- There is an article that offers an overview all the way from heartbeat to pacemaker with openais or corosync in Linux Technical Review. Sorry, article is in German and a subscription is needed.
- A German book "Clusterbau" by O'Reilly describes pacemaker, openais, corosync and LVS. It tells you how to set up clusters from the basics and also includes many useful examples.
- Pacemaker was number 6 on ZDnet's list of 10 Open Source Projects Worth Checking out (Dec 2009)