mkisofs -udf -volid  Project/`date +%y%m%d` -f -r -J -l -joliet-long -o CDimage dir

h87@makoto 18:17:53/150302(..pkgsrc/wip)% \
sudo cdrecord -v dev=31,0,0 speed=16 driveropts=burnfree -data /e/modena/CD-R/bootcd2/CDimage
cdrecord: No write mode specified.
cdrecord: Assuming -sao mode.
cdrecord: If your drive does not accept -sao, try -tao.
cdrecord: Future versions of cdrecord may have different drive dependent defaults.
Cdrecord-ProDVD-ProBD-Clone 3.01a24
   (amd64-unknown-netbsd7.99.1) Copyright (C) 1995-2014 Joerg Schilling
TOC Type: 1 = CD-ROM
scsidev: '31,0,0'
scsibus: 31 target: 0 lun: 0
Using libscg version 'schily-0.9'.
Driveropts: 'burnfree'
SCSI buffer size: 61440
atapi: 1
Device type    : Removable CD-ROM
Version        : 0
Response Format: 2
Capabilities   : 
Vendor_info    : 'HL-DT-ST'
Identifikation : 'DVDRAM GH24NSB0 '
Revision       : 'LN00'
Device seems to be: Generic mmc2 DVD-R/DVD-RW/DVD-RAM.
Current: CD-R
Profile: DVD-R/DL sequential recording 
Profile: DVD-R/DL layer jump recording 
Profile: DVD+R/DL 
Profile: DVD+R 
Profile: DVD+RW 
Profile: DVD-RW sequential recording 
Profile: DVD-RW restricted overwrite 
Profile: DVD-RAM 
Profile: DVD-R sequential recording 
Profile: DVD-ROM 
Profile: CD-RW 
Profile: CD-R (current)
Profile: CD-ROM 
Profile: Removable Disk 
Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
Driver flags   : MMC-3 SWABAUDIO BURNFREE 
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Drive buf size : 362208 = 353 KB
cdrecord: Warning: Cannot read drive buffer.
cdrecord: Warning: The DMA speed test has been skipped.
FIFO size      : 4194304 = 4096 KB
Track 01: data   321 MB        
Total size:      369 MB (36:36.22) = 164717 sectors
Lout start:      369 MB (36:38/17) = 164717 sectors
Current Secsize: 2048
ATIP info from disk:
  Indicated writing power: 5
Disk Is not unrestricted
Disk Is not erasable
  Disk sub type: Medium Type A, high Beta category (A+) (3)
  ATIP start of lead in:  -11634 (97:26/66)
  ATIP start of lead out: 359846 (79:59/71)
Disk type:    Short strategy type (Phthalocyanine or similar)
Manuf. index: 3
Manufacturer: CMC Magnetics Corporation

    Capacity  Blklen/Sparesz.  Format-type  Type
      445350             2048         0x00  No Media Present or Unknown Capacity
Blocks total: 359846 Blocks current: 359846 Blocks remaining: 195129
Starting to write CD/DVD/BD at speed 16 in real SAO mode for single session.
Last chance to quit, starting real write    0 seconds. Operation starts.
Waiting for reader process to fill input buffer ... input buffer ready.
BURN-Free is ON.
Performing OPC...
Sending CUE sheet...
cdrecord: WARNING: Drive returns wrong startsec (0) using -150
Writing pregap for track 1 at -150
Starting new track at sector: 0
Track 01:  221 of  321 MB written (fifo  98%) [buf 100%]  16.5x.
Track 01: Total bytes read/written: 337340416/337340416 (164717 sectors).
Writing  time:  153.889s (00:02:33.889)
Average write speed  15.1x.
Min drive buffer fill was 99%
Fixating...
Fixating time:    7.019s (00:00:07.019)
BURN-Free was 3 times used.
cdrecord: fifo had 5491 puts and 5491 gets.
cdrecord: fifo was 0 times empty and 4456 times full, min fill was 97%.