迁移docker目录/var/lib/docker/

https://cloud.tencent.com/developer/article/2020334?pos=comment 假如迁移到 /home/docker_lib

1. 停止docker服务

sudo systemctl stop docker
sudo systemctl stop docker.socket

2.创建目标路径

sudo mkdir /home/docker_lib

3.同步数据

sudo rsync -avzP /var/lib/docker/ /home/docker_lib

4.修改docker服务 在ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock后添加--graph=/home/docker_lib

sudo vim /etc/docker/daemon.json

{
     "data-root": "/home/docker_lib"
}

5.重启docker服务

sudo systemctl daemon-reload 
sudo systemctl restart docker

6.验证结果

docker info | grep root
docker ps

 Docker Root Dir: /home/docker_lib

7.删除旧目录

sudo rm /var/lib/docker/ -rf