user@hlyarurk:~/tmp/mylivecd1$ growisofs -Z /dev/hdc=/home/user/tmp/mylivecd1/
c.img              mkiso              ubuntu-livecd/     ubuntu-new.iso
.disk/             ubuntu-bak.iso     ubuntu-livecd-123/ 
user@hlyarurk:~/tmp/mylivecd1$ growisofs -Z /dev/hdc=/home/user/tmp/mylivecd1/ubuntu-new.iso 
WARNING: /dev/hdc already carries isofs!
About to execute 'builtin_dd if=/home/user/tmp/mylivecd1/ubuntu-new.iso of=/dev/hdc obs=32k seek=0'
/dev/hdc: "Current Write Speed" is 8.2x1385KBps.
:-[ WRITE@LBA=0h failed with SK=5h/ASC=27h/ACQ=00h]: Input/output error
:-( write failed: Input/output error
user@hlyarurk:~/tmp/mylivecd1$