一、停掉 containerd、cri-docker、docker
systemctl stop containerd
systemctl stop cri-docker
systemctl stop docker
二、拷贝 docker 工作目录下的所有文件到新路径
rsync -aP /var/lib/docker/ /docker/data/
三、daemon.json 添加新工作目录路径
{"registry-mirrors": ["https://oi87dmig.mirror.aliyuncs.com","https://docker.mirrors.ustc.edu.cn","https://hub-mirror.c.163.com","http://mirror.baidubce.com","https://registry.docker-cn.com"],"data-root": "/docker/data","log-driver": "json-file","log-opts": {"max-size": "10m","max-file": "3"}}
四、重启 containerd、cri-docker、docker
systemctl daemon-reload
systemctl start containerd
systemctl start cri-docker
systemctl start docker