I've determined my drive can label tapes but can't read old
tapes.  I get the Input/Output error whenever trying to read a
previously labeled tape or dd out anything.  However, if I re-label
the tape it works again.  Does this indicate a failing drive?  Any
other ideas?

Thanks,
  Steve
-- 
Steven J. Backus                        Computer Specialist
University of Utah                      E-Mail:  steven.backus AT utah DOT edu
Genetic Epidemiology                    Alternate:  backus AT math.utah DOT edu
391 Chipeta Way -- Suite D              Office:  801.587.9308
Salt Lake City, UT 84108-1266           http://www.math.utah.edu/~backus