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The WSL 2 docker-desktop-data vm disk image would normally reside in: %USERPROFILE%\AppData\Local\Docker\wsl\data\ext4.vhdx
Follow the following to relocate it to other drive/directory, with all existing docker data preserved (tested against Docker Desktop 2.3.0.4 (46911), and continued to work after updating the 3.1.0 (51484)):
First, shut down your docker desktop by right click on the Docker Desktop icon and select Quit Docker Desktop
Then, open your command prompt:
wsl --list -v
You should be able to see, make sure the STATE for both is Stopped.(wsl --shutdown
)
- NAME STATE VERSION
- * docker-desktop Stopped 2
- docker-desktop-data Stopped 2
Export docker-desktop-data into a file
wsl --export docker-desktop-data "D:\Docker\wsl\data\docker-desktop-data.tar"
Unregister docker-desktop-data from wsl, note that after this, your ext4.vhdx
file would automatically be removed (so back it up first if you have important existing image/container):
wsl --unregister docker-desktop-data
Import the docker-desktop-data back to wsl, but now the ext4.vhdx would reside in different drive/directory:
wsl --import docker-desktop-data "D:\Docker\wsl\data" "D:\Docker\wsl\data\docker-desktop-data.tar" --version 2
Start the Docker Desktop again and it should work
You may delete the D:\Docker\wsl\data\docker-desktop-data.tar
file (NOT the ext4.vhdx
file) if everything looks good for you after verifying
总结下来:
1. wsl --shutdown
2. 把wsl exports出去,这个步骤相当于把镜像文件保存到其他位置
3. 把tar文件import 到wsl内
中间可能会出现 “由于虚拟磁盘系统限制,无法完成请求的操作。虚拟硬盘文件必须是未压缩和未加密的文件,并且不能是稀疏文件”
请不要压缩你import 到的文件夹
举个例子,d:\docker\wsl\data 这个文件夹就不要做任何压缩了
同样的方法你也可以把Ubuntu 移动位置
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