删除了etcd集群所有节点中的--data_dir的内容
[root@node3 ~]# cd /var/lib/etcd/ [root@node3 etcd]# ls member [root@node3 etcd]# cd member/ [root@node3 etcd]# rm -rf member/
etcd:Job for etcd.service failed because a timeout was exceeded. See "systemctl status etcd.service"
原文：https://www.cnblogs.com/daisyyang/p/11140433.html