This allows you to shrink a WSL2 virtual disk file, reclaiming disk space. Here’s how to get at your Windows Subsystem for Linux files.. Your results may vary though. I am actually doing this on a Windows 10 Insider build 20150 system with an RTX2080Ti GPU and, yes, CUDA applications work! I would recommend at least 50GB available for your current build of Windows, roll back, and checkpoints, discussed below Starting with Windows Insiders preview build 20211, WSL 2 will be offering a new feature: wsl --mount.This new parameter allows a physical disk to be attached and mounted inside WSL 2, which enables you to access filesystems that aren’t natively supported by Windows (such as ext4). WSL2: How to Fix "Virtual hard disk files must be uncompressed and unencrypted and must not be sparse" Aug 26, 2020 1 min read. However, one of the few downsides of WSL2 is that it uses a virtual disk (VHDX) to store the filesystem. Once the disk is identified, run: wsl --mount --bare This will make the disk available in WSL 2. We need a way to manually free up this space from Windows 10. if you have Pro or enterprise, you can do the following. Cool, I will check it out. It boots up in seconds compared to what it would have taken for a normal VM to start. Long story short, I saved a backup in the wrong directory, and my WSL2 disk expanded to use up all available space on my drive. This thread is locked. Behind the scenes, WSL2 actually runs a lightweight VM. Microsoft has recently added support for mapping physical disks to your WSL2 VM. by removing unused images, vhdx doesn't shrink automatically. >:-) Having said all that, you can always do the following to strip WSL of stuff that you don't need: apt list --installed apt purge WhateverYouDontNeed sudo apt autoremove sudo apt autoclean ;-) Once you’ve identified the folder, you’ll find the VHDX in the LocalState subdirectory. In WSL2, the default disks are virtual. If you check your VHDX now, you should see it has reduced in size. The setup instructions say the following: Before your start, please make sure you have assigned enough disk space to your Docker set up. WSL 2 uses a Virtual Hard Disk (VHD) to store your Linux files. With the full path to the VHDX, you can select it within diskpart: Once it’s selected, you can ask diskpart to compact it: Once that has finished, you can close diskpart. I linked this to the Urbit community so if you see an uptick of traffic that’s why. It’ll take a bit more time for the initial install and take up more disk space, but you’re guaranteed to have most of the tools you need for anything you’d like to do. WSL 2 uses a Virtual Hard Disk (VHD) to store your Linux files. disk-space Ubuntu windows 10 windows-subsystem-for-linux How much disk space is WSL using on Windows? WSL2 Conversion. This virtual hard disk file can automatically grow when it needs more space (to a certain limit). $ docker system prune WARNING! Mar 21, 2020 1 min read wsl2 Reduce WSL2 disk size. $ docker system prune WARNING! Isn’t it the same what “optimize-vhd -Path .\ext4.vhdx -Mode full” command does? Now, this might seem okay, but the problem is that the size of the virtual hard drive keeps on increasing automatically and if you delete a file from the linux file system, the space occupied by the VHD is still the same. How much disk space is WSL using on Windows? disk-space Ubuntu windows 10 windows-subsystem-for-linux How much disk space is WSL using on Windows? Now the more projects I have, the less free space is on disk C. I would like to keep the disk C just for system and programs. Deleting a directory in WSL to free up disk space? This allows you to shrink a WSL2 virtual disk file, reclaiming disk space. Compacting a vhdx file won't degrade disk performance. The WSL 2 VHD uses the ext4 file system. You can check if it’s running with the command ‘wsl.exe --list --verbose‘ in PowerShell: It should stop when it’s idle, or you can encourage it to stop with the ‘wsl.exe --terminate‘ command: I also highly recommend you take a backup of your WSL2 installation. For me, this path is:C:\Users\valorin\AppData\Local\Packages\WhitewaterFoundryLtd.Co.16571368D6CFF_kd...