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Fedora 42 installer defaults to btrfs? What's everyone's opinion or experience on that? (slrpnk.net)

submitted 2 days ago by AnimalsDream@slrpnk.net to c/linux@programming.dev

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Not a tech support question, I'm just curious. I recently installed it. Everything is working great, feels like I got a whole new laptop compared to my previous setup. I haven't tried out any of btrfs's unique features, so I dunno, nothing special I can report about it. Coming from Debian I was just surprized by how different Fedoras installer defaults are. Do you agree with btrfs being a default option?

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[–] qweertz@programming.dev 18 points 2 days ago* (last edited 1 day ago) (1 children)

On Fedora, Btrfs has been the default for years now iirc. It's modern and rock solid too (as long as you avoid Raid 5/6) and has some features I can't live without nowadays:

Copy-on-write (prevents file duplication)
Snapshots (your systems broke? most easy rollback you will ever experience is with Btrfs in combination with Timeshift)
on-the-fly compression (I'd recommend "--compression-force=zstd:3" as a mount option. Last I checked Fedora defaulted to using the lowest compression level, which is not the Btrfs default, making you lose some gains. FYI about the "force": btrfs by default checks whether a file is compressible or not, this is redundant with zstd, which does the same thing but quite a bit faster AFAIK)

[–] possiblylinux127@lemmy.zip 10 points 2 days ago

CoW also prevents corrupt files in the case of power loss