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 kish...@test.org.com remote:vm...@production2.test.org.com usage: doveadm [-Dv] [-f <formatter>] <command> [<args>] altmove [-u <user>|-A] [-S <socket_path>] <search query> auth [-a <auth socket path>] [-x <auth info>] <user> [<password>] config [doveconf parameters] director add|flush|map|remove|status dump [-t <type>] <path> expunge [-u <user>|-A] [-S <socket_path>] <search query> fetch [-u <user>|-A] [-S <socket_path>] <fields> <search query> force-resync [-u <user>|-A] [-S <socket_path>] <mailbox> help <cmd> import [-u <user>|-A] [-S <socket_path>] <source mail location> <dest parent mailbox> <search query> kick [-a <anvil socket path>] [-f] <user mask>[|]<ip/bits> log find|reopen|test mailbox create|delete|list|mutf7|rename|status|subscribe|unsubscribe penalty [-a <anvil socket path>] [<ip/bits>] purge [-u <user>|-A] [-S <socket_path>] pw [-l] [-p plaintext] [-r rounds] [-s scheme] [-u user] [-V] reload search [-u <user>|-A] [-S <socket_path>] <search query> sis deduplicate|find stop user [-a <userdb socket path>] [-x <auth info>] <user mask> [...] who [-a <anvil socket path>] [-1] [<user mask>] [<ip/bits>] On Mon, Jul 27, 2020 at 2:22 PM Admin dishaw.org <ad...@dishaw.org> wrote: > > > > On Jul 27, 2020, at 4:59 AM, Kishore Potnuru <kishore.reac...@gmail.com> > 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. > > >