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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[–] catloaf@lemm.ee 2 points 1 day ago (9 children)

Meh. I run proxmox and other boot drives on ext4, data drives on xfs. I don't have any need for additional features in btrfs. Shrinking would be nice, so maybe someday I'll use ext4 for data too.

I started with zfs instead of RAID, but I found I spent way too much time trying to manage RAM and tuning it, whereas I could just configure RAID 10 once and be done with it. The performance differences are insignificant, since most of the work it does happens in the background.

You can benchmark them if you care about performance. You can find plenty of discussion by googling "ext vs xfs vs btrfs" or whichever ones you're considering. They haven't changed that much in the past few years.

[–] possiblylinux127@lemmy.zip 1 points 23 hours ago* (last edited 12 hours ago) (4 children)

Proxmox only supports btrfs or ZFS for raid

Or at least that's what I thought

[–] MangoPenguin@lemmy.blahaj.zone 1 points 12 hours ago (1 children)
[–] possiblylinux127@lemmy.zip 0 points 12 hours ago (1 children)
[–] MangoPenguin@lemmy.blahaj.zone 1 points 5 hours ago (1 children)
[–] possiblylinux127@lemmy.zip 1 points 3 hours ago

Not on Proxmox

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