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CentOS 5 OpenLDAP Causes Server to Hang

To: openldap-technical@openldap.org
Subject: CentOS 5 OpenLDAP Causes Server to Hang
From: Zachary Musselman <mussz624@robertmorris.edu>
Date: Mon, 13 Feb 2012 15:50:02 -0600

Hello,

I am running 2.6.18-274.17.1.el5 with openldap-2.3.43-12.el5_7.10. Lately I've been seeing the following errors in /var/log/messages. Once this error starts it appears to almost freeze the server. I cannot connect via ssh and restarting services take minutes to restart if not restarting at all. My only option is to reboot the server. All is fine for a few days then it happens again.

nss_ldap: could not search LDAP server - Server is unavailable

This disconnects my samba shares and does not allow users to login to Windows anymore.

Can anyone help me with this issue?

Thanks for your time.

Follow-Ups:
- Re: CentOS 5 OpenLDAP Causes Server to Hang
  - From: Dan White <dwhite@olp.net>
- Re: CentOS 5 OpenLDAP Causes Server to Hang
  - From: Buchan Milne <bgmilne@staff.telkomsa.net>

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