9.4. Add a virtualized CD-ROM or DVD device to a guest
To attach an ISO file to a guest while the guest is online use
The source and target parameters are paths for the files and devices, on the host and guest respectively. The source parameter can be a path to an ISO file or the device from the
virsh with the attach-disk parameter.
# virsh attach-disk [domain-id] [source] [target] --driver file --type cdrom --mode readonly
/dev directory.