我尝试了上述所有方法(除了重新启动docker)。
这里是关于docker rm的错误:
$ docker rm 08d51aad0e74
Error response from daemon: driver "devicemapper" failed to remove root filesystem for 08d51aad0e74060f54bba36268386fe991eff74570e7ee29b7c4d74047d809aa: remove /var/lib/docker/devicemapper/mnt/670cdbd30a3627ae4801044d32a423284b540c5057002dd010186c69b6cc7eea: device or resource busy
接着我进行了以下操作:
$ grep docker /proc/*/mountinfo | grep 958722d105f8586978361409c9d70aff17c0af3a1970cb3c2fb7908fe5a310ac
/proc/20416/mountinfo:629 574 253:15 / /var/lib/docker/devicemapper/mnt/958722d105f8586978361409c9d70aff17c0af3a1970cb3c2fb7908fe5a310ac rw,relatime shared:288 - xfs /dev/mapper/docker-253:5-786536-958722d105f8586978361409c9d70aff17c0af3a1970cb3c2fb7908fe5a310ac rw,nouuid,attr2,inode64,logbsize=64k,sunit=128,swidth=128,noquota
这个命令会给出占用资源的进程PID - 20416(在“/proc/”之后)。然后我执行了“ps -p”命令,惊讶地发现:
[devops@dp01app5030 SeGrid]$ ps -p 20416
PID TTY TIME CMD
20416 ? 00:00:19 ntpd
一个真正的令人惊讶的时刻。所以我和谷歌一起解决了这个问题,并找到了这个:https://github.com/docker/for-linux/issues/124
结果发现我需要重新启动ntp守护程序,这样问题就解决了!