1:主A服务器
![](https://images2015.cnblogs.com/blog/746846/201701/746846-20170109214310119-169310702.png)
![](https://images2015.cnblogs.com/blog/746846/201701/746846-20170109214310541-1545915454.png)
![](https://images2015.cnblogs.com/blog/746846/201701/746846-20170109214310900-1342301332.png)
然后重新生成配置文件数据
主B服务器
![](https://images2015.cnblogs.com/blog/746846/201701/746846-20170109214311306-956518431.png)
![](https://images2015.cnblogs.com/blog/746846/201701/746846-20170109214311744-762344037.png)
![](https://images2015.cnblogs.com/blog/746846/201701/746846-20170109214312166-501033682.png)
注意:两个主服务器的rid必须得一样
在做主从的时候,必须得安装必要的软件包,compat-openldap这个与主从有重大联系
如:yum install openldap openldap-servers openldap-clients openldap-devel compat-openldap httpd php php-bcmath php-gd php-mbstring php-xml php-ldap phpldapadmin
测试:
一台挂了,双主和主从不会自动切换到另一台,还得做高可用和负载均衡。