[virt-tools-list] Creating a file that can be attached as a writable DVD image

[Sam Varshavchik]

I have Windows 10 in a VM, and I want to create a rescue image for it.  
According to some Googling around, it should be possible to use a writable  
DVD for this purpose.

Would this be as basic as creating a file of the appropriate size, and  
connecting it to the "IDE CDROM 1" device? I didn't find anything useful in  
qemu-img's manual page…

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