This tutorial will demonstrate how you can use Corosync and Pacemaker with a Floating IP to create a high availability (HA) server infrastructure on DigitalOcean. Corosync is an open source program that provides cluster membership and messaging capabi

מקור: How To Create a High Availability Setup with Corosync, Pacemaker, and Floating IPs on Ubuntu 14.04 | DigitalOcean