I’ve always wondered, given the warnings in documentation, if there are any people brave enough to try Btrfs in a RAID5/6 configuration. Has anyone here actually tried it with “real” data?
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it’s still unstable and shouldn’t be used for anything except testing
Some people in the comments of this claims to use it with real data https://www.phoronix.com/news/Linux-6.2-Btrfs-EXT4
If you use it don’t forget to use RAID1 for metadata
Yes.
I’d like to hear more. Are you still using it? What’s kind of data do/did you store on it?
Yes, as in, there were people using Btrfs RAID 5/6. It didn’t end well. Not that I’ve used it - I very much prefer having my data safe.
The warnings in the docs are there for a reason - those modes of Btrfs simply aren’t finished and thus aren’t fit to be used.
You can test this yourself easily in a VM, this will let you see how things fail for Btrfs 5/6 when one of the disks “fails”.
