[root@www.moneyslow.com ~]# systemctl restart docker
重启docker后，发现一个容器状态开始为Dead，后来转为 Removal In Progress
[root@www.moneyslow.com ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e51647849b2a registry "/entrypoint.sh /e..." 2 weeks ago Dead confident_ride
[root@www.moneyslow.com ~]# docker rm e51647849b2a
Error response from daemon: driver "overlay" failed to remove root filesystem for e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9: remove /var/lib/docker/overlay/94d170fcac04f46108076157153c768094b459c9f92d52097a11c2641253f6bc/merged: device or resource busy
[root@www.moneyslow.com ~]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e51647849b2a registry "/entrypoint.sh /e..." 2 weeks ago Removal In Progress confident_ride
解决办法：进入到容器目录，查看文件
[root@www.moneyslow.com containers]# pwd
/var/lib/docker/containers
[root@www.moneyslow.com containers]# find .
.
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9/resolv.conf
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9/hosts
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9/e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9-json.log
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9/resolv.conf.hash
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9/hostconfig.json
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9/checkpoints
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9/config.v2.json
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9/hostname
./e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9/shm
发现确实有一个容器目录存在，而且id号相同：
[root@www.moneyslow.com containers]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e51647849b2a registry "/entrypoint.sh /e..." 2 weeks ago Removal In Progress confident_ride
[root@www.moneyslow.com containers]# ll
total 4
drwx------ 4 root root 4096 Nov 9 11:00 e51647849b2a54f2cc19451811bea3990289cc8b237cf2b73bd4c4093ce8f0d9
删除文件并重启：
[root@www.moneyslow.com containers]# rm -rf ./*
[root@www.moneyslow.com containers]# systemctl restart docker
[root@www.moneyslow.com containers]# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES