1. vm export
xe vm-list xe vm-export vm=[vm-name] compress=true filename=[Path ex> /backup/vm0001.xva]
2. snapshot export
xe snapshot-list xe snapshot-export-to-template snapshot-uuid=[vm uuid] filename=[Path ex> /backup/vm0001.xva]
3. vm import
xe vm-import filename=[Path ex> /backup/vm0001.xva]