bare-metal recovery →
ολική αποκατάσταση λειτουργικού συστήματοςA recovery of a system using a backup that contains critical volumes and, optionally, data files that you can use to rebuild a system from scratch or rebuild a system using alternate hardware.
Microsoft
Bare-metal restore is a technique in the field of data recovery and restoration where the backed up data is available in a form that allows one to restore a computer system from "bare metal", i.e. without any requirements as to previously installed software or operating system.
Bare-metal restore - Wikipedia