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Re: OpenLDAP 2.1 High Availability

To: Kukkala Prasad <kprasad@cordys.com>
Subject: Re: OpenLDAP 2.1 High Availability
From: Michael Ströder <michael@stroeder.com>
Date: Thu, 07 May 2009 13:46:58 +0200
Cc: "openldap-technical@openldap.org" <openldap-technical@openldap.org>
In-reply-to: <E9EE373D35AB4C4A99CCF042C12B6E9A0422E6F0D8@ex-ind-u1.vanenburg.com>
References: <E9EE373D35AB4C4A99CCF042C12B6E9A0422E6F0D8@ex-ind-u1.vanenburg.com>
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.21) Gecko/20090402 SeaMonkey/1.1.16

Kukkala Prasad wrote:
> We are planning to configure High Availability for OpenLDAP 2.1 on Linux
> CentOS.

2.1 is a really ancient release.

> 1.       Using Replica Service
> 
> a.       This is not enough because if master machine goes down then
> LDAP updates will not be possible.

You could set up a failover mechanism.

> 2.       Migrating to OpenLDAP2.4
> 
> a.       Master-Master solution looks promising but in our current
> project time line it is not possible to migrate.

I really wonder why you think that the migration is so much effort. Just
go for it.

Ciao, Michael.

References:
- OpenLDAP 2.1 High Availability
  - From: Kukkala Prasad <kprasad@cordys.com>

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