Re: MirrorMode behind fail over loadbalancer

[Howard Chu <hyc@symas.com>]

Gavin Henry wrote:
> <quote who="Chris G. Sellers">
> > I think too, the idea is you treat the second master server as a slave
> > in practice, meaning you never do updates to it unless the primary
> > master is down.
> >
> > Effectively, the difference from a Master/Slave setup is that you will
> > not have to promote the Slave to a Master and adjust any replication
> > agreement settings in the event of a failed server.
> >
> > Is that a fair analysis ?
>
> Pretty much and also that the configurations are exactly the same, bar
> where the Syncrepl points to and ServerID

In fact, using the ServerID the configurations can be exactly the same, 
period. (Use both syncrepl configurations on both servers. The ServerID will 
be used to prevent a server from redundantly connecting to itself.) So you 
don't have to adjust any settings at all for automatic failover and recovery.
--
  -- Howard Chu
  Chief Architect, Symas Corp.  http://www.symas.com
  Director, Highland Sun        http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP     http://www.openldap.org/project/