I ran it for quite a while, 4 terabytes lost specifically due to btrfs, I will never trust it again. I've heard several admins flat out scoff at the idea of us

I ran it for quite a while, 4 terabytes lost specifically due to btrfs, I will never trust it again. I've heard several admins flat out scoff at the idea of using it. Make sure you have backups with a reliable fs.