# growisofs -speed=1 -Z /dev/hdc=o-evosno.iso 
Executing 'builtin_dd if=o-evosno.iso of=/dev/hdc obs=32k seek=0'
/dev/hdc: "Current Write Speed" is 2.5x1352KBps.
          0/33955840 ( 0.0%) @0x, remaining ??:?? RBU 100.0% UBU   0.0%
          0/33955840 ( 0.0%) @0x, remaining ??:?? RBU 100.0% UBU   0.0%
    1114112/33955840 ( 3.3%) @0.2x, remaining 6:23 RBU 100.0% UBU   2.9%
   10649600/33955840 (31.4%) @2.1x, remaining 0:35 RBU 100.0% UBU 100.0%
   21757952/33955840 (64.1%) @2.4x, remaining 0:11 RBU 100.0% UBU 100.0%
   32866304/33955840 (96.8%) @2.4x, remaining 0:00 RBU 100.0% UBU 100.0%
builtin_dd: 16592*2KB out @ average 1.1x1352KBps
/dev/hdc: flushing cache
/dev/hdc: closing track
/dev/hdc: closing session