1.规划
系统 | IP地址 | 软件包及安装方式 | VIP |
---|---|---|---|
CentOS 7.3.1611 | 10.3.3.240<master> | mysql5.7<rpm>; keepalived-1.3.5-6<yum> | 10.3.3.99 |
CentOS 7.3.1611 | 10.3.3.208<slave > | mysql5.7<rpm> ;keepalived-1.3.5-6<yum> | 10.3.3.99 |
2.安装准备 mysql主从或者mysql双主,自行搭建这里不再赘述。 注:mysql与keepalived最好在同一台主机。mysql主从开启远程用户 3.keepalived安装 yum -y install keepalived 4.master<10.3.3.240>配置keepalived 配置文件中的nopreempt:是保证keepalived出现故障恢复后频繁切换。 5.slave<10.3.3.208>配置keepalived 6.启动keepalived: systemctl start keepalived 7.查看VIP地址: 8.关闭master的keepalived: systemctl stop keepalived
9.测试连接: