> On Jul 27, 2020, at 4:59 AM, Kishore Potnuru <[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.
