停止docker

systemctl stop docker

迁移文件

mkdir -p /data/docker/lib/docker/
rsync -av /var/lib/docker/ /data/docker/lib/docker/

修改配置

# /etc/docker/daemon.json
# 在配置文件中添加以下参数
"data-root": "/data/docker/lib/docker"

启动docker

systemctl daemon-reload
systemctl start docker

检查配置

docker info
df -h