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Re: server redundancy setup

To: openldap-technical@openldap.org
Subject: Re: server redundancy setup
From: "Dieter Kluenter" <dieter@dkluenter.de>
Date: Mon, 01 Jun 2009 17:56:52 +0200
In-reply-to: <9F5C0E60-C27C-4CD1-888A-D585981D4E59@wccnet.edu> (Rex Roof's message of "Mon, 1 Jun 2009 11:27:18 -0400")
References: <9F5C0E60-C27C-4CD1-888A-D585981D4E59@wccnet.edu>
User-agent: Gnus/5.1008 (Gnus v5.10.8) XEmacs/21.5-b28 (linux)

Rex Roof <rex@wccnet.edu> writes:

> I'm migrating our existing openLDAP 2.3 servers into a new setup
> running openLDAP 2.4.
>
> I will eventually have 4 or 5 servers, hopefully all having the same
> synchronized data, and all accepting writes, if need be.
>
> Can anyone suggest a configuration where I have 4 servers, all keeping
> themselves in sync, and all accepting writes?
>
> Can multimaster replication work with more than two servers?  Is that
> the right solution here?

Yes, MMR can be achieved with more than 2 servers, theoretically the
number of hosts is limited by the number of available network
I/O's. Personally I am not in favour of MMR, I would prefer syncrepl
and chaining referrals, if possible.

-Dieter

-- 
Dieter Klünter | Systemberatung
http://www.dpunkt.de/buecher/2104.html
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