转载地址:https://www.cnblogs.com/cnxy168/p/11654923.html
https://www.cnblogs.com/bianxj/articles/9365139.html
双主,多从解决方案 https://blog.csdn.net/bwh0520/article/details/82528424
mysql 主从复制数据不丢失
原文:https://www.cnblogs.com/gfbppy/p/11809951.html