GP failover,primary和mirror切换实验 http://blog.sina.com.cn/s/blog_9869114e0101k1nc.html 一.恢复失败的segment出现segment节点down,恢复GP的思路:if"segment down" thencase "determine case(errer,message,log,gpstate and so on)"when "data error[missing or c
一. Innobackupex恢复原理 After creating a backup, the data is not ready to be restored. There might be uncommitted transactions to be undone or transactions in the logs to be replayed. Doing those pending operations will make the data files consistent