ETCD数据库崩溃的处理
故障描述下午家里停电，恢复供电之后发现K8S集群不能自动启动了，检查发现3个ETCD节点服务都启不动了，报错日志如下：Jun 24 19:45:05 etcd1 systemd[1]: Starting Etcd Server...-- Subject: Unit etcd.service has begun start-up-- Defined-By: systemd-- Support: http://lists.freedesktop.org/mailman/listinfo/system
