[ale] CentOS 7 Net Install - /dev/root not found

[djpfulio at jdpfu.com (DJ-Pfulio)]

On 12/08/2015 02:22 PM, Sergio Chaves wrote:
> I have an old server where I plan to install CentOS 7 for my certification
> exams. The DVD player is broken and I am trying to do a Net Install using a
> USB CD player.
> Everything works up to the point where the system says that file system
> mounted OK. After a minute or so, it drops to a dracut shell with a .txt
> file generated (cannot remember the name now).
> File says /dev/root not found. I changed the hd:LABEL to /dev/sr0,
> /dev/cdrom, etc. but with same results
> Googling returns several other options. After trying a half a dozen of
> them, I gave up.
> I am wondering if anyone has a real solution for this, please let me know
> as my frustration level is rising quite rapidly. As an FYI, I do not have a
> "boot from USB" option.
> I know I can buy a USB-DVD but I really would like to figure this one out.
> 

I'm certain I have a spare DVD player here somewhere. Probably IDE, not SATA.
If that helps.