[Dovecot] replication chain

[Timo Sirainen]

On 7.8.2012, at 15.04, Костырев Александр Алексеевич wrote:

> good day!
> 
> I wonder if it is possible to make a chain of replication in dovecot 2.1.9.
> Now I'm using two way replication(I use proxy to redirect users) and it's working just fine but
> is it possible to setup replication like this:
> 
> serverA ---> serverB --> server C
> 	  <---			
> 
> I've added additional mail_replica2 on serverB
> and after restart dovecot didn't complain about errors,
> with doveconf -n I am able to see two replica's settings but
> user's mails aren't replicating to server C.
> no errors in logs.
> I want to use server C as backup server with lvm snapshots.

The automatic replication currently can replicate to only one other server. And the replication doesn't trigger again when dsync is run. You could do this if you manually run dsync e.g. in a cronjob.