Using dd Clone Server or P2P P2V V2V V2P
In my case 2 HP ProLiant DL385, one server is year old and seen come to DC is it on from there we have clone using following.
HP ProLiant DL385 = studyhat.com which is in live for production.
HP ProLiant DL385 = new brought to DC we want to create clone of studyhat.com
We have created on XEN virtualization one clone of HP ProLiant DL385