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?
If the devs say “unstable”, it’s probably unstable.
There are some folks over on aliensite that have been using RAID-5 and -6 for a while. Personally I’ve never tried it, because my use case needs the data redundancy more than the disk space.
As far as I know, as long as you’re not worried about either your data or a sudden power failure, they’re pretty solid. It’s a sudden system outage that is the danger.
Given how flexible RAID1 in btrfs is, I don’t really see any benefit in using RAID5/6.
I use it on my laptop and haven’t had any issues
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