So after a variety of attempts from a number of forum posts, the following approach link1        link2 worked for me: >>  lsscsi [2:0:0:0] cd/dvd HL-DT-ST BD-RE WH14NS40 1.03 /dev/sr0 And then hand modifying the ubuntu XML VM with  <controller type='scsi' index='0' model='virtio-scsi'/> <hostdev mode='subsystem' type='scsi'> <source> <adapter name='scsi_host2'/> <address type='scsi' bus='0' target='0' unit='0'/> </source
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