howto create iso from cdrom?

Guybrush · 06-05-2003, 01:27 PM

how can i create an iso image from a cdrom?
i have tried:
mkisofs -r -o image.iso /Volumes/Test

that creates a correct iso but not an exact one on one copy..

if have also tried: dd if=/dev/disk1 of=image.iso
but that doesnt even create a valid iso and gives an error on the end.

nosaj56 · 06-05-2003, 02:29 PM

Do you have to use the Terminal? Iso's can be made with DiskCopy. Just drag the cd onto DiskCopy and image it as a DVD/CD Master. This will produce a .cdr.dmg file. Rename the .cdr.dmg to .iso .

Guybrush · 06-05-2003, 05:40 PM

renaming the .dmg to .iso wont work, i want the iso (iso 9660 format) to be readeable under windows.

it doesnt have to be in terminal tho, thought it might be easier todo..

Guybrush · 06-05-2003, 06:08 PM

if i choose file->new image from device and select the cdrom it works, but works on Data CD's only tho

but doesnt seem to work on audio cd's

nosaj56 · 06-05-2003, 06:11 PM

Try

Code:

mkisofs -J -r -o name_of_my_image.iso data_dir(where my files are)

So, it looks like you just need to add a "-J".

P.S.: This syntax is from this hint.

Guybrush · 06-05-2003, 06:29 PM

that works yes, but it will only make a image of the files it sees in finder or ls, it will not be an exact 1 on 1 copy.

I want to backup an audio cd, and i used that command but it created an iso file with only the AIFF files while there's also a player.exe on the cd.

Also when i mount the iso in windows it will not autoplay because its not a 1 on 1 copy.

nosaj56 · 06-05-2003, 06:37 PM

I found this:

1. Using Disk Copy, make a disk image file of the original CD.
(Disk Copy will see invisible files and include them in the image.)
You end up with a .dmg file.

But if you try to burn the .dmg file it still won't come out correct because the
.dmg file will be treated the same by Toast as a CD would and the invisible
files won't be burned correctly. A big waste of CDs and time.

And you can't burn a .dmg file using DiskCopy for the same reason!

There is an additional step that needs to be taken before
this kind of CD can be burned by Toast correctly.

2. You must convert the .dmg image file to a .cdr image file
using DiskCopy.

Here is how you do that:

A. Open disk copy.
B. Select "Convert Image" from the file menu.
C. Using the open dialogue box, navigate to the .dmg file and select it. You get a save dialogue box.
D. In the save dialogue box. name the new file.
E. At the bottom of the save dialogue box, select DVD/CD master on the Image Format popup menu.
F. Save the new image.

DiskCopy pain in the butt warning.

What you get when you convert a .dmg image is a file with two file designations in a row.

A file that has both .dmg.cdr at the end of the name.

Example: MYFILE.dmg

becomes MYFILE.dmg.cdr

After being converted.

It's a good file, but if you try to burn it you will get an error every time
and waste CDs. You need to change the file designation to one that will
work to burn the CD. To do that simply go to the file select the name and
delete the .dmg from the name.

You end up with: MY FILE.cdr

It's that simple. You can now use Toast to burn a useable CD.

Now, try renaming your .cdr to .iso. (?)

bluehz · 06-06-2003, 10:36 AM

I have often wondered what would be a similar item to the .dmg for file distribution - say if I wanted to send a disk image to a pc friend. Would this technique work for that. Send an .iso to friend on PC and have it act similar to .dmg on Mac?

magicbob · 09-14-2004, 07:09 PM

the only diskcopy i found is a classic application. is there a os x version? where is it?

yellow · 09-14-2004, 07:28 PM

Disk Copy was only in Jaguar and before.. in Panther it was folded into Disk Utility.

tji · 12-08-2004, 08:25 PM

Quote:

Originally Posted by Guybrush


	how can i create an iso image from a cdrom? if have also tried: dd if=/dev/disk1 of=image.iso but that doesnt even create a valid iso and gives an error on the end.

sorry to resurrect a very old thread.. But, I'm wondering the same thing.

On linux systems, I can do a "dd if=/dev/hdc of=image.iso", and get an iso image of the cd.

I tried to do it similarly in MacOS X, but the image appeared to be corrupt and wouldn't mount. I tried both if=/dev/disk1 and if=/dev/rdisk1, with no luck.

Is there some way to do this in OS X?

trevor · 12-08-2004, 09:30 PM

Directions

Trevor

tji · 12-13-2004, 03:12 PM

Quote:

Originally Posted by trevor


	Directions Trevor

Thanks for the pointer. I think my problem before was that I forgot to unmount the cdrom... dumb.

