> On Jul 27, 2020, at 9:20 AM, Kishore Potnuru <kishore.reac...@gmail.com> > wrote: > > Hi, > > But there is no "doveadm backup" option in dovecot 2.0.9 version. > > [root@production ~]# doveadm -backup > doveadm: invalid option -- 'b' > [root@production ~]# dovecot --version > 2.0.9
The command is "doveadm backup”. > > Copy the contents by using "scp", will that work? > I would recommend against that approach unless you know what you are doing. > Thanks, > Kishore Potnuru > > On Mon, Jul 27, 2020 at 10:00 AM Aki Tuomi <aki.tu...@open-xchange.com > <mailto:aki.tu...@open-xchange.com>> wrote: > > > On 27/07/2020 11:59 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. > > > > My Current Production Server details: > > ======================== > > Linux OS - Red Hat Enterprise Linux Server release 6.5 (Santiago) > > Dovecot version - 2.0.9 > > Postfix version - 2.6.6 > > ======================== > > > > New Servers: > > ========================== > > Linux OS - Red Hat Enterprise Linux Server release 7.7 (Maipo) > > Dovecot version - 2.2.36 (1f10bfa63) > > Postfix version - 2.10.1 > > ========================== > > > > 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. > > > > 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. > > > > 2. copy/migrate the data from old server to new servers. Please suggest > > what is the best way? > > > > 3. I see that dovecot version(2.0.9) in old production server, I do not > > know the which is the best option? see the options in the current version. > > > > ================================= > > [root@prodcution ~]# doveadm > > 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> [...] > > > > ================================= > > > > Please suggest me. > > > > Thanks, > > Kishore Potnuru > > `doveadm backup -R -u someone imapc:` comes to mind, with master > password/master user authentication. > > Aki