I use a Goflex 2Tb external drive for daily backup. Unlike it's eSATA predecessors it doesn't have a power switch and Win 7 doesn't cut USB power upon safe removal.
There is no point in it being on all day, but to cut the power properly I have to unplug it from the back of the PC and that's a...
backup
data security
device manager
disk management
drive management
esata
external drive
goflex
hard drive
hardware id
nas
power management
power options
revisionid
safe removal
storage devices
usb power
vendor id
windows 7