> I'm trying to write to a DAT drive over 100 Mbps Ethernet using ssh..
> something like this:
> 
> tar -c -v -f - -T /var/run/tapefilelist |
>   ssh -c blowfish sysfoo buffer -m 4m -p 25 -B -o /dev/rst1 -t
> 
> This works, but is very slow and I can only fit about 3.2 GB on a 4 GB tape.
> CPU load on both machines is less than 5% and net usage is about 500 K/s.

ssh uses lots of cpu for scrambling