While possible it probably overkill. A simple failover proxy is enough unless he requires a active-active setup.
On 11.04.19 11:54, Aki Tuomi via dovecot wrote: > > On 11.4.2019 11.44, luckydog xf via dovecot wrote: >> Hi, list, >> >> I'm going to deploy postfix + dovecot + CephFS( as Mail Storage). >> Basically I want to use two servers for them, which is kind of HA. >> >> My idea is that using keepalived or Pacemaker to host a VIP, which >> could fail over the other server once one is down. And I'll use >> Haproxy or Nginx to schedule connections to one of those server based >> on source IP( Session stickiness), I'll use VIP as DNS record.etc, is >> my plan doable? >> >> I know MX could be server ones with different priority. But I think >> it brings along shortage that DNS couldn't know Email server is up or >> down, it just returns results to MUA, right? >> >> Thanks for any suggestions and ideas. >> >> - > > You could use dovecot configured as director in the front, it would > assign users to backends and maintain that to avoid accessing same users > on two backends. > > Aki >
