thank you all for the clarification. 

2013/12/17 Christian Kratzer <ck-lists@cksoft.de>

On Tue, 17 Dec 2013, Howard Chu wrote:

One of the changes that has been waiting in the wings for a long time is to move syncrepl config out of the olcDatabase entry and into its own olcOverlay entry. At that point a lot of config needs will make a lot more sense, and there'll be no need for gyrations of shared/merged config.

that would be most welcome together with a feature to allow specific configurations for
spefific servers so that we could maintain a single cluster wide cn=config tree.

Would be nice for 2.5 ;)

So, for now I will maintain two copies of cn=config, but if this feature would be included sometime and I could get rid of one that would definitely be awesome. 

Best wishes,