Of course there's problems with the disks -- corrupt sectors, phantom writes, misdirected reads, etc. The point is that ZFS handles those problems for us. I wo

Of course there's problems with the disks -- corrupt sectors, phantom writes, misdirected reads, etc. The point is that ZFS handles those problems for us. I won't discuss the nature of the business, but it's unlikely that actual corruption that isn't automatically repaired would go undetected for any amount of time.