this post was submitted on 02 Jul 2023
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I agree cow + snapshot is pretty useful. I would just never use btrfs for data I care about. There is a reason no one sane runs it in production. Your computer and data do what you want ๐๐๐.
It's being used in Meta ๐คจ... in production.
Cool I had no idea. I like zstd from them. I don't really want to argue if it works for you that's great. I've seen so many problems with corruption that I wouldn't recommend it. I guess I'll give it another try in a VM some day. I really tried to move to it before migrating back to zfs land. I do recall the send and receive working pretty flawlessly. Also was a huge fan of duperemove.
Do you know if it has support for something like zvols yet?
Yes, it did have problems a few years ago, especially regarding RAIDs, but it's improved a lot since then. RAID5 still sucks though ๐... but I read the problem is finally been worked on (haven't checked code, I read about it in a sub on reddit).
No, it doesn't have something like zvol, it has the regular subvolumes (pools in ZFS) and you can assign quotas, the same as in ZFS. But, to represent itself as separate block device, no. And I don't think this is something that's planned, though I could be wrong (as I said, I haven't looked at their git in ages).