06-05-2003, 01:27 PM	#1
Guybrush Triple-A Player Join Date: May 2003 Location: homeless Posts: 111	howto create iso from cdrom? how can i create an iso image from a cdrom? i have tried: mkisofs -r -o image.iso /Volumes/Test that creates a correct iso but not an exact one on one copy.. if have also tried: dd if=/dev/disk1 of=image.iso but that doesnt even create a valid iso and gives an error on the end.

06-05-2003, 06:11 PM	#5
nosaj56 Triple-A Player Join Date: Jul 2002 Location: Louisiana Posts: 208	Try Code: mkisofs -J -r -o name_of_my_image.iso data_dir(where my files are) So, it looks like you just need to add a "-J". P.S.: This syntax is from this hint.

09-14-2004, 07:09 PM	#9
magicbob Prospect Join Date: Mar 2004 Posts: 7	where is diskcopy? the only diskcopy i found is a classic application. is there a os x version? where is it?

12-08-2004, 09:30 PM	#12
trevor Moderator Join Date: Jun 2003 Location: Boulder, CO USA Posts: 19,854	Directions Trevor __________________ How to ask questions the smart way \| Pssst. Wanna play some FuMafia?

06-05-2003, 02:29 PM	#2
nosaj56 Triple-A Player Join Date: Jul 2002 Location: Louisiana Posts: 208	Do you have to use the Terminal? Iso's can be made with DiskCopy. Just drag the cd onto DiskCopy and image it as a DVD/CD Master. This will produce a .cdr.dmg file. Rename the .cdr.dmg to .iso .

06-05-2003, 05:40 PM	#3
Guybrush Triple-A Player Join Date: May 2003 Location: homeless Posts: 111	renaming the .dmg to .iso wont work, i want the iso (iso 9660 format) to be readeable under windows. it doesnt have to be in terminal tho, thought it might be easier todo..

06-05-2003, 06:08 PM	#4
Guybrush Triple-A Player Join Date: May 2003 Location: homeless Posts: 111	if i choose file->new image from device and select the cdrom it works, but works on Data CD's only tho but doesnt seem to work on audio cd's

06-05-2003, 06:29 PM	#6
Guybrush Triple-A Player Join Date: May 2003 Location: homeless Posts: 111	that works yes, but it will only make a image of the files it sees in finder or ls, it will not be an exact 1 on 1 copy. I want to backup an audio cd, and i used that command but it created an iso file with only the AIFF files while there's also a player.exe on the cd. Also when i mount the iso in windows it will not autoplay because its not a 1 on 1 copy.

06-05-2003, 06:37 PM	#7
nosaj56 Triple-A Player Join Date: Jul 2002 Location: Louisiana Posts: 208	I found this: 1. Using Disk Copy, make a disk image file of the original CD. (Disk Copy will see invisible files and include them in the image.) You end up with a .dmg file. But if you try to burn the .dmg file it still won't come out correct because the .dmg file will be treated the same by Toast as a CD would and the invisible files won't be burned correctly. A big waste of CDs and time. And you can't burn a .dmg file using DiskCopy for the same reason! There is an additional step that needs to be taken before this kind of CD can be burned by Toast correctly. 2. You must convert the .dmg image file to a .cdr image file using DiskCopy. Here is how you do that: A. Open disk copy. B. Select "Convert Image" from the file menu. C. Using the open dialogue box, navigate to the .dmg file and select it. You get a save dialogue box. D. In the save dialogue box. name the new file. E. At the bottom of the save dialogue box, select DVD/CD master on the Image Format popup menu. F. Save the new image. DiskCopy pain in the butt warning. What you get when you convert a .dmg image is a file with two file designations in a row. A file that has both .dmg.cdr at the end of the name. Example: MYFILE.dmg becomes MYFILE.dmg.cdr After being converted. It's a good file, but if you try to burn it you will get an error every time and waste CDs. You need to change the file designation to one that will work to burn the CD. To do that simply go to the file select the name and delete the .dmg from the name. You end up with: MY FILE.cdr It's that simple. You can now use Toast to burn a useable CD. Now, try renaming your .cdr to .iso. (?)

06-06-2003, 10:36 AM	#8
bluehz MVP Join Date: Jan 2002 Posts: 1,562	I have often wondered what would be a similar item to the .dmg for file distribution - say if I wanted to send a disk image to a pc friend. Would this technique work for that. Send an .iso to friend on PC and have it act similar to .dmg on Mac?

09-14-2004, 07:28 PM	#10
yellow Moderator Join Date: Jan 2002 Posts: 10,677	Disk Copy was only in Jaguar and before.. in Panther it was folded into Disk Utility.