Re: OpenLDAP 2.4 replication to a write-only LDAP server

[Gavin Henry <ghenry@suretecsystems.com>]

Brouwer, Onno - Acision wrote:
> Hi List,
>  
> I am trying to set up replication from an OpenLDAP 2.4 master to a 
> write-only LDAP slave. This slave is not really an LDAP slave, but has 
> an LDAP interface to have changes replicated to it. In earlier OpenLDAP 
> releases I could use slurpd for this, but since this has been deprecated 
> I am trying to get it working using syncrepl. Based on what I found in 
> the online manual I am trying to achieve this with an additional 
> OpenLDAP 2.4 proxy which replicates changes it learns from the master 
> through syncrepl to the slave through the LDAP backend. Is there some 
> way I can get this to work? If the slave is a real LDAP server, then the 
> proxy works, but it stores the contextCSN on the slave, and not on the 
> proxy. If I have some form of storing this contextCSN elsewhere then I 
> might try to start the proxy (in case it dies) with this contextCSN 
> value specified on the command line. Also, when I try to ban searches on 
> the slave (since it is a write-only slave), the proxy thinks none of the 
> master entries exist on the slave and then happily tries to add them to 
> the slave, resulting in duplicate errors.
>  
> Any help would be greatly appreciated!

Did you see 
http://www.openldap.org/doc/admin24/replication.html#Push%20Based

This info will be updated online soon, but the cvs version is.

It can also be achieved without a seperate proxy.

Thanks.

--
Kind Regards,

Gavin Henry.

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