Migration issue

[Kishore Potnuru]

Adding the dovecot.conf configuration from old and new servers:

=========================================
My old server dovecot.conf (production1):
=========================================

disable_plaintext_auth = no

listen = *
log_path = /var/log/dovecot.log
mail_location = maildir:/z1dev/mail/virtual/%d/%n/Maildir/
passdb {
        args = /etc/dovecot/passwd
        driver = passwd-file
        master = yes
        pass = yes
        }
pop3_uidl_format = %g
protocols = pop3 imap
ssl = yes
ssl_cert = </etc/pki/dovecot/certs/dovecot.pem
ssl_key = </etc/pki/dovecot/private/dovecot.pem

userdb {
        args = uid=vmail gid=vmail home=/z1dev/mail/virtual/%d/%n
        driver = static
        }
mail_debug = no
verbose_ssl = no

=========================================
My New server dovecot.conf(production2):
=========================================

disable_plaintext_auth = no

listen = *
log_path = /var/log/dovecot.log

mail_location = maildir:/z1devenv/mail/virtual/%d/%n/Maildir/

passdb {
        args = /etc/dovecot/passwd
        driver = passwd-file
        }

pop3_uidl_format = %g
protocols = pop3 imap

ssl = yes
ssl_cert = </etc/pki/dovecot/certs/dovecot.pem
ssl_key = </etc/pki/dovecot/private/dovecot.pem

userdb {
        args = uid=vmail gid=vmail home=/z1devenv/mail/virtual/%d/%n
        driver = static
        }

mail_debug = yes
verbose_ssl = no


# Enable the replication plugin globally
mail_plugins = $mail_plugins notify replication

service replicator {
  process_min_avail = 1
}

dsync_remote_cmd = ssh -l%{login} %{host} doveadm dsync-server -u%u
plugin {
  mail_replica = remote:vmail at production3.baplc.com
}

service aggregator {
  fifo_listener replication-notify-fifo {
    user = vmail
  }
  unix_listener replication-notify {
    user = vmail
  }
}

service replicator {
  unix_listener replicator-doveadm {
    mode = 0600
    user = vmail
  }
}

replication_max_conns = 10

imapc_host = production1.baplc.com
imapc_password = vmail
imapc_master_user = vmail
imapc_user = %u

===================================

On Tue, Jul 28, 2020 at 8:44 PM Antonio Leding <tech at leding.net> wrote:

> Not sure if this is the issue but the error says no password database is
> cfg’d…is that truly the case?
>
> Maybe post a redacted config for the community to review…
>
>
>
> On Jul 28, 2020, at 7:20 AM, Kishore Potnuru <kishore.reachme at gmail.com>
> wrote:
>
> Hi Aki & Dovecot team,
>
> Just continuing with the previous discussion "Migration from one server
> to 2 new servers".
>
> Hi,
>
> I have tried the same way as per your suggestion. But it's throwing an
> error.
>
> -------------
> [root at production2 log]# doveadm backup -a All -R -u kishore at test.ba.com
>  imapc:
> dsync(kishore at test.ba.com): Info: imapc(production1.baplc.com:143):
> Connected to xxx.xxx.xxx.xxx:143 (local yyy.yyy.yyy.yyy:45992)
> dsync(kishore at test.ba.com): Warning: imapc(production1.baplc.com:143):
> connect(xxx.xxx.xxx.xxx, 143) timed out after 30 seconds - reconnecting
> (delay 0 ms)
> dsync(kishore at test.ba.com): Info: imapc(production1.baplc.com:143):
> Connected to xxx.xxx.xxx.xxx:143 (local yyy.yyy.yyy.yyy:46014)
> dsync(kishore at test.ba.com): Error: imapc(production1.baplc.com:143):
> connect(xxx.xxx.xxx.xxx, 143) timed out after 30 seconds - disconnecting
> dsync(kishore at test.ba.com): Error: User initialization failed: imapc:
> Login to production1.baplc.com failed: Disconnected from server
> [root at production2 log]#
> --------------
>
> I looked into the production1 (old server) logs. I see the below error.
>
> ===============
> Jul 28 11:14:23 auth: Fatal: Master passdb can't have pass=yes if there
> are no passdbs
> Jul 28 11:14:23 master: Error: service(auth): command startup failed,
> throttling
> ===============
>
> after the above error, I have commented "pass=yes" in production1 (old
> server) server, then I see the below error.
>
> ================
> Jul 28 11:17:10 auth: Fatal: No passdbs specified in configuration file.
> PLAIN mechanism needs one
> Jul 28 11:17:10 master: Error: service(auth): command startup failed,
> throttling
> ===============
>
> Please suggest me on fixing the issue.
>
>
>
>
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