On Tuesday April 08 2003 05:55 am, Toralf Lund wrote:
> A question a bit on the side:
>
> I've been looking for a new drive or autoloader, and I notice that some
> vendors now assume a hardware compression ratio of 2.6:1 in their
> advertising material. Which leads me to the question in the subject; has
> anyone ever compressed real data that much? Or even achieved a ratio of
> 2:1, which is also frequently assumed? (In conjunction with backups, that
> is.) The best I've done with Amanda is about 1.8:1, but that's for
> software compression, of course.

About the same here.  I once got 96G on an AIT2 tape.  On a scale of one to 
ten, tape manufacturers claims for compression rank right next to campaign 
promises.