First step, you need to boot on Clonezilla from the usb drive.Choose "Default settings: 800x600", use English language, and select "don't touch keymap".
Then, « Start Clonezilla »
Select the first option « work with disks or partitions using images » and « local_dev : use local device »
Choose the right external hard disk drive in the list (size of HDD can
Select « Beginner » mode (you can choose expert mode if want more options).
Select « 1-2-mdisks » to restore the XiVO iso file.
Use the image to restore and select drives that you want to clone.
To finish : y (for yes) and y (yes)
After waiting, (5-20min) it's finished : drives are cloned.
You can « Poweroff » your computer and use your new hdds with XiVO.