mysql5.7+keepalived1.3.5搭建热备服务器
1.规划系统IP地址软件包及安装方式VIPCentOS 7.3.161110.3.3.240mysql5.7; keepalived-1.3.5-610.3.3.99CentOS 7.3.161110.3.3.208mysql5.7 ;keepalived-1.3.5-610.3.3.99 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配置keepalived
http://i2.运维网.com/images/blog/201805/13/c336b72055d33f459bfe9e37d0ff3c72.png
配置文件中的nopreempt:是保证keepalived出现故障恢复后频繁切换。
5.slave配置keepalived
http://i2.运维网.com/images/blog/201805/13/47f95756967d7e6c79e42930b6fabfe4.png
6.启动keepalived：
systemctl start keepalived
7.查看VIP地址：
http://i2.运维网.com/images/blog/201805/13/22c2d128fc8509c74db1fcee4b0520b9.png
8.关闭master的keepalived：
systemctl stop keepalived
http://i2.运维网.com/images/blog/201805/13/e18953a676e9ade8417feb59c8eddc8a.png
9.测试连接：
http://i2.运维网.com/images/blog/201805/13/347f7173085148eb53f440de85233ea7.png
页:
[1]