Monday, July 16, 2007 MySQL 5 High Availability with DRBD 8 and Heartbeat 2 Introduction It's 2 AM Saturday and the phone rings. You thought you were going to have a long holiday weekend. You've been informed by the NOC that there's no connection to the database server, and could you come down to see what's wrong with it. Remote access won't save you, there's no response at all from the server. We