docker服务器更改存储驱动程序后失败

我在Centos 7机器上安装docker比通过以下命令将设备驱动程序更改为设备映射器dockerd –storage-driver = devicemapper＆

这样做后，我无法启动泊坞窗守护进程我得到以下错误的任何build议。

Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled) Active: failed (Result: start-limit) since Wed 2017-05-03 17:30:53 EDT; 35s ago Docs: https://docs.docker.com Process: 15165 ExecStart=/usr/bin/dockerd (code=exited, status=1/FAILURE) bash: [root@ip-10-1-23-224: command not found [root@ip-10-1-23-224 ec2-user]# ● docker.service - Docker Application Container Engine Main PID: 15165 (code=exited, status=1/FAILURE) May 03 17:30:52 ip-10-1-23-224.us-west-1.compute.internal systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE May 03 17:30:52 ip-10-1-23-224.us-west-1.compute.internal systemd[1]: Failed to start Docker Application Container Engine. May 03 17:30:52 ip-10-1-23-224.us-west-1.compute.internal systemd[1]: Unit docker.service entered failed state. May 03 17:30:52 ip-10-1-23-224.us-west-1.compute.internal systemd[1]: docker.service failed.