> > Q3. Neutron - is it in active/standy HA? I got this understanding from > docs and want to understand why. >
l3 and dhcp agents managed by pacemaker. Pasemaker controls, that one instance of agent always started. If agent (or node at all) die -- pacemaker restarts it on another node. After this we start script, that reschedule all routers/networks from dead agent to alive. > I was told that Grizzly and Havanna support multiple l3 agents, but we > don't leverage it on some reason in Fuel. > Yes, it supports, but haven't native rescheduling mechanism. We have tasks for divide "controller" and "network router" node reles. In this taskset I plan make special rescheduling agent for support multiple l3/dhcp agents at time.
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