keepalive高可用
1.安装yum -y install keepalive 2.编辑配置文件vim /etc/keepalive/keepalive.conf global_defs { router_id backup-node } vrrp_instance VI_1 { state BACKUP#(如果是主节点写MASTER) interface eth0 virtual_router_id 51(主备节点一致) priority 90(主节点要大于从节点) advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.0.2/24(虚ip) } } 3.systemctl start keepalived启动 来源: https://www.cnblogs.com/CLAYJJ/p/12457405.html