this post was submitted on 18 Jul 2024
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Fedora people would say that BTRFS is better because it allows maintenance that EXT4 doesnt even have :)
I really like the idea of BTRFS and what it can do. For my recent system, build in end of 2023 (not a year ago) I really thought about and compared the systems, but end up using EXT4. Here some thoughts I had:
I want to use BTRFS as my main system FS, but I wasn't sure which alternative FS to use (there are other contenders too), if I need the extra functionality, if its 100% stable for me on a non Fedora system and I also did not want to spent the time learning and experimenting with it, yet. But I will. And if other distributions I install or boot into would work well with BTRFS, if they are not on the newest Kernel yet.
I'm not quite sure why people are still worried about the stability of btrfs when it has been rock solid for years. Synology has been using it for quite a while now in their NAS systems, they surely wouldn't if it'd mean a lot of customers were at risk of losing their data.
There are valid reasons not to be using btrfs (although I'd argue most ordinary use cases don't have a valid reason), but stability certainly isn't one of them, independent of the distribution used (unless it's ancient).
Wait til your table with all the checksums gets messed up on an “older” btrfs install. Happened to me on a VM because I didn’t know copy-on-write should be disabled for large frequently partially updated files. It also slowed that VMs IO down a lot.
Like most file systems, BTRFS is great if you know the edge cases. I recently moved to ZFS on my new work system, which has been a great change in terms of in-line snapshots and the like.
If EXT4 meets your needs, that’s awesome. If you understand how to use a different FS well or are willing to learn (and risk), I would also encourage other options as well.