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

Pavel Hrdina phrdina at redhat.com
Wed Dec 14 12:54:16 UTC 2016

On Thu, Nov 24, 2016 at 12:39:30PM -0500, Sam Varshavchik wrote:
> 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…


This is not possible with QEMU, you cannot create a file and use emulated CDROM
to write to that file.  You can assign real CDROM device from host to guest and
write the rescue image to real DVD.

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