It used to be "usable for most purposes" at some point already, before those scary data corruption bugs were discovered. https://btrfs.wiki.kernel.org/index.ph

It used to be "usable for most purposes" at some point already, before those scary data corruption bugs were discovered. https://btrfs.wiki.kernel.org/index.php?title=RAID56&diff=30445&oldid=29769 https://btrfs.wiki.kernel.org/index.php?title=RAID56&diff=30...