How to make a perfect clone of my boot disk?

Hi everyone. I'd like to clone my Hackintosh boot disk for a simple reason: I want to install the Apple system updates in the clone disk, in my second Hackintosh , before doing it on the fully functional HD of my first Hackintosh .
Put simply, I would like to have two identical disks that can boot the same way, so that I can test the compatibility of updates first on one disk, the "second Hackintosh ", and then on the other. I cloned the system disk with Carbon Copy Cloner and then the UEFI...

Tonymacx86

Author: crybbio