Netexpertise

You have an Exchange server (or cluster) that communicates to the outside world through a mail relay (also called smarthost in Microsoft terminology), usually in a DMZ. You’d now like to give some high availability to this infrastructure, that could ideally cover a disaster recovery plan. This can be achieved doubling servers on a second […]

Tags: Exchange, high availability, Mail, Microsoft

Important note: Heartbeat is now obsolete and has moved to a new stack available on Clusterlabs. For simple high availability project using a virtual IP, try out keepalived that does monitoring and failover with just a simple configuration file. Since version 2, Heartbeat is able to manage more than 2 nodes, and doesn’t need “mon” […]

Tags: cluster, high availability, linux