Replicated Failover Domain Controller and file server using LDAP
From SambaWiki
SAMBA 3 EXTENSIONS
TECHNICAL CONFIGURATION
please see http://www.tinistuffhosting.com/~asender/sambaHA-howto.html
Author: Adrian Sender <asender@samba.org>
Supervisor: Simo Sorce <idra@samba.org>
Objectives
Failover Domain Controller
High Availability Cluster
Directory Based
Small Business HA Solution