Hi, the idea was to run it on the new server and not on the old server. That is also why you should use -R parameter to pull the mails from remote, not push.
Sami > On 27. Jul 2020, at 17.13, Kishore Potnuru <kishore.reac...@gmail.com> 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 kish...@test.org.com > <mailto:kish...@test.org.com> remote:vm...@production2.test.org.com > <mailto:remote%3avm...@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 <http://dishaw.org/> > <ad...@dishaw.org <mailto:ad...@dishaw.org>> wrote: > > > > On Jul 27, 2020, at 4:59 AM, Kishore Potnuru <kishore.reac...@gmail.com > > <mailto: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. > >
