The main thing I found btrfs was good for was testing the restore process of my backups. I was using it in supposedly known-good configurations (RAID 1 or RAID

The main thing I found btrfs was good for was testing the restore process of my backups. I was using it in supposedly known-good configurations (RAID 1 or RAID 10) and it consistently destroyed data. The fact that it turned out that the scrub function spent years corrupting data by mistake was only one of the many flaws with it.