DRBD安装配置思路参考

DRBD下载：
http://hkg.mirror.rackspace.com/elrepo/archive/elrepo/el7/x86_64/RPMS/

DRBD（数据镜像）+hearbeat（自动切换）:
https://www.cnblogs.com/losbyday/p/5819696.html

39.Heartbeat+DRBD+mysql+Amoeba集群项目实施
https://www.bilibili.com/video/BV1Yo4y1f7Aw/?spm_id_from=333.337.search-card.all.click&vd_source=dd6950497354e98977c20f4655d9e048

heartbeat+drbd实现磁盘共享自动挂载切换
https://blog.csdn.net/sinat_37757403/article/details/78054067

linux下DRBD安装、配置
https://lanjingling.github.io/2015/10/14/linux-drbd/