Failed to start Etcd Server.启动etcd报错

admin

systemctl status etcd.service
0 V- ?  ^6 E: A0 S- K/ D) E● etcd.service - Etcd Server
; ?" i3 x" d4 s( e, C! _, m* S$ M   Loaded: loaded (/usr/lib/systemd/system/etcd.service; enabled; vendor preset: disabled)
   Active: failed (Result: start-limit) since Wed 2018-08-29 09:19:21 CST; 11s ago
  Process: 2923 ExecStart=/bin/bash -c GOMAXPROCS=$(nproc) /usr/bin/etcd --name="${ETCD_NAME}" --data-dir="${ETCD_DATA_DIR}" --listen-client-urls="${ETCD_LISTEN_CLIENT_URLS}" (code=exited, status=1/FAILURE)
2 Q+ {. [7 V& m% T+ o Main PID: 2923 (code=exited, status=1/FAILURE)
Aug 29 09:19:20 controller2 systemd[1]: etcd.service: main process exited, code=exited, status=1/FAILURE
( `7 O4 E. y1 f0 `4 M3 ~4 k! iAug 29 09:19:20 controller2 systemd[1]: Failed to start Etcd Server.
Aug 29 09:19:20 controller2 systemd[1]: Unit etcd.service entered failed state.
Aug 29 09:19:20 controller2 systemd[1]: etcd.service failed.
Aug 29 09:19:21 controller2 systemd[1]: etcd.service holdoff time over, scheduling restart.
Aug 29 09:19:21 controller2 systemd[1]: start request repeated too quickly for etcd.service
- ?/ n, S7 O, z) sAug 29 09:19:21 controller2 systemd[1]: Failed to start Etcd Server.
( c5 D8 G1 e( d  i' AAug 29 09:19:21 controller2 systemd[1]: Unit etcd.service entered failed state.
Aug 29 09:19:21 controller2 systemd[1]: etcd.service failed.
4 P/ \4 p8 `( I* N3 ?: v
配置完成etcd配置文件后，启动服务，报错。

检查配置文件的目录
$ y& i4 b$ _  P7 _7 C, u% | cd /var/lib/etcd/default.etcd
-bash: cd: /var/lib/etcd/default.etcd: No such file or directory
  k, F' z3 d3 K9 [) I9 m' H, I发现没有这个目录存在：
2 P. \8 g1 G0 i* l4 R2 _" {
7 k  x7 m" S& v, U解决办法：
* u3 T6 U  Q) L# Z# @修改配置文件的路劲：
ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
为
* r; z) }- R/ kETCD_DATA_DIR="/var/lib/etcd"

重启etcd服务：

admin

启动失败，怎么修改都失败，感觉etcd这个服务还有部分没有做完善。