> On Jul 27, 2020, at 10:13 AM, Kishore Potnuru <[email protected]> > wrote: > > > I tried this command also. It didn't work. It shows syntax again. Please see > the supported commands in dovecot 2.0.9 version. This doesn't support > replication also as per syntax, if i am not wrong. Please suggest me. > > [root@production ~]# doveadm backup -u [email protected] > <mailto:[email protected]> remote:[email protected] > <mailto:remote%[email protected]>
I’ve only used the tcps destination, not the remote. I don’t have 2.0.x on any machines, so I can’t test—have you checked the man page (man doveadm-backup)? To the best of my knowledge, Dsync existed in 2.0.x. If you setup tcps, make sure you create a CA and certificates for the two servers. If you don’t want to do that and want to use tcp, either do that on a local network or tunnel the connection through SSH. > > > On Mon, Jul 27, 2020 at 2:22 PM Admin dishaw.org <http://dishaw.org/> > <[email protected] <mailto:[email protected]>> wrote: > > > > On Jul 27, 2020, at 4:59 AM, Kishore Potnuru <[email protected] > > <mailto:[email protected]>> wrote: > > > > Hi > > > > I am in the process/planning of moving from my existing dovecot imap/pop3 > > server to 2 new servers (for HA/Resilience). I will be implementing dovecot > > replication on new servers. Please find my current and new servers > > versions. > > > > I recently did a similar move > > > > > What is the best way to stop/copy/migrate the current production data to > > the new servers? I am planning the following steps. Not sure if it is > > correct or not. > > > > Step 0. > > Setup replication and have mail replicate from the old servers to the new > servers. > > > 1. Stop the Postfix services on the old server and wait for few mins. So > > that no new emails will be coming to the old servers. Existing emails will > > be delivered to the receipients. > > > > I stopped Postfix on the old servers and did not start Postfix on the new > servers. I waited until I saw that no mail was replicating from the old > Dovecot to the new servers. > > > 2. copy/migrate the data from old server to new servers. Please suggest > > what is the best way? > > Using the replication mechanism was the best method for me. > >
