the new master router. ...
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