参考文献
https://blog.csdn.net/tjiyu/article/details/52643096 大牛
https://www.cnblogs.com/felixzh/p/5869212.html
https://blog.csdn.net/xlgen157387/article/details/53572760
drbd实现数据同步
参考文献
https://blog.csdn.net/greensurfer/article/details/7606951
https://blog.csdn.net/cheng564943797/article/details/54378407
http://blog.chinaunix.net/uid-26719405-id-4711740.html
http://blog.51cto.com/johnsz/896371
https://blog.csdn.net/tjiyu/article/details/52723125
http://www.xuchanggang.cn/archives/894.html