On Mon, 10 Nov 1997 21:01:29 EST Tim Ferrell ([EMAIL PROTECTED]) 
wrote:

> Is there a formula for determining what percentage of tape I have left after a
> backup? I use 'mt tell' to get the current block on tape - how do I know
> how many blocks are on the tape? I am using a 4-8GB DAT drive with
> 90m and 120m tapes. I just need some kind of idea of how much tape is
> left...

Write a tape to the end, and see what mt tell returns :-)
Actually that's what I did (on a DDS-1 drive with a 90m tape -> 2GB).
It's around 200000. I infer from this blocka are 10k and that a 120m tape would 
give around 400000.

Phil.



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