How long does it usually take mfs it has been 20 hours now it's been on partition 7. This is with the source and destination on 2.0 USB external drives. There are no programs recorded on it just full guide and what ever Tivo puts on at 3 in the morning, I had it hooked up for a month to make sure modem and everything else was ok before putting large drive in is a S3 652. Should I give up do a clear and delete and try again? How long would it take after C/D?