\LocalState\ext4.vhdx. This VHD automatically resizes to meet your storage needs and has an initial maximum size of 256GB. Everything is automated and defaulted in WSL2. This VHD automatically resizes to meet your storage needs and has an initial maximum size of 256GB. With a WSL 2 install the virtual disk is initially limited to 256GB. With a WSL 2 install the virtual disk is initially limited to 256GB. Disk space consumption. While the tools in your desktop environment are good, it’s much better to use the direct ones from the command line. Save my name, email, and website in this browser for the next time I comment. I found that you can go into Windows' Apps & Features and it will display disk usage for the WSL2 "Ubuntu", but this does not seem to include WSL Legacy or maybe it does since it seems to report more than I expect? ... You should be sure you have enough disk space for Fast Ring. Around 2 minutes. This means you can end up in a situation where your virtual disk is taking up 100GB, but WSL2 only needs 15GB… which is exactly what happened to me today! So please, take a backup first! on security, development, and other such things... CSRF Is Dead, Long Live SameSite=Lax! "Welcome to Ubuntu 20.04 LTS (GNU/Linux 4.19.121-microsoft-WSL2-standard x86_64)" That Microsoft Linux kernel along with a pre-release "developers" driver from NVIDIA, are part of what is needed for GPU compute in WSL. Before you go any further, it’s a good idea to check that there really is space left on the disk. Have to manually allocate not only RAM and hard disk space; but also CPU's and even BIOS settings sometimes. Under Right Click -> Properties -> General -> Advanced, I spotted Compress contents to save disk space was ticked for some reason. I’d run into this problem once before when I deleted a large file and the space wasn’t freed from the virtual hard disk. How much disk space is WSL using on Windows? In WSL 2, a VHD is represented on your Windows hard drive as a.vhdx file. Unfortunately, if you reclaim some space, i.e. However, now it is possible to run Linux under windows 10 via WSL2 which I think is more efficient than Virtual Box because you can use (almost) all your machine’s memory and hard drive. WSL was good but it was not perfect for a linux dev running Windows 10. (or is it?). SameSite Cookies Deep Dive / CSRF is dead (or is it? This work is licensed under a Creative Commons Attribution 4.0 International License. Reduce WSL2 disk size. In WSL2, the default disks are virtual. Open up the docker settings -> Resources -> Advanced and up the amount of Hard Drive space it can use under disk image size. Harder to set up to be performant. It’ll take a bit more time for the initial install and take up more disk space, but you’re guaranteed to have most of the tools you need for anything you’d like to do. Use diskpart to Shrink a WSL2 Virtual Disk. In other words, share generously but provide attribution. Cleaning Up Docker Disk Space In WSL2 Recommended Cleanup Commands. I found that you can go into Windows' Apps & Features and it will display disk usage for the WSL2 "Ubuntu", but this does not seem to include WSL Legacy or maybe it does since it seems to report more than I expect? You may be able to free up some space in Settings, System, Storage or using the Disk clean-up tool in Windows Administrative Tools. That said, I’d be worried to do anything like this in an automated process, in case it triggers when I’m using WSL and it corrupts/loses data. Deleting a directory in WSL to free up disk space? Therefore we need to use the old method of diskpart to reudce the size. I’ve instructions for using it for backups here: https://stephenreescarter.net/automatic-backups-for-wsl2/. Microsoft has recently added support for mapping physical disks to your WSL2 VM. One reason was it was not fully compatible with linux. Although WSL2 is intended as a command line tool for developers, a desktop environment can be run inside WSL2 and you can use an X Server for Windows such as Xming or VcXSrv to listen for X11 (graphical) programs in Linux. With WSL2 you can run Linux shell in any folder. Ensure Compress contents to save disk space and Encrypt contents to secure data are both deselected. Begin with du. Unchecking it, then rerunning the WSL 1 … You don't have to set up anything to be performant. The first place to start is to remove any stopped containers that aren’t running. ... the space occupied by the VHD is still the same. The Nuclear Option. The WSL 2 VHD uses the ext4 file system. In my case, it was quite significant: Please let me know if you have an alternate way to shrink a WSL2 virtual disk – especially if it’s safer than this approach. Did you find a way to do this on a schedule? Running graphical applications is also simple by using an XServer like MobaXTerm. A great way to dip your toes into WSL2 is using Hyper-V, the virtualization hypervisor built into Windows 10 Pro and Enterprise and a Windows Insider build ISO. WSL2 I had a 100GB repo that I no longer work on and I was running low on disk space so I tranfered it to a drive and remove it with rm -rf which did remove it from my home directory in wsl but even after restarting my machine, on the windows side of things I still have 1% disk space available. You are using 67Gb but it's taking 127gb because is not compacted. Can I limit how much disk space WSL can use? Due to it running inside