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tell me your experience using zfs/btrfs (programming.dev)
submitted 2 years ago by to c/linux@lemmy.ml
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cross-posted from: https://programming.dev/post/9319044

Hey,

I am planning to implement authenticated boot inspired from Pid Eins' blog. I'll be using pam mount for /home/user. I need to check integrity of all partitions.

I have been using luks+ext4 till now. I am hesistant hesitant to switch to zfs/btrfs, afraid I might fuck up. A while back I accidently purged '/' trying out timeshift which was my fault.

Should I use zfs/btrfs for /home/user? As for root, I'm considering luks+(zfs/btrfs) to be restorable to blank state.

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[–] 3 points 2 years ago (2 children)

My only complaint with btrfs when I used to run it, is that kvm disk performance was abysmal on it. Otherwise I had no issues with the fs.

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  • [–] 2 points 2 years ago (1 child)

    Most of the tools now should be setting nocow for virtual drives, performance these days isn't bad.

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  • [–] 2 points 2 years ago (1 child)

    nodatacow is a hack and will disable any and all consistency mechanisms for that file's contents. Tools should not be setting nodatacow for virtual drives, certainly not by default.

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