Does this help?

https://fedoramagazine.org/initramfs-dracut-and-the-dracut-emergency-shell/


On Tue, 28 Jul 2020, gregrwm wrote:

> i've upgraded a server from centos7 to centos8, but centos8 seems to have removed the drivers
> for the discs and ethernet.  i can still boot into centos7 but when i boot into centos8 it
> doesn't get past the dracut shell as it can't find the root filesystem.
> perhaps the drivers needed might be
> sata_nv
> pata_acpi
> pata_amd
> tg3
> forcedeth
> i tried to include a dud at install time but the installer still said no discs found.
> 
> i'm thinking if i get the right drivers it might work to just include them in the upgraded
> system.  it seems i might find them somewhere at elrepo, somehow include them in
> /etc/dracut.conf.d, and somehow run dracut but i've yet to see an actual example, anyone have
> an example handy?
> 
>