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On Tue, Sep 17, 2013 at 11:27:53AM -0300, Listas de Correo wrote:
Today it's so easy to set up two virtual machines with your favourite OS and work through the replication chapter in the admin guide. [1]http://www.openldap.org/doc/admin24/replication.html You mentioned Debian. I'd recommend not to use the Debian packages and compile OpenLDAP 2.4.36+ yourself instead. Ciao, Michael.Well, that does not look so easy to me (that's why I'm asking for help :) ), specially considering that I already have a working LDAP working with several hundreds users relying on them to do their work, so it's not possible to me to start from scratch, I have to use what I already have (and not break anything in the process).
For the reason above, I can't compile OpenLDAP myself (I have to use what is already there).
Yes and no, you can dump your directory from the old version and load it into the new version (slapcat/slapadd). I've found this a straightforward process.
If I wanted to upgrade a production system, I might:
-install a new multimaster setup with consumer replicas -stop writing data to the current production masters -(reading is fine) -dump the current production databases to ldifs -load the databases into one of the new multimasters -(or all of the new servers if you have a lot of data) -wait for replication to sync up your new servers -swap the load balancer from using the old server pool for ldap to using the new server pool -(or change ip addresses on the servers if you're not using a load balancer) -enable data writes to the new masters
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