2、进入救援模式，根据报错可先优先检查keepalived服务和配置文件，检查到keepalived服务启动状态是failed状态，查看keepalived配置文件被重命名为了keepalived.cof.bak，正常无法读到配置文件导致的服务启动失败。

3、尝试cp /etc/keepalived/keepalived.conf.bak /etc/keepalived/keepalived.cof后重启keepalived服务并开机后可以正常到登录接入登录系统。