Failed to start Etcd Server.启动etcd报错

admin

systemctl status etcd.service
* C2 E5 q; A! x% q● etcd.service - Etcd Server
( W$ w/ Y" k5 S! H1 \   Loaded: loaded (/usr/lib/systemd/system/etcd.service; enabled; vendor preset: disabled)
3 r4 ?% O- d9 z6 n   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)
1 U, P# 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
Aug 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.
0 s3 W5 X% u$ I1 M3 V! i" \Aug 29 09:19:21 controller2 systemd[1]: start request repeated too quickly for etcd.service
Aug 29 09:19:21 controller2 systemd[1]: Failed to start Etcd Server.
. F" m7 F! I3 t8 i9 F+ HAug 29 09:19:21 controller2 systemd[1]: Unit etcd.service entered failed state.
Aug 29 09:19:21 controller2 systemd[1]: etcd.service failed.
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' o8 z0 e1 m* p9 O0 M配置完成etcd配置文件后，启动服务，报错。

& z/ |. U7 O1 ~! ]- @7 a0 \检查配置文件的目录
cd /var/lib/etcd/default.etcd
-bash: cd: /var/lib/etcd/default.etcd: No such file or directory
发现没有这个目录存在：
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' b& u$ E: P4 R5 Y$ j解决办法：
修改配置文件的路劲：
% j& _' t( ?2 s- N$ U0 ]2 _, vETCD_DATA_DIR="/var/lib/etcd/default.etcd"
3 O4 }: S3 w, d为
4 ^+ v, s1 L) F( \/ uETCD_DATA_DIR="/var/lib/etcd"

重启etcd服务：

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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。