On Tue, Apr 03, 2001 at 05:06:57PM +0200, wojtek@wojtek.from.pl wrote:
> > > 
> > > mt compress 1
> > 
> > Does it matter if the data has been gzipped already?
> 
> so do mt compress 0. my drive for example is good in making negative
> compression ratios (up to -12%) when compressing compressed data

Trying that now.  With "compress 1" and "dd bs=32k", I got

dd: /dev/rst1: Input/output error
0+827762 records in
0+827761 records out
3390502912 bytes transferred in 8035 secs (421966 bytes/sec)
Connection to tmp closed by remote host.
191.787u 91.553s 2:15:34.08 3.4%        0+0k 10+65io 117pf+0w

3.3 GB on a 4 GB tape.. sigh.  I guess I'll have to move back to Amanda or
something.

  -jm