Re: OpenLDAP replication

["Justin Lintz" <jlintz@gmail.com>]

Gavin,

Thanks for your help.  That appears to be working.  In a failure
situation where rid=1 goes down, and writes began occuring to rid=2,
when I bring back up the server which was set to rid=1, what is the
proper way to get them back in sync?  Would it be just to change the
rids and reload openldap?

- Justin Lintz



On Mon, Dec 15, 2008 at 2:57 PM, Gavin Henry <ghenry@openldap.org> wrote:
>
> ----- "Justin Lintz" <jlintz@gmail.com> wrote:
>
>> Quanah,
>>
>> Looking at
>> http://www.openldap.org/doc/admin24/replication.html#N-Way%20Multi-Master
>> it appears the example is with using cn=config to store the
>> configuration.  Is there an example somewhere with just using
>> slapd.conf?
>
> I'm in the process of re-writing the replication section, but the following:
>
> olcOverlay: syncprov
>
>     dn: olcDatabase={0}config,cn=config
>     changetype: modify
>     add: olcSyncRepl
>     olcSyncRepl: rid=001 provider=$URI1 binddn="cn=config" bindmethod=simple
>       credentials=secret searchbase="cn=config" type=refreshAndPersist
>       retry="5 5 300 5" timeout=1
>     olcSyncRepl: rid=002 provider=$URI2 binddn="cn=config" bindmethod=simple
>       credentials=secret searchbase="cn=config" type=refreshAndPersist
>       retry="5 5 300 5" timeout=1
>     olcSyncRepl: rid=003 provider=$URI3 binddn="cn=config" bindmethod=simple
>       credentials=secret searchbase="cn=config" type=refreshAndPersist
>       retry="5 5 300 5" timeout=1
>     -
>     add: olcMirrorMode
>     olcMirrorMode: TRUE
>
>
> would just go under a database section like other syncrepl statements and look something like:
>
> overlay syncprov
>
> syncrepl rid=001
>         provider=$URI1
>         binddn="cn=config"
>         bindmethod=simple
>         credentials=secret
>         searchbase="cn=config"
>         type=refreshAndPersist
>         retry="5 5 300 5"
>         timeout=1
>
> syncrepl rid=002
>         provider=$URI1
>         binddn="cn=config"
>         bindmethod=simple
>         credentials=secret
>         searchbase="cn=config"
>         type=refreshAndPersist
>         retry="5 5 300 5"
>         timeout=1
>
> syncrepl rid=003
>         provider=$URI1
>         binddn="cn=config"
>         bindmethod=simple
>         credentials=secret
>         searchbase="cn=config"
>         type=refreshAndPersist
>         retry="5 5 300 5"
>         timeout=1
>
> mirrormode on
>
> Remember the above is replicating cn=config though.
>
> Check back in the new year.
>
>
> --
> Kind Regards,
>
> Gavin Henry.
> OpenLDAP Engineering Team.
>
> E ghenry@OpenLDAP.org
>
> Community developed LDAP software.
>
> http://www.openldap.org/project/
>