• Keepalived 主备配置


    keepalived主备或多主多备,配置都是一样配置方法,只是搭建多少的问题。

    1.keepalived安装

      参考:https://www.cnblogs.com/zwcry/p/9542867.html

    2.keepalived.conf配置

      1)修改主keepalived.conf

       谨记:该配置慎用空格,可以使用TAB或回车排版,空格会被识别为赋值,导致keepalived运行失败

      内容如下:

    ! Configuration File for keepalived
    
    vrrp_instance VI_1 {
    	state MASTER#两个值(主:MASTER  备:BACKUP),必须大写
    	interface ens33#网卡接口,ip a查看,上面主备搭建教程有讲
    	virtual_router_id 51#虚拟路由ID,主备或多主多备,需要全部设置一样
    	priority 101#优先级,越高越优先使用该服务
    	advert_int 1#多个keepalived的通讯检测间隔,单位秒
    	authentication {#认证类型与密码,主备或多主多备需要设置一样
    		auth_type PASS
    		auth_pass 1111
      }
    
    	virtual_ipaddress {
    		192.168.159.110#定义虚拟IP,换行可以定义多个
    	}
    }

      2)修改备keepalived.conf

       谨记:该配置慎用空格,可以使用TAB或回车排版,空格会被识别为赋值,导致keepalived运行失败

      内容如下:

    ! Configuration File for keepalived
    
    vrrp_instance VI_1 {
    	state BACKUP#两个值(主:MASTER  备:BACKUP),必须大写
    	interface ens33#网卡接口,ip a查看,上面主备搭建教程有讲
    	virtual_router_id 51#虚拟路由ID,主备或多主多备,需要全部设置一样
    	priority 100#优先级,越高越优先使用该服务
    	advert_int 1#多个keepalived的通讯检测间隔,单位秒
    	authentication {#认证类型与密码,主备或多主多备需要设置一样
    		auth_type PASS
    		auth_pass 1111
      }
    
    	virtual_ipaddress {
    		192.168.159.110#定义虚拟IP,换行可以定义多个
    	}
    }

    3.测试

      1)重启主备keepalived,查看ip信息

        systemctl restart keepalived

        ip add

        

        

      2)停止主keepalived,查看ip信息

        systemctl stop keepalived

        ip add

        

        

      3)开启主keepalived,再次查看ip信息

        systemctl start keepalived

        ip add

        

        

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  • 原文地址:https://www.cnblogs.com/zwcry/p/9549756.html
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