RDM Disks and Virtual BIOS

This section outlines low-level procedures for restoring raw device mapping (RDM) disks and NVRAM.

Restore RDM Disks
Backing up and restoring RDM disks presents unusual challenges. The original backed-up RDM configuration might not apply, and is probably not appropriate, if users restore:
Restore the Virtual BIOS or UEFI
The .nvram file stores the BIOS or UEFI customizations of a virtual machine. Usually the only important items in this file are the boot drive setting and the boot order (in the case of multiple virtual disks).

Parent topic: Practical Programming Tasks