this post was submitted on 23 Nov 2024
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About a year ago I switched to ZFS for Proxmox so that I wouldn't be running technology preview.

Btrfs gave me no issues for years and I even replaced a dying disk with no issues. I use raid 1 for my Proxmox machines. Anyway I moved to ZFS and it has been a less that ideal experience. The separate kernel modules mean that I can't downgrade the kernel plus the performance on my hardware is abysmal. I get only like 50-100mb/s vs the several hundred I would get with btrfs.

Any reason I shouldn't go back to btrfs? There seems to be a community fear of btrfs eating data or having unexplainable errors. That is sad to hear as btrfs has had lots of time to mature in the last 8 years. I would never have considered it 5-6 years ago but now it seems like a solid choice.

Anyone else pondering or using btrfs? It seems like a solid choice.

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[–] Lem453@lemmy.ca 1 points 4 days ago (2 children)

Btrfs only has issues with raid 5. Works well for raid 1 and 0. No reason to change if it works for you

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[–] horse_battery_staple@lemmy.world 1 points 4 days ago (1 children)

Do you rely on snapshotting and journaling? If so backup your snapshots.

[–] possiblylinux127@lemmy.zip -1 points 3 days ago (1 children)

Why?

I already take backups but I'm curious if you have had any serious issues

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[–] bruhduh@lemmy.world 0 points 3 days ago (1 children)

Raid 5/6, only bcachefs will solve it

[–] possiblylinux127@lemmy.zip 0 points 3 days ago (5 children)

Btrfs Raid 5 and raid 6 are unstable and dangerous

Bcachefs is cool but it is way to new and isn't even part of the kernel as of yet.

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