OL08-00-010141 - OL 8 operating systems booted with United Extensible Firmware Interface (UEFI) must have a unique name for the grub superusers account when booting into single-user mode and maintenance.
OL08-00-010149 - OL 8 operating systems booted with a BIOS must have a unique name for the grub superusers account when booting into single-user and maintenance modes.