618: Type System Says No

8109.283 - 8129.037 John Siracusa

Yeah, but the thing that scans has to read all the bits to find out if they're still right. That's a tremendously heavyweight opportunity. The thing that ZFS did was you had optionally... Optionally, you could store data redundantly. Right. And so when the thing was scanning in the background, just crawling your entire disk from painting the Golden Gate Bridge from start to finish.