dovecot director and keepalived

[Paterakis E. Ioannis]

On 15/3/2021 6:09 μ.μ., Steven Varco wrote:
> Hi John
>
> Thanks for you input.
>
> So you basically state that („physically“) separating the director servers from keepalive/haproxy servers is the only option?
> I would like to avoid setting up two additional machines for that whenever possible, as any node more in the chain potentially is another point of failure… ;)

Nope, it's not the only option. You can always have all three daemons 
(keepalived/haproxy/director) on each machine. Keepalived will handle 
the floating ip job, haproxies will have no problems with the floating 
ip, the directors will always be binded to the static ips of the 
machines and have their setup in the haproxies. That's all.

But, if you plan to make a Highly available environment, u have to 
consider splitting your services to different VMs, and them to different 
hypervisors in order to be as Highly available as you can....

John