1,drbd快速入门
http://www.mingxiao.info/article/?id=39#__RefHeading___Toc1114_501652171
2.Heartbeat+DRBD+MySQL高可用架构方案与实施过程细节
http://oldboy.blog.51cto.com/2561410/1240412
drbd初探及Heartbeat+DRBD+MySQL
原文：http://www.cnblogs.com/iiiiher/p/5744651.html
