https://www.jianshu.com/p/460b4dafd630
https://www.cnblogs.com/garfieldcgf/p/12145504.html
https://blog.csdn.net/yumin841931783/article/details/81095625
https://www.colabug.com/2018/0404/2619037/
centos7.6上安装ceph
原文：https://www.cnblogs.com/wukc/p/13501150.html
