A couple of times I've tried to cancel recordings that are in progress, only to have the TV Drive continue recording for 10+ hours. This happened again last night. I've rebooted (power off/on) but the ghost recording is not listed. I've got about 30 hours of recorded programs, but only have 18 hours remaining - so something is occupying about 30 hours worth of space. Any ideas on how to recover this space, other than a format of the drive?