this post was submitted on 23 Apr 2025
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Linux Gaming

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Disk write error due to read-only filesystem (lemmy.world)
submitted 3 days ago* (last edited 3 days ago) by [email protected] to c/[email protected]
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Disclaimer: I am very new to Linux (1 week).

I have installed the Valve version of Steam on LMDE6. I have used Disks to automatically mount the NTFS drive I used with Windows (doesn't hold bootloader, it is just for Steam library storage) at boot ( /media/[username]/Gaming ) and I made it the default library folder in Steam.

Running games works perfectly (actually, performance is surprisingly good), but I cannot install them due to a "disk write error".

I looked for solutions and found this page, from which I understand that I need to change permissions to the mounting point, but when I do, using chown -R, I get a "Read-only filesystem" error for all files and folders.

I can see no options to fix this in Disks and I tried to edit fstab once, but it messed things up so badly I had to use the USB drive with the portable installer to fix things.

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[–] [email protected] 4 points 3 days ago* (last edited 3 days ago) (4 children)

NTFS support on Linux has never been good, iirc it still mounts NTFS as read-only by default. You can remount it as R/W, but it isn't exactly recommended

If you absolutely want to share the steam library between windows and Linux, id recommend either a second disk formatted as exFAT or a new storage partition on the same disk formatted as exFAT

The key here is exFAT, one of the best options for cross-OS compatibility

Edit: @[email protected] I just saw your reply to someone else in the thread that your steam library is on a separate drive already

So that's perfect! Just move everything off it temporarily and format it with exFAT filesystem and you should be fine

[–] [email protected] 1 points 3 days ago (1 children)

Thanks, I'll try the formatting thing asap.

Does it save me from the risk of filenames including colons etc that others were talking about?

[–] [email protected] 2 points 3 days ago

Yea the filename issue should be fine, there's a risk of corruption with exFAT though as @[email protected] mentioned, but if you're just storing steam games or other easily replaceable data, I wouldn't worry about it to much IMO

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