this post was submitted on 06 May 2024
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Linux Gaming

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BTRFS for Linux gaming? (lemy.lol)
submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/[email protected]
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I'm using EndeavourOS with ext4 file system for daily usage and a dual bootable Windows for gaming. What I want to have right now is getting rid of Windows completely.

When I tried it before, I had to try multiple tweaks for a game and find which one worked on Linux. Therefore, I want to take a snapshot with BTRFS and try it until I find the right configuration.

While I have quite a bit of experience with Linux, I've never used BTRFS. Do you think it's worth it?

I thought about keeping the games on the ext4 system, but I hate splitting the disk. I'm thinking of keeping the games in a non-snapshot volume.

UPDATE: I just re-installed EndeavourOS with BTRFS + snapper + BTRFS Assistant :)

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[–] [email protected] 1 points 4 months ago (1 children)

So I set up my system with btrfs in the last days and I converted two external drives (from ext4) (mainly game) and run defrag and balance, because it was mentioned in a guide to compress the existing files. Was that a bad idea? Didn't read anything about duplicates.

[–] [email protected] 1 points 4 months ago* (last edited 4 months ago)

It is fine. You can use the duperemove tool (or bees) to find and remove duplicates.

https://btrfs.readthedocs.io/en/latest/Deduplication.html

So it is out-of-band deduplication and has to be done manually.

Also, by default cp and most file managers use a reflink copy (data blocks are copied only when modified)