Looks like I'm having a conversation with myself! lol
To avoid the timeouts, I removed the "replication_sync_timeout" setting.
It did work and also I don't get the "out of memory errors". I guess
they were related.
I also figured the "permission denied" errors: there was a typo in one
of the "mode" in my config file.
So to recap, here are the issues I couldn't fix:
- replication_sync_timeout generates a lot of time out error resulting
in out of memory errors.
- users outside the valid uid range [first_valid_uid;last_valid_uid]
won't be synced but will still generate a lot of errors
The wiki page is of poor quality... it would need to be rewritten. I'm
willing to do it if someone can tell me how to go about doing that. I'n
not expecting any reply though...
Cheers,
Jean-Luc
On 2016-08-31 21:01, Jean-Luc Wasmer wrote:
I was able to workaround the “Error: sync:
/var/run/dovecot/auth-userdb: Configured passdbs don’t support
credentials lookups (to see if user is proxied, because doveadm_port
is set)” problem:
=> I simply disabled “doveadm_port” and added the port number at the
end of the remote URL in “mail_replica”
Replication seems to work although I have regular errors (idk if they
are related to each other or not).
I’ve attached excerpts from the log files but here are the different
errors:
- out of memory errors:
Aug 31 21:37:10 serverA dovecot: replicator: Panic: data stack: Out of
memory when allocating 268435496 bytes
- timeout errors:
Aug 31 21:36:41 serverA dovecot: dsync-server(user1): Warning:
replication(user1): Sync failure: Timeout in 2 secs
Aug 31 21:37:09 serverA dovecot: dsync-local(user1): Error: Couldn't
lock /home/user1/.dovecot-sync.lock: Timed out after 30 seconds
Aug 31 21:38:34 serverA dovecot: imap(user2): Warning:
replication(user2): Sync failure: Timeout in 2 secs
- permission denied errors:
Aug 31 21:37:14 serverA dovecot: dsync-server(user2): Error:
net_connect_unix(/var/run/dovecot/replicator-doveadm) failed:
Permission denied
I also get errors for user “nobody” with uid 65534. To avoid them I
added
10-mail.conf:first_valid_uid = 2000
10-mail.conf:last_valid_uid = 3000
but I still get some errors, different ones now:
Sep 1 00:13:42 shaun dovecot: doveadm(a.b.c.d,nobody): Error: Mail
access for users with UID 65534 not permitted (see first_valid_uid in
config file, uid from userdb lookup).
Sep 1 00:13:42 shaun dovecot: doveadm(a.b.c.d,nobody): Error:
dsync-server: User init failed
Sep 1 00:14:00 shaun dovecot: doveadm(nobody): Error: sync: Failed to
start remote dsync-server command: Remote exit_code=75
Jean-Luc
On Aug 31, 2016, at 12:02 AM, Jean-Luc Wasmer <dove...@jl.wasmer.ca>
wrote:
Hi,
I'm trying to sync emails between server A and B.
A has replicator, aggregator and doveadm.
B only has doveadm for now.
I'm getting the following error:
Error: sync: /var/run/dovecot/auth-userdb: Configured passdbs don't
support credentials lookups (to see if user is proxied, because
doveadm_port is set)
I'm not sure why I'm getting this error because I authenticate using
PAM
and when I run
I do have a "service auth" enabled though... it's used for Postfix
SASL
to authenticate SMTP.
I'm running
# dovecot --version
2.2.24 (a82c823)
Cheers,
Jean-Luc
PS: "replication_sync_timeout = 2s" doesn't work, I had to drop the
's'
On 2016-08-28 17:43, Jean-Luc Wasmer wrote:
Hi,
I’m having a hard time with the http://wiki2.dovecot.org/Replication
page.
- for a master-master setup, does the configuration need to be
mirrored on both masters?
- after aggregating unrelated sections of the wiki page, there seems
to be 3 different values for “mail_replica":
- "remote”: for SSH
- “remoteprefix": for SSH wrapper
- “tcp”: for TCP connection using the Doveadm protocol
Is this correct?
- what’s the purpose of the replicator VS aggregator VS doveadm
services?
Who talks to who? Where can I find documentation about their
configuration (i.e. not examples)
- most examples are for a single vmail user setup… what should be
done
when using system accounts?
Thanks,
Jean-Luc
