修改docker镜像存储的位置

 

查看docker配置文件路径

systemctl show --property=FragmentPath docker

 

修改/usr/lib/systemd/system/docker.service文件，添加--graph参数

# vi /usr/lib/systemd/system/docker.service

 

[Unit]

Description=Docker Application Container Engine

Documentation=http://docs.docker.com

After=network.target

Wants=docker-storage-setup.service

Requires=docker-cleanup.timer

 

 

[Service]

Type=notify

NotifyAccess=main

EnvironmentFile=-/run/containers/registries.conf

EnvironmentFile=-/etc/sysconfig/docker

EnvironmentFile=-/etc/sysconfig/docker-storage

EnvironmentFile=-/etc/sysconfig/docker-network

Environment=GOTRACEBACK=crash

Environment=DOCKER_HTTP_HOST_COMPAT=1

Environment=PATH=/usr/libexec/docker:/usr/bin:/usr/sbin

ExecStart=/usr/bin/dockerd-current \

          --add-runtime docker-runc=/usr/libexec/docker/docker-runc-current \

          --graph=/data/docker \

          --default-runtime=docker-runc \

……

 

重启docker

 

systemctl daemon-reload

systemctl restart docker

#重启docker服务，会导致所有容器重启

#测试环境可以直接重启，所有镜像会重新下载