docker error: no space left on device 问题及解决

最新推荐文章于 2025-03-20 11:11:57 发布

yourtone

最新推荐文章于 2025-03-20 11:11:57 发布

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文章标签： docker 容器 linux

本文链接：https://blog.youkuaiyun.com/yourtone/article/details/122842491

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当运行Docker容器时遇到'no space left on device'错误，可以通过更新docker.service文件或更改Docker根目录来解决。更新服务文件未解决问题，但改变Docker根目录成功释放了更多磁盘空间。

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【运行】

docker run -i -t 镜像名 /bin/bash

【报错】

docker: write /var/lib/docker/tmp/GetImageBlob167182478: no space left on device.

【解决方案1】更新docker.serive文件——未解决

ubuntu - Docker error : no space left on device - Stack Overflowhttps://stackoverflow.com/a/56126715

If you are facing this issue even after below command:

docker system prune --all

The solution which worked finally:

docker info
- To check current docker storage driver
- Mine was : Storage Driver: devicemapper; If you have storage driver as overlay2 nothing to worry about. Solution will still work for you.
df -h
- This is to check the available file systems on machine and the path where they are mounted. Two mounted path to have a note:
- /dev/mapper/rootvg-var 7.6G 1.2G 6.1G 16% /var
- /dev/mapper/rootvg-apps 60G 9.2G 48G 17% /apps
- Note- By default docker storage path is /var/lib/docker. It has available space ~6 GB and hence all the space related issues. So basically, I have to move default storage to some other storage where available space is more. For me its File sysyem path '/dev/mapper/rootvg-apps' which is mounted on /apps. Now task is to move /var/lib/docker to something like /apps/newdocker/docker.
mkdir /apps/newdocker/docker
chmod -R 777 /apps/newdocker/docker
Update docker.serive file on linux which resides under: /usr/lib/systemd/system
- vi /usr/lib/systemd/system/docker.service
if storage device is devicemapper , comment existing ExecStart line and add below under [Service]:
- ExecStart=
- ExecStart=/usr/bin/dockerd -s devicemapper --storage-opt dm.fs=xfs --storage-opt dm.basesize=40GB -g /apps/newdocker/docker --exec-opt native.cgroupdriver=cgroupfs
Or if storage device is overlay2:
- just add -g /apps/newdocker/docker in the existing ExexStart statement.
- Something like ExecStart=/usr/bin/dockerd -g /apps/newdocker/docker -H fd:// --containerd=/run/containerd/containerd.sock
rm -rf /var/lib/docker (It will delete all existing docker data)
systemctl stop docker
ps aux | grep -i docker | grep -v grep
- If no output has been produced by the above command, reload systemd daemon by below command.
systemctl daemon-reload
systemctl start docker
docker info
- Check out the Data Space Available: 62.15GB after mouting to docker to new File system.
DONE

【解决方案2】docker change root directory——已解决

IBM Docs

Stop the Docker services:

sudo systemctl stop docker
sudo systemctl stop docker.socket
sudo systemctl stop containerd

Create the necessary directory structure into which to move Docker Root by running the following command. This directory structure must reside on a file system with at least 50GB free disk space. Significantly more disk space may be required depending on your daily ingestion volumes and data retention policy:
```
sudo mkdir -p /new_dir_structure
```
Move Docker Root to the new directory structure:
```
sudo mv /var/lib/docker /new_dir_structure
```
Edit the file /etc/docker/daemon.json. If the file does not exist, create the file by running the following command:
```
sudo vim /etc/docker/daemon.json
```
Add the following information to this file:
```
{
  "data-root": "/new_dir_structure/docker”
}
```
After the /etc/docker/daemon.json file is saved and closed, restart the Docker services:
```
sudo systemctl start docker
```
After you run the command, all Docker services through dependency management will restart.
Validate the new Docker Root location:
```
docker info -f '{{ .DockerRootDir}}'
```