The disk “Foo” is in use and could not be ejected.
Solution (because just ‘lsof’ doesn’t work):
sudo lsof +D /Volumes/Foo
More of a programming nerd than is strictly healthy. See also {nevyn.nu, thirdcog.eu, twitter}
Solution (because just ‘lsof’ doesn’t work):
sudo lsof +D /Volumes/Foo
