部署ETCD异常解决

# 查看日志
[root@m2 pki]#  journalctl -xe


-- Subject: Unit etcd.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit etcd.service has failed.
-- 
-- The result is failed.
7月 24 11:50:23 m2 systemd[1]: Unit etcd.service entered failed state.
7月 24 11:50:23 m2 systemd[1]: etcd.service failed.
7月 24 11:50:28 m2 systemd[1]: etcd.service holdoff time over, scheduling restart.
7月 24 11:50:28 m2 systemd[1]: Stopped Etcd Server.
-- Subject: Unit etcd.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit etcd.service has finished shutting down.
7月 24 11:50:28 m2 systemd[1]: Starting Etcd Server...
-- Subject: Unit etcd.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit etcd.service has begun starting up.
7月 24 11:50:28 m2 systemd[22353]: Failed at step CHDIR spawning /usr/local/bin/etcd: No such file or directory
-- Subject: Process /usr/local/bin/etcd could not be executed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- The process /usr/local/bin/etcd could not be executed and failed.
-- 
-- The error number returned by this process is 2.
7月 24 11:50:28 m2 systemd[1]: etcd.service: main process exited, code=exited, status=200/CHDIR
7月 24 11:50:28 m2 systemd[1]: Failed to start Etcd Server.
-- Subject: Unit etcd.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit etcd.service has failed.
-- 
-- The result is failed.
7月 24 11:50:28 m2 systemd[1]: Unit etcd.service entered failed state.
7月 24 11:50:28 m2 systemd[1]: etcd.service failed.

问题描述：

Oct 13 20:01:08 c_3.50 systemd[1]: Started etcd.
Oct 13 20:01:08 c_3.50 systemd[1]: Starting etcd...
Oct 13 20:01:08 c_3.50 systemd[1]: etcd.service: main process exited, code=exited, status=203/EXEC  //203不能执行
Oct 13 20:01:08 c_3.50 systemd[1]: Unit etcd.service entered failed state.
Oct 13 20:01:08 c_3.50 systemd[1]: etcd.service failed.

问题解决：

01、查看exe执行在配置的路径中存在不

02、脚本是否加#!/bin/bash

 注意：截图中的环境变量不允许${}，必须用实体替换或者写到EnvironmentFile中

Oct 13 20:15:08 c_3.50 systemd[1]: Started etcd.
Oct 13 20:15:08 c_3.50 systemd[1]: Starting etcd...
Oct 13 20:15:08 c_3.50 systemd[1]: etcd.service: main process exited, code=exited, status=1/FAILURE  //环境变量设置异常
Oct 13 20:15:08 c_3.50 systemd[1]: Unit etcd.service entered failed state.
Oct 13 20:15:08 c_3.50 systemd[1]: etcd.service failed.