Jukka Marin wrote:

>>Try something like "dd if=/dev/rst1 of=/dev/null bs=10240" and see if it 
>>streams.
>>That will make sure you're not limiting yourself by another device.
> 
> 
> It does not stream.  Reads some data, rewinds, reads more, rewinds.. sigh.

Have you tried the block device (/dev/st1) instead? Just a guess.

Regards

Felix