在添加加速器后，重新启动docker进程

报错如下：Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.查看：systemctl status docker.service▽2月 08 18:57:38 oldboyedu systemd[1]: Failed to start Docker Application Container Engine.12月 08 18:57:38 oldboyedu systemd[1]: Unit docker.service entered failed state.12月 08 18:57:38 oldboyedu systemd[1]: docker.service failed.12月 08 18:57:38 oldboyedu systemd[1]: docker.service holdoff time over, scheduling restart.12月 08 18:57:38 oldboyedu systemd[1]: start request repeated too quickly for docker.service12月 08 18:57:38 oldboyedu systemd[1]: Failed to start Docker Application Container Engine.12月 08 18:57:38 oldboyedu systemd[1]: Unit docker.service entered failed state.12月 08 18:57:38 oldboyedu systemd[1]: docker.service failed.解决办法：编辑docker加速器 ，在文件第一行添加：{ "storage-driver": "devicemapper" }再次启动docker进程即可