a VM, the file access methods have changed, and the Distro installation/files is actually inside of a virtual hard drive and to access the full benefits and speeds of linux file systems, we need to copy our files inside the virtual hard drive. I found that you can go into Windows' Apps & Features and it will display disk usage for the WSL2 "Ubuntu", but this does not seem to include WSL Legacy or maybe it does since it seems to report more than I expect? I was running low on space my C: drive, so I wanted to move some of my WSL2 data to a dedicated Linux drive. Under Right Click -> Properties -> General -> Advanced, I spotted Compress contents to save disk space was ticked for some reason. By default, the Linux disk image will be installed on your C: drive. Kali’s current WSL distribution will work just fine, and you can convert your existing installation easily. The VHD used by WSL2 is created with max size of 256 GB (as described here: https://docs.microsoft.com/en-us/windows/wsl/wsl2-ux-changes#understanding-wsl-2-uses-a-vhd-and-what-to-do-if-you-reach-its-max-size) When the max size is reached, increasing the VHD size further requires a series of steps as described in the same document. I went looking for a way to shrink a WSL2 virtual disk, and after a few false starts, found a method which worked for me. Home version of windows 10 doesn't expose Hyper-V tooling kit. Before shrinking a WSL2 virtual disk, you need to ensure that WSL2 is not running. Point it to the base directory on the drive that’s having the problem. Recently Microsoft has released previews of the next version, WSL2, which now runs as a virtual Linux kernel but without the overheard of a full VM. Windows 10’s May 2019 Update finally offers an easy, safe, and officially supported way to access and work with your Linux files from within File Explorer and other applications. You can follow the question or vote as helpful, but you cannot reply to this thread. This will remove: - all stopped containers - all networks not used by at least one container - all dangling images - all dangling build cache Are you sure you want to continue? WSL2 is a recent addition but allows you to use the more tightly OS integrated approach to manage the virtual machines that power Docker behind the scenes. Your results may vary though. Welcome to my little corner of the internet. You don’t have to specifically allocate memory and disk space for a virtual machine. I discovered you can use the ‘diskpart‘ tool to compact a VHDX. Required fields are marked *. ), Think Like a Hacker and Secure WordPress, live on stage, My Year on the Front Line, Cleaning Infected Sites, https://stephenreescarter.net/automatic-backups-for-wsl2/, https://twitter.com/williamsbk/status/1268230307519528961, WSL2 Network Issues and Win 10 Fast Start-Up, Creative Commons Attribution 4.0 International License. We need a way to manually free up this space from Windows 10. I’m not familiar with optimize-vhd, but I just tried to run it and PowerShell can’t find the command. >:-) Having said all that, you can always do the following to strip WSL of stuff that you don't need: apt list --installed apt purge WhateverYouDontNeed sudo apt autoremove sudo apt autoclean ;-) Around 2 minutes. Unchecking it, then rerunning the WSL 1 -> 2 conversion worked as you’d hope. However, especially when you decide to have several Linux distribution in parallel you should care about the disk space usage. I also had to run `wsl –shutdown` after terminating the Ubuntu distro. If you need more space, you have to use Windows' DiskPart tool to resize the VHD manually. Can I limit how much disk space WSL can use? In your case you will need to use Diskpart compact vdisk pointing to the ext4.vhdx inside the Ubuntu folder. Identify the disk. I found that you can go into Windows' Apps & Features and it will display disk usage for the WSL2 "Ubuntu", but this does not seem to include WSL Legacy or maybe it does since it seems to report more than I expect? (You might want to limit RAM usage, though.) Thanks. I was running low on space my C: drive, so I wanted to move some of my WSL2 data to a dedicated Linux drive. Your email address will not be published. If you need Ubuntu, just wipe Windows because Windows takes up much more space on your hard drive than Ubuntu! Next Event: International PHP Conference Hybrid Online, 7-11 June 2021 Presenting: Think Like a Hacker (for Laravel) Hi, I’m Stephen Rees-Carter. WSL2: How to Fix "Virtual hard disk files must be uncompressed and unencrypted and must not be sparse" Aug 26, 2020 1 min read I recently migrated from WSL 1 to WSL 2, which is simply a new version of the WSL architecture that … Is it possible to install WSL2 on a separate logical disk? Ubuntu running with 5GB of Memory and 3 CPUs