0
votes
0answers
65 views

Extremely slow CD-ROM burning

When I try to burn a CD-ROM using K3B, the burner slows down from 10x to 0.12x after writing exactly 71MB. Consequently, burning a 142MB live CD takes more than a hour. Why is this happening? The ...
3
votes
1answer
79 views

Burned binary files don't match original files

Kernel = 2.6.23.1-42 genisoimage 1.1.6 (Linux) Wodim 1.1.10 Create iso image: genisoimage -V "Data_Layer_1" -v -J -r -o cdl_data_1.iso cdl_1/ Test integrity of iso image: mount -t iso9660 -o loop ...
1
vote
4answers
196 views

strange problems on cd-rom writers

I have a really strange problems with my last 5 burners. They look all broken. They can read the files on CDs but when I burn a cd it seem that the burning was gone well, but when I try to md5 the ...
1
vote
1answer
399 views

what determines overburn capability of CD-R?

I had a 733MiB ISO image which I tried to write to a CD-R. I had two CD-R disks from different manufacturers. With first CD-R disk(TDK) the burning process failed, but using the second CD-R(EMTEC), it ...
4
votes
1answer
1k views

understanding “-dao”, “-sao”, “-tao” and “-raw” writing modes for wodim in practice

In wodim one can choose between many different writing modes like Disk At Once("-dao"), Session At Once("-sao"), Track At Once("-tao") or Raw writing mode("-raw"). As I understand, Track At Once ...
6
votes
4answers
2k views

How to verify a CD against an ISO image?

I've got a physical burnt CD and the original ISO image of it. No reference checksum files were provided for the CD contents. How do I check the actual CD is correct (corresponds to the original ...
1
vote
0answers
239 views

Create multisession ISO image to burn on a remote CD

I need to be able to take a number of files on one machine and generate a .iso image to burn to a multisession CD-R that has already had a session written to it. I can easily create an image for the ...
5
votes
1answer
6k views

How to create UDF images and burn them to DVD or CDROM?

Writing CDs with cdrecord and making images with genisoimage is no problem. I want to write DVDs in a similar manner, first creating an image, then burning it to disk. This is quite beneficial, since ...
5
votes
3answers
215 views

How to check why the cdrom cannot be open exclusively

Sometimes when I try to burn an ISO image, the message that "/dev/sr0" cannot be open exclusively appears. lsof does not shows any program that opens "/dev/sr0" (I checked for aliases too).