systemctl stop docker

yum install rsync -y

mkdir -p /data/docker

# 注意这个路径 { "data-root": "/data/docker/docker" }
rsync -avz /var/lib/docker /data/docker 

# 腾讯的 https://mirror.ccs.tencentyun.com

cat > /etc/docker/daemon.json << EOF
{
  "data-root": "/data/docker/docker",
  "registry-mirrors": ["https://hub-mirror.c.163.com"]
}
EOF

systemctl daemon-reload

#systemctl reset-failed docker.service

systemctl restart docker

docker info

docker数据迁移