OCP installation |coreos-installer install | "Error: couldn't find boot device for /dev/vda"

[Dakshnamoorthy]

Hi Folks,

I am getting below error, please suggest me here. 

While deploying OCP cluster (4.9.9) on bare metal using UPI method for bootstrap node (Same error while doing with master nodes). Screenshot has been attