mysql + keepalived 双主复制结构 keepalived配置文件keepalived.conf

配置文件修改注意：

1，在keepalived源码包中有keepalived.conf 的原始配置文件，把这个原始配置文件复制到/etc/keepalived/keepalived.conf 目录下，然后修改这个配置文件，修改内容如下：

! Configuration File for keepalived

global_defs {
   smtp_server 127.0.0.1
   smtp_connect_timeout 30
   router_id mysql_201
}

vrrp_instance VI_1 {
    state BACKUP
    interface eth0
    virtual_router_id 51
    priority 90
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        192.168.11.202
    }
}

virtual_server 192.168.11.202 3306 {
    delay_loop 2
    lb_algo wrr
    lb_kind DR
    nat_mask 255.255.255.0
    persistence_timeout 50
    protocol TCP
    real_server 192.168.11.201 3306 {
        weight 3
notify_down /usr/local/script/mysql.sh
        TCP_CHECK {
            connect_timeout 10
            nb_get_retry 3
            delay_before_retry 3
    connect_port 3306
        }
    }
}