I have a few clients that have only one host running 6.0 or higher. Before I patch ESXi or perform BIOS/firmware updates should I be backing up the ESXi config files? I guess I am confused on what I am exactly backing up. To restore the backup config, I have to first reinstall ESXi and bring it up to the same patch level before the crash and also configure the management network. If I'm doing all of this prior to a restore, what is the purpose of backing up the ESXi config files?
Thank you