Re: Cyrus IMAP 2.3 EOL?

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On Wed, Nov 21, 2012, at 08:12 PM, ktm@xxxxxxxx wrote:
> On Wed, Nov 21, 2012 at 01:51:28PM -0500, Adam Tauno Williams wrote:
> > On Wed, 2012-11-21 at 18:21 +0100, Bron Gondwana wrote:
> > > On Wed, Nov 21, 2012, at 05:31 PM, Egoitz Aurrekoetxea Aurre wrote:
> > > > Good morning,
> > > > Does Cyrus IMAP 2.3.18 get still supported by Cyrus IMAP team?.
> > > Just security updates really, why?
> > 
> > Cyrus IMAP 2.4.x is much nicer all around;  if you are on 2.3.x I'd
> > recommend upgrading.  Other than some re-indexing pain, it is seemless
> > and leaves you on a considerably better product.
> > 
> Hi Adam,
> 
> I would love to be running 2.4.x. Unfortunately, because replication does
> not work from old version 2.3.x to newer 2.4.x "some re-indexing pain"
> is from everything I have read here a completely uncontrolled I/O storm
> on your disk subsystem unless you have a prolonged service outage. I
> really, really, really hope that 2.4.x will be able to replicate to
> 2.5.x. Then you can upgrade the relatively unloaded replica, fail-over
> to the new version and then upgrade the replica for a virtually
> seamless procedure. Now we are looking for idle usage periods together
> with a folder tickle script to stagger the upgrade process I/O.

Probably just stick with 2.3 then.  I'm playing (no promises yet) with a
much nicer delayed upgrading path for 2.5.  It should, in theory, be able
to handle right back to 2.2!

I've also started looking at making sync_client support 2.3 syntax in 2.5,
so you can sync over directly (and also making a 2.5 client which is able
to talk to the various 2.3 sync_server versions)

Interoperability is the buzzword :)  The hard bit is finding time to work
on everything I want to work on :(

Bron.
-- 
  Bron Gondwana
  brong@xxxxxxxxxxx

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