005.MySQL双主-Master01可用配置

 [root@Master01 ~]# vim /etc/keepalived/keepalived.conf
 ! Configuration File for keepalived
 global_defs {
    notification_email {
      acassen@firewall.loc
      failover@firewall.loc
      sysadmin@firewall.loc
    }
    notification_email_from Alexandre.Cassen@firewall.loc
    smtp_server 172.24.8.10
    smtp_connect_timeout 30
    router_id LVS_DEVEL
    vrrp_skip_check_adv_addr
    vrrp_strict
    vrrp_garp_interval 0
    vrrp_gna_interval 0
 }
 vrrp_instance HA_1 {
     state BACKUP	#在Master01和Master02上均配置为BACKUP
     interface eth1
     virtual_router_id 51
     priority 100
     advert_int 1
     nopreempt		#不抢占模式，只有优先级高的机器上设置即可，优先级低的机器可不设置
     authentication {
         auth_type PASS
         auth_pass 1111
     }
     virtual_ipaddress {
     172.24.8.12
     }
 }

 virtual_server 172.24.8.12 3306 {
      delay_loop 2
      lb_algo wrr
      lb_kind DR
      persistence_timeout 60	#会话保持时间
      protocol TCP
      real_server 172.24.8.10 3306 {
          weight 3
          notify_down /root/shutdown.sh		#检测到服务down后执行的脚本
          TCP_CHECK {
              connect_timeout 10			#连接超时时间
              nb_get_retry 3			#重连次数
              delay_before_retry 3		#重连间隔时间
              connect_port 3306			#健康检查端口
          }
      }
 }