cdrecord -v dev=/dev/rcd0c -blank=fast
Cdrecord-Clone 2.01 (--) Copyright (C) 1995-2004 Jörg Schilling
TOC Type: 1 = CD-ROM
scsidev: '/dev/rcd0c'
devname: '/dev/rcd0c'
scsibus: -2 target: -2 lun: -2
cdrecord: Operation not permitted. Cannot open '/dev/rcd0c'. Cannot open SCSI driver.
cdrecord: For possible targets try 'cdrecord -scanbus'.
cdrecord: For possible transport specifiers try 'cdrecord dev=help'.