On Wed, Sep 01, 2004 at 10:35:12AM +0200, Felix Deichmann wrote:
> 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.

I hadn't, but it didn't work, anyway:

# dd if=/dev/st1 of=/dev/null bs=10240
dd: /dev/st1: Input/output error

st1: 10240-byte tape record too big for 2048-byte user buffer

I guess the tape record size could be changed by rewriting the tape.. but
that would take several hours :-I

  -jm