Someone

root@1[raid]# growisofs -Z /dev/hdc=/dev/zero
Executing 'builtin_dd if=/dev/zero of=/dev/hdc obs=32k seek=0'
/dev/hdc: restarting DVD+RW format...
/dev/hdc: "Current Write Speed" is 4.1x1352KBps.
     884736/4700372992 ( 0.0%) @0.2x, remaining 354:06 RBU 100.0% UBU   7.1%
   15302656/4700372992 ( 0.3%) @3.1x, remaining 35:43 RBU 100.0% UBU  99.6%
   33292288/4700372992 ( 0.7%) @3.9x, remaining 23:21 RBU 100.0% UBU  99.6%
   51314688/4700372992 ( 1.1%) @3.9x, remaining 21:08 RBU 100.0% UBU  99.1%
   69337088/4700372992 ( 1.5%) @3.9x, remaining 18:55 RBU 100.0% UBU  99.6%
   78282752/4700372992 ( 1.7%) @1.9x, remaining 19:40 RBU 100.0% UBU  99.6%
:-[ WRITE@LBA=9550h failed with SK=3h/ASC=0Ch/ACQ=00h]: Input/output error
:-( write failed: Input/output error
/dev/hdc: flushing cache
/dev/hdc: stopping de-icing
/dev/hdc: writing lead-out
/dev/hdc: reloading tray
root@1[raid]#