On 8 May 2007 at 17:40, Zane H. Healy wrote:
  Personally I'd rate it a bit different.
 DLT > 4mm DAT > QIC > 8mm
 I don't remember ever dealing with Travan, though I think I have a couple
 drives in the collection I've built at work. 
One of the problems with *most* QIC and Travan is that it's write-a-
tape, then verify-a-tape.  When you're dealing with "time is money"
or "we gotta get in, and get out as fast as possible", the need to do
a separate verify pass is a huge liability.  4mm/8mm/DLT are read-
after-write technologies.  In theory, you can have a pretty scruffy
tape with them and still get the backup on the first try.
Cheers,
Chuck