You can now use a custom Linux kernel One of the more interesting features that you can configure as … The light-weight utility VM and the Kernel is optimized for low overhead. Most of the space is occupied by docker volume as you can see from your output: 12G ./volumes. I’m a huge fan of Windows Subsystem for Linux (WSL), especially WSL2 which uses a virtualisation layer to bring increased performance and compatibility to WSL. It is optional and users can upgrade their exising WSL installations to WSL2. Larry Ewing. If you need more space, you have to use Windows' DiskPart tool to resize the VHD manually. It appeared to work for me without any data corruption, taking the file size down from 100GB to 15GB. These instructions worked for me, but you could have a different environment that may result in corrupted data. I discovered you can use the ‘ diskpart ‘ tool to compact a VHDX. WSL was good but it was not perfect for a linux dev running Windows 10. WSL2. If you don’t know this path, you can find by first locating the package directory for your WSL2 instance, which lives in: C:\Users\valorin\AppData\Local\Packages\. Now where this becomes important is in the sizing step. Windows 10 Pro/Enterprise Method. It depends how much empty space was being used by WSL2 as to how big a space reduction there will be. https://twitter.com/williamsbk/status/1268230307519528961. It may be a better alternative, but I’m guessing it comes as part of some optional extra package, so won’t always be available to users. It appeared to work for me without any data corruption, taking the file size down from 100GB to 15GB. If you need Ubuntu, just wipe Windows because Windows takes up much more space on your hard drive than Ubuntu! Hopefully it’ll help you out too! Your WSL2 disk is /dev/sdb. Look for the vendor name, such as WhitewaterFoundryLtd.Co for Pengwin, CanonicalGroupLimited for Ubuntu, or TheDebianProject for Debian. To list the available disks in Windows, run: wmic diskdrive list brief The disks paths are available under the 'DeviceID' columns. Docker Desktop for Windows v2, which uses WSL2, stores all image and container files in a separate virtual volume (vhdx). List and select the partitions to mount in WSL 2. Just the thing I needed. You can launch the diskpart tool in PowerShell: Once that has opened, you need to specify the path to your VHDX file. Docker volumes are used to persist data for docker container and to share data between containers, and they are independent of the container’s lifecycle. Backup and restore WSL2 vhdx, avoid 256GB vhdx limit for docker desktop WSL2 native. In WSL 2, a VHD is represented on your Windows hard drive as a.vhdx file. However, with all of these you can simply add more tools as you need them. In the upcoming Windows 10 feature update, a new version of WSL is coming and it is called WSL2. One reason was it was not fully compatible with linux. Your email address will not be published. Unlike previous methods, this is a safe way to work with Linux files! But this time I wanted a fix and not a compromise(deleting the drive altogether and setting up my environment again). However, with all of these you can simply add more tools as you need them. Click OK, … I’m a Senior Developer, Security Analyst, and International Speaker based in Brisbane, Australia. Windows does some magic in the … This was a great surprise for us, as it also means we don’t have to do anything on our end to support WSL2. Usually under the \\.\PHYSICALDRIVE* format. You can run the command sudo fstrim / inside the linux distro before shutting it down to improve the saving, Find the path of the VHD: To do this, enter the following in powershell. WSL2 I had a 100GB repo that I no longer work on and I was running low on disk space so I tranfered it to a drive and remove it with rm -rf which did remove it from my home directory in wsl but even after restarting my machine, on the windows side of things I still have 1% disk space available. Xfce4 is a lightweight desktop environment that developers have been able to get working with both WSL and WSL2. Review all steps to view the symptom this Gist addresses, customize a workaround to allow for >256GB Docker pulls safely on Windows, then perform a backup and recovery of the result (export and import). I haven’t needed to do it again since, but you could use the Windows Task Scheduler to do it. After you have the new Windows Insider build installed, converting Kali WSL 1 to 2 is very easy. This will remove: - all stopped containers - all networks not used by at least one container - all dangling images - all dangling build cache Are you sure you want to continue? So removing image/container will not free the disk space they occupied.
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