Although in this scenario, there is no need to take an image, yet still we have to mount the image repository so that the temporary image for BT from device mode can be saved. This "pseudo" image only contains some metadata files, and it contains no real data from the device /dev/sda.
The best choice here is to choose "ram_disk" option to assign the RAM disk as the image home since it's usually faster then local disk or any other options:
Clonezilla project. All Rights Reserved.
Anyone is permitted to copy and distribute verbatim copies of this document under the terms of the GNU FDL Free Documentation License.