keepalived 主备安装配置

时间：2010-03-15 来源：dicc

tar xf keepalived-1.1.19.tar.gz
cd keepalived-1.1.19
./configure --prefix=/opt/keepalived && make && make install
cp keepalived/etc/init.d/keepalived.sysconfig /etc/sysconfig/keepalived
cp keepalived/etc/init.d/keepalived.rh.init /etc/init.d/keepalived
chmod +x /etc/init.d/keepalived
ln -s /opt/keepalived/sbin/keepalived /sbin/keepalived
chkconfig --add keepalived
cp -a keepalived/etc/keepalived/ /etc/ vi /etc/keepalived/keepalived.conf

! Configuration File for keepalived

global_defs {
   notification_email {
        [email protected]
   }
   notification_email_from [email protected]
   smtp_server 127.0.0.1
   smtp_connect_timeout 30
   router_id NX_LB
}

vrrp_instance VI_1 {
    state BACKUP  #两个都需要用BACKUP，用priority区别主辅
    interface eth0
    virtual_router_id 51
    priority 100  #优先级
    mcast_src_ip 10.10.81.100   #主/辅IP
    advert_int 1  #主/辅check间隔时间
    nopreempt   #主机上用，如果切换后主机起来不再切换
    authentication {
        auth_type PASS
        auth_pass 55555
    }
    virtual_ipaddress {
        XX.XX.XX.XX/24 dev eth0 scope global
    }
}