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this post was submitted on 26 Jul 2024
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Bcachefs, and bcachefs on root. Need something with filesystem level encryption instead of LUKS, and *ubuntu's and derivatives have all abandoned ZFS on root installs now.
Bcachefs has filesystem encryption without LUKS? Did this have an audit? I use BTRFS and it is fine, but boot is unencrypted (using TPM would be cool)
https://en.wikipedia.org/wiki/Bcachefs
I see it has an audit back in 2017, but I've yet to find anything newer. The finding was good, but suggested further audit be done.
I dont see the difference to BTRFS apart from encryption and maybe caching? I was always confused why people hype it so much.
Interesting, yes I wouldnt not use LUKS if the alternative is less known, not used by enterprise distros
The tiered storage stuff is pretty cool. You can say "I want this data on this disk, so if I get a cache miss from a faster disk/RAM it'll come from this other disk first."
I believe it also has some interesting ways of handling redundancy like erasure coding, and I thiiiink it does some kind of byte-level deduplication? I don't know if that's implemented or is even still planned, but I remember being quite excited for it. It was supposed to be dedupe without all of the hideous drawbacks that things like ZFS dedupe have.
EDIT: deduplication is absolutely not a thing yet. I don't know if it's still on the roadmap.
EDIT: Erasure coding is deffo implemented, however.
Bachefs is in the kernel now so trying it on a spare drive or partition is super trivial these days depending on distro. You only need a few minutes of time.
Getting it on root is a bit harder as almost no installers support it yet. The only distro I can think of is CachyOS.
It's far more ready than Wayland, get it into these distro's installers! Are you listening, distros?