> Thanks for all your input. It turns out that we are not doing
> compresion.
> The "tapetype" entry is either misnamed or compression was turned off
> at some point in the process. None of the "dumptype" entries that are
> in use now enable compression.

You are confusing two different compressions :-)

The compression as mentioned in the tapetype says that your drive is 
set to do hardware compression, whereas compression in dumptypes is 
used to turn on software compression.
--
Toomas Aas | toomas.aas AT raad.tartu DOT ee | http://www.raad.tartu.ee/~toomas/
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