> Note that we did not specify the altroot device by DUID, but by device > name. We probably want to be pushing from the boot device to the > secondary device, which can end up changing if the drive order is > changed. For this reason, you may want to specify the root and altroot > in /etc/fstab as a device name, not a DUID.
To be clear: the reason I'm hesitating is that I have no idea whether this really is sound advice or not.