准备工作：1、提前建好bak_dirmkdir /home/mysql/backup_xt/2、提前创建好同步用户GRANT REPLICATION SLAVE,REPLICATION CLIENT ON *.* TO 'slave_user'@'192.168.1.%' IDENTIFIED BY '123456';3、提前准备好备份用户、可直接用root用户4、还原之后的mysql用户和数据都

https://coding.net/help/doc/project/markdown.html#i-6

编写脚本内容如下：#!/bin/bash yum install libaio-devel fio -y echo "------------512-4096------------">>IO_TEST for ((i=1; i<=5; i ++)) do echo "开始第"$i"组测试..." echo "