I've got OpenLDAP-2.1.22 running on six machines, one is the master which replicates to the other five. They're all on sparc/Solaris. (The five machines query their own read-only replicas for mail delivery, freeing the master to take updates)
Chris,
--Quanah
-- Quanah Gibson-Mount Principal Software Developer ITSS/Shared Services Stanford University GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html