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RE: status of multi-master replication?
- To: "Elliot Metsger" <emetsger@jhu.edu>
- Subject: RE: status of multi-master replication?
- From: "Nir Soffer" <nirs@exanet.com>
- Date: Wed, 19 Jun 2002 09:54:48 +0200
- Cc: <openldap-software@OpenLDAP.org>
- Content-class: urn:content-classes:message
- Thread-index: AcIXEZjxp+cQemrqSfi5r1UpQCVzZgAVNLpA
- Thread-topic: status of multi-master replication?
> Nir,
>
> > You can try using a mechanism like heartbeat, using the multimaster
> > capabality, coupled with a heartbeat mechanism and IP takeover will
> > work, solve the conflict resolution, and rid you of the pain of
> > attempting to promote the slave to the master (and the
> ensuing 'what
> > hasn't been replicated to me' debate).
>
> The problem with that implementation is that a slave slapd
> cannot accept
> writes, and must be promoted to a master slapd in some fashion
> (manually? programatically?). One way to implement this
> (perhaps) would
That's why I said that you can use the multimaster in capability in
conjunction with a heartbeat mechanism. This has the added value that
when the failed node resumes service, you can use it's replication log
to restore your lost data (Even automatically).
I think :)
Regards,
Nir.