"It's another in the now-half-dozen things that have broken in
the transition from Jaunty to Karmic. All were fairly easy to fix,
but my idea of a successful upgrade isn't having to devote time to
restoring basic functionality after an upgrade.
"So where is the "wisdom" in this Karmic fail?
"Well, now that each drive is being automounted and
automatically given a unique name that happens to be the same as
its UUID, that means I can further automate the backup process
without much additional coding."