Re: Migrating to new production servers via syncrepl

["Michael StrÃder" <michael@stroeder.com>]

On Wed, 02 Oct 2013 15:02:32 +0300 "samuli.seppanen@gmail.com"
<samuli.seppanen@gmail.com> wrote

> > On Wed, 02 Oct 2013 13:25:09 +0300 "samuli.seppanen@gmail.com"
> > <samuli.seppanen@gmail.com> wrote:
> >> I'm phasing out two OpenLDAP production servers[1] in a master-master
> >> configuration. The production servers can't afford more than a few mins
> >> of downtime, so migrating using slapcat/slapadd is out of the question.
> >> So, what I'm ending up doing is migrating using syncrepl.
> > 
> > It may or may not work. Likely it depends on the OpenLDAP versions
> > involved. Thorough testing this scenario in a playground deployment is a
> > must! 
>
> Old servers are running OpenLDAP 2.4.23 (Debian 6.x). New ones use
> 2.4.28 (Ubuntu 12.04).

If high availability and reliabilty is really needed, as you claimed, then I
would not use OpenLDAP 2.4.28. I'd recommend to use self-compiled OpenLDAP
2.4.36.

Ciao, Michael.