[TriLUG] Vexing CD Burning Problem

Ed Hill ed at eh3.com
Fri Jun 21 15:02:31 EDT 2002


On Fri, 2002-06-21 at 12:22, Brian Daniels wrote:
> 
> You are burning the cd's correctly.  Not all cd drives can read CD-RW 
> disks.  Some very old cd-rom drives even have trouble with CD-R's.
> 
> They can all read the pressed discs that come from a manufacturer.  CD-R 
> and CD-RW use different methods to record data and different laser 
> frequencies.  


I've also had problems with CD-Rs and CD-RWs on older machines.  I've
found that the "silver" or "gold" colored CD-Rs tend to work better then
the "blue" ones.

Ed

ps - Are all of the machines running Linux or some other Unix?  If 
     you're trying to use the disk on a Windows box, you probably 
     want to use the Joliet extensions.  The following file is a 
     set of notes that I wrote for the students in our lab to help 
     them with burning CD-Rs on Linux:


-- 
Edward H. Hill III, PhD 
Post-Doctoral Researcher   |  Emails:      ed at eh3.com, ehill at mines.edu
Division of ESE            |  URL:         http://www.eh3.com
Colorado School of Mines   |  Phone:       303-273-3483
Golden, CO  80401          |  Fax:         303-273-3311
Key fingerprint = 5BDE 4DA1 66BE 4F7B BC17  3A0C 932B 7266 1E76 F123
-------------- next part --------------

  #======================================

  #  Make ISO9660 file system with Rock Ridge (Unix) and 
  #  Joliet (MS-long-filenames-crap) extensions and follow 
  #  any soft links:
  mkisofs -R -J -f -o  file.iso  /path/

  #  Same as above but instead preserve (don't follow) the 
  #  soft links:
  mkisofs -R -J -o  file.iso  /path/


  #  Mount the ISO image using the loopback device to test 
  #  that it did what you wanted (got all the right files):
  mkdir ./test
  mount -t iso9660 -o ro,loop   file.iso   ./test
  cd ./test
  ls
  cd ..
  umount ./test


  #  Burn the ISO image to the CDR:
  cdrecord -v -speed=4 -dev=0,0 -eject    cell_990920.iso
  cdrecord -v -speed=2 -dev=0,0 -eject    cell_990920.iso
  cdrecord -v -speed=8 -dev=0,0 -eject    cell_990920.iso

  #  Re-Burn a CD-RW:
  cdrecord -v -speed=2 -dev=0,0 -eject blank=fast  pub.iso

  #  Backup a directory larger than a single CDR
  tar -cvf - /path/to/dir/ | gzip | split -b650m - bkup.`date '+%Y%m%d'`.tgz.



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