How many servers do you have? How many active clients do you have? > > Respectfully, I would like to ask: please do not remove replication, please > rethink this. > > Currently, replication is my life saver. I run two postfix/dovecot combos > (on different operating systems), with dovecot synchronising via > replication. Both are behind a HAProxy running on the router (OPNsense), one > as active, one as backup. > > If one of the two fails, the other takes over, and when it comes up again > everything works fine and is up to date. I have had these kinds of system > failures (very hard to find and turned to be hardware related) and it was > the replication that made me survive the issues (even when I was far away > from my systems). Mail for my small group of users (about 8) never went > down, no mail message was ever lost, no manual interventions to sync were > ever needed. > > If I want to create the same level of availability without replication, I > need those two dovecots to use shared (NFS cluster) storage. But then, I > have another single point of failure (NFS storage) again. So, I need two > separate NFS machines that synchronise, Apart from the nightmare of making > NFS secure, it means that I need to double my hardware (from two systems to > four) to be protected against hardware failure (which is my goal). > > The replication service is the perfect small scale solution. Together with > HAProxy, it enables HA in the most simple and effective way. Going the 'NFS > cluster' route is not feasible for me, so if replication is removed and I am > forced to upgrade, I will lose HA. > > So please, take small scale users like me into account. > > Gerben Wierda (LinkedIn <https://www.linkedin.com/in/gerbenwierda>, Mastodon > <https://newsie.social/@gctwnl>) > R&A IT Strategy <https://ea.rna.nl/> (main site) > Book: Chess and the Art of Enterprise Architecture <https://ea.rna.nl/the- > book/> > Book: Mastering ArchiMate <https://ea.rna.nl/the-book-edition-iii/> > YouTube Channel <http://www.youtube.com/@GerbenWierda> > > > On 16 Jul 2023, at 18:54, Aki Tuomi via dovecot <dovecot@dovecot.org> > wrote: > > > > Hi! > > > > Yes, director and replicator are removed, and won't be available for pro > users either. > > > > For NFS setups (or similar shared setups), we have documented a way to use > Lua to run a director-like setup, see > > > > https://doc.dovecot.org/3.0/configuration_manual/howto/director_with_lua/ > > > > Regards to replication, doveadm sync is not being removed. So you can > still run doveadm sync on your system to have a primary / backup setup. > > > > Aki > > > >> On 16/07/2023 18:34 EEST William Edwards via dovecot > <dovecot@dovecot.org> wrote: > >> > >> > >> Top posting because nothing specific to reply to, sorry. Not exactly > sure, but there’s another thread about the removal of Director in favour of > Dovecot Pro on 3.x. Perhaps this change is related. > >> > >> William Edwards > >> > >>> Op 16 jul. 2023 om 16:33 heeft Daniele <da...@kernel-panic.it> het > volgende geschreven: > >>> > >>> Hello, > >>> > >>> Just like Vladimir, I'm a bit concerned about this change, and I'd > really appreciate if someone could let us know if the replication feature > (that works so well!) will be replaced or removed; and, in case of removal, > what would be recommended replacement? > >>> Thanks in advance and best regards, > >>> Daniele > >>> > >>>> On 09-Jul-23 9:36 PM, Vladimir Mishonov via dovecot wrote: > >>>> Hello everyone. > >>>> > >>>> Just saw this commit in the official Github repo: > >>>> > >>>> > https://github.com/dovecot/core/commit/4c04e4c30fd4817a8b0e11d04d9681173f696 > f41#diff-5f643d8b0d1eea65d0f3c749d14d42b25a9d60f0f149bface862f5ff348412c8 > >>>> > >>>> Looking at the commit details, it appears that it completely removes > the replication feature. I'm a bit perplexed by this change and am not sure > what might be the justification for it. Personally, I find replication to be > very useful, as it allows me to maintain a synchronized mirror of all of my > mailboxes on my home server, for use as backup in case the primary server > goes down for some reason. > >>>> > >>>> Perhaps there's some sort of replacement being planned for this > feature? Or maybe the relevant code is simply going to be refactored to a > plugin or external program, and there's nothing to worry about at all? > >>>> > >>>> In any case, I'd greatly appreciate if one of the developers could > comment on this change. > >>>> > >>> > >>> _______________________________________________ > >>> dovecot mailing list -- dovecot@dovecot.org > >>> To unsubscribe send an email to dovecot-le...@dovecot.org > >>> > >> > >> _______________________________________________ > >> dovecot mailing list -- dovecot@dovecot.org > >> To unsubscribe send an email to dovecot-le...@dovecot.org > > _______________________________________________ > > dovecot mailing list -- dovecot@dovecot.org > > To unsubscribe send an email to dovecot-le...@dovecot.org
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