[CentOS] iso creation with dd

Tue May 12 05:54:31 UTC 2009
Jason Pyeron <jpyeron at pdinc.us>

> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of nate
> Sent: Monday, May 11, 2009 19:40
> To: centos at centos.org
> Subject: Re: [CentOS] iso creation with dd
> 
> Al Sparks wrote:
> >
> > I placed a CD in a drive.
> >    I ran
> >      sudo dd sudo dd if=/dev/cdrom 
> > of=HMI_B_Image_File_4-23-09_disk_1.iso
> >
> > It completed.  I then transferred the ISO file to an XP 
> machine, use 

What happens when you load that file in an emulator like daemon tools, open it
with magic iso, or mount it with a loop?

Can you mount the cdrom?

> > Sonic to burn the ISO file to another CD, and there was a 
> file missing 
> > (the largest) in the burned CD.
> >

I am assuming sonic has the ability to "show" the cdrom's details, how many
tracks does it show?

> > Seems like the data got transferred through the dd, but not a file 
> > name.  What might I be doing wrong?
> 
> 
> Though it may work, I'd never use dd to make an ISO image, 
> try mkisofs, see if you have better luck with that.

Except when I "KNOW" that there is only one track on the cd, and it is a data
track.

> 
> And if you want a block for block copy I'd use cdrdao (don't 
> think this is included in standard CentOS distribution).
> 
> nate
> 
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