keepalived 故障轉移 配置示例

主：

! Configuration File for keepalived  
  
global_defs {  
   notification_email {  
     #admin@michael-demo.com  
   }  
   #notification_email_from admin@michael-demo.com  
   #smtp_server 127.0.0.1  
   #smtp_connect_timeout 30  
   router_id LVS_1
}  
  
vrrp_instance VI_1 {  
    state MASTER     #  另一種爲BACKUP
    interface em1  #  綁定虛擬IP的網卡
    virtual_router_id LVS_1
    priority 100   #  主機能夠設置爲100
   # nopreempt #設置了這個參數，則state MASTER不起做用而是根據權重(priority)來搶佔
    advert_int 1
    authentication {  
        auth_type PASS  
        auth_pass 1111  
    }  
    virtual_ipaddress {  
        58.211.8.119   # 虛擬IP地址
    } 
}  

 

從：

! Configuration File for keepalived  
  
global_defs {  
   notification_email {  
     #admin@michael-demo.com  
   }  
   #notification_email_from admin@michael-demo.com  
   #smtp_server 127.0.0.1  
   #smtp_connect_timeout 30  
   router_id LVS_1
}  
  
vrrp_instance VI_1 {  
    state BACKUP     #  另一種爲BACKUP
    interface eth2  #  綁定虛擬IP的網卡
    virtual_router_id LVS_1
    priority 1   #  主機能夠設置爲100
     # nopreempt #設置了這個參數，則state MASTER不起做用而是根據權重(priority)來搶佔
    advert_int 1
    authentication {  
        auth_type PASS  
        auth_pass 1111  
    }  
    virtual_ipaddress {  
        58.211.8.119   # 虛擬IP地址
    }  
}