Re: Multi-master doesn't replicate deletes under certain circumstances.

[Quanah Gibson-Mount <quanah@zimbra.com>]

--On Wednesday, December 03, 2008 9:25 AM +1930 Jose Ildefonso Camargo 
Tolosa <ildefonso.camargo@gmail.com> wrote:

> Hi!
>
> I just configured multi-master replication (with N=3) for testing
> purposes, and I just found an annoying problem, under these
> conditions:
>
> 1. Configure a N number of "masters", and have them replicate happily
> (this is important).
> 2. Stop slapd service on all of the servers.
> 3. Start slapd service on any number of servers < N (ie, leave at
> least one stopped).
> 4. Delete any entry (yes, it only fails with deletes, you can combine
> changes: modify, add, and delete, and only deletes will fail to
> replicate).
> 5. Stop slapd service on *all of the servers again* (this is the most
> important part).
> 6. Star slapd service on all the servers.
>
> You will see that, on the servers that you left down on step 3, the
> deleted entries are still present.
>
> If you leave at least one server up, it replicates just fine, the
> problem is when you stop all of the masters.
>
> More info:
>
> OpenLDAP version: 2.4.13
> OS: Debian GNU/Linux Etch
> Overlays: smbk5pwd (only samba enabled), syncprov (off course).
>
> Any ideas? If you need more info, just ask.

I suggest you file an ITS.

--

Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
--------------------
Zimbra ::  the leader in open source messaging and collaboration