Hey Turbo, In our production environments we use a load balancer; hardware or software (haproxy). The HA guide may be of some assistance here: http://docs.openstack.org/ha-guide > On Jul 2, 2016, at 7:07 AM, Turbo Fredriksson <turbo at bayour.com> wrote: > > I'm going to start setting up my second Control node. This is > going to be identical to the first (in every detail). > > But I started to think about two Keystone (among other) services > writing to the same database, possibly to the same tables etc. > > And that worries me.. > > > What's the theory about having multiple controllers? > -- > Build a man a fire, and he will be warm for the night. > Set a man on fire and he will be warm for the rest of his life. > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack