[CentOS] Boot failed on latest CentOS 7 update

Mon Aug 3 15:43:11 UTC 2020
Gordon Messmer <gordon.messmer at gmail.com>

On 8/3/20 2:21 AM, Jyrki Tikka wrote:
> The boot disks must have an EFI boot partition even though it's not 
> used in this case. 

IIRC, they need a partition at the beginning of the drive to reserve 
space for GRUB2.  That should be a "BIOS boot partition" not an "EFI 
System partition" for GRUB2.  It's not used for a filesystem, but it is 
used to store GRUB2's second stage image.