Hi Paul ... while I can't speak for Godfrey, here are a couple of thoughts: the computer doesn't have sufficient USB/Firewire connections to keep them both plugged in; by removing one it's not susceptible to the electronic and mechanical glitches that can fry a drive; unplugged means it's not spinning, reducing mechanical wear; unplugged means the drive can be stored off premises ....
Shel > From: Paul Stenquist > Why would you unplug one drive and plug in the other? > Why not leave them both plugged in? > On Jul 31, 2005, at 1:01 AM, Godfrey DiGiorgi wrote: > > > The most cost-efficient and reliable backup storage at present is a > > pair external FireWire/USB 2.0 drives. Buy two, set them up > > identically. When you plug in one to save stuff to it, after > > disconnecting it plug in the other and do the same thing. That way you > > always have two copies of every file.

