How ZooKeeper is highly available

references

https://blog.csdn.net/tjiyu/article/details/52643096 Daniel

https://www.cnblogs.com/felixzh/p/5869212.html 

https://blog.csdn.net/xlgen157387/article/details/53572760

 

 

 

 

drbd realizes data synchronization

references

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