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Re: Fault-tolerance for master OpenLDAP server
On Thu, 2005-09-01 at 10:12 +0200, Diego de Felice wrote:
> > 1) After a failover to the secondary master, what should we do with the
> > primary? What if the primary comes back online? The simplest solution is
> > provided by that article pointed out by Gary: prevent the failed node to
> > re-acquire the virtual IP.
> I'm facing the same problem in these days. I'm using Heartbeat and
> the problem is that when the failed node comes back Heartbeat doesn't
> start it automatically as slave. I'll try to put a script that starts
> OpenLDAP automatically as slave at boot time and see what happens.
> Then the master will update automatically (thanks to slurpd) this new
> slave... at last I hope so :-)
What you could is to add a check in your slapd init script:
if the server holds the heartbeat service address starts slapd as
master, otherwise starts slapd as slave.
Samuel Tran <email@example.com>
Systems Administration - Information Technology
American Museum of Natural History