[ejabberd] ejabberd Cluster problems with LDAP Authentication.

Tim Stewart tstewart at ciena.com
Wed May 21 02:47:19 MSD 2008

Tim Stewart <tstewart at ciena.com> writes:

> I have several ejabberd cluster nodes distributed across several
> sites, each configured to use site-local Active Directory servers to
> handle authentication via LDAP.  This last weekend, both AD servers
> went down at one of the sites and all cluster nodes were unable to
> authenticate users.  Also, once the AD servers were brought online I
> had to restart each ejabberd instance to return things to normal.
> I've done text dumps of the database at each site, and I see the
> local AD servers configured properly for each.  Can someone think of
> a reason why one site's LDAP servers going down would affect all
> nodes?

A quick addendum: All tables are replicated between all nodes.  When I
look in the text dump for the LDAP servers, they appear inside of


Tim Stewart
Lead UNIX Systems Administrator
Ciena Corporation
Alpharetta, GA, USA
tstewart at ciena.com

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