XenServer HA is a feature of citrix that provide high availability in our environment monitoring our xen servers. When we configure HA, we can specify wich virtual machines will be automatically restarted in other server if the host server where
Configuring a failover cluster with heartbeat + pacemaker
Heartbeat is a daemon that provide services of clustering, this allows the exchange of messages between the machines running Heartbeat and check the health of them. On this post I’ll show the configuration of a simple cluster with failover and sharing