Egregoros

@lain @pernia @sun @meeper if you use btrfs on a hard drive be prepared for
BRRR SEEKING NOISES BRRR FRAGMENTATION

@cell @pernia @sun @meeper remember when they 'found out' that raid didn't actually work, which had been designated as 'ready to use' for like a decade, and they were just "um yeah don't use it after all, rest is good though"