Posted by ErmanArslansOracleBlog on URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/Move-VM-content-from-one-VM-to-another-on-ODA-tp1729p1730.html
This can basically done by modifying the xm.cfg file of the related vm guest machine manually.
However, as this is an Oracle VM server, it is better to use its features.