[Linux-cluster] LDAP as a service

Dryden, Tom Tom_Dryden at BUDCO.com
Thu Jan 24 21:57:28 UTC 2013

Good Afternoon,

There are a couple of reasons to implement LDAP on a cluster.  
1. I have a cluster with GFS partitions available.
2. Want to avoid the cost putting up 2 more machines for master  -
master LDAP operation.
3. Want to avoid the timeout the client experiences when the primary is
My thought is to have the LADP data stored on a GFS partition while the
LDAP server process and IP address are managed as a service.  In this
configuration the process can move between nodes with no impact to the


Message: 3
Date: Fri, 25 Jan 2013 00:08:49 +0530
From: Arpit Tolani <arpittolani at gmail.com>
To: linux clustering <linux-cluster at redhat.com>
Subject: Re: [Linux-cluster] LDAP as a service
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On Thu, Jan 24, 2013 at 10:46 PM, Dryden, Tom <Tom_Dryden at budco.com>
> Greeting All
> I am looking into implementing a 389 directory server in a 
> clustered/GFS environment.
> Can anyone out there provide a pointer to information on implementing 
> 389-directory server as a clustered service that can be relocated?

Why do you want to configure LDAP server on cluster ? Most of the ldap
clients (nss_ldap, SSSD) can talk to multiple LDAP server & can failover
when primary is down.

> Thanks in advance
> Tom
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Arpit Tolani

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