"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. [...]"
... passive configuration, and provide High Availability. This means I'll show you how to integrate DRBD in a simple Heartbeat V1 configuration, and as a plus, I'll show you how to use the meatware...