Do you have any hints how I can troubleshoot the issue and spot the
problem?
The problem is that you are using an ancient version of OpenLDAP which only
had LDBM as the backend, and it is likely corrupting itself. You should
really look at upgrading to a modern, supported release of OpenLDAP.
--Quanah
--
Quanah Gibson-Mount
Principal Software Developer
ITS/Shared Application Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html