[CentOS] CentOS 7 1708 won't boot after grub2 update

Tue Feb 20 01:36:22 UTC 2018
Steven Tardy <sjt5atra at gmail.com>

On Mon, Feb 19, 2018 at 7:01 AM Sorin Srbu <sorin.srbu at ilk.uu.se> wrote:

> Hi all,
>
> This is the third fresh install of CentOS 7 1708 the last two months that
> won't boot after a regular "yum update" just after the fresh install has
> finished.



Not nearly enough details given. . .
What disk controller? `lspci`
Legacy BIOS or UEFI?
What disk layout? `lsblk`
What storage driver? `lsmod`
BTW, anyone have a good method for finding driver for a given
disk(/dev/sdX)?