centos7部署keepalived

yum install keepalived -y

修改/etc/keepalived.conf配置文件，达到高可用状态

vim /etc/keepalived/keepalived.conf

! Configuration File for keepalived

global_defs {

router_id MASTER     #主写MASTER，备写BACKUP

}

vrrp_instance VI_1 {

state MASTER    #主写MASTER，备写BACKUP

interface eth0    #本机的有效网卡

virtual_router_id 51　 #高可用集群组里的id

priority 100    #优先级权值，主的值比备的要高

advert_int 1

authentication {

auth_type PASS

auth_pass 1111

}

virtual_ipaddress {

192.168.108.200    #虚拟VIP

}

}

systemctl start keepalived
systemctl enable keepalived