Problem solved. It was just that I used to save the image on an external usb hard drive that it was going into sleeping mode for some reason not known to me. Thanks.
Hello, I use clonezilla-live-2.7.3-19 to take the image of a disk in order to clone it to other disks. Up to know I have done it successfully with the same closezilla version. The only difference now is that the disk image is much larger. Before it was only a few GB. All the times the source disk setup was the same. The source disk has a small boot partition and a large one with XFS lvm filesystems (Centos 7). The cloning process stuck at 100% for at least for 12 hours when it goes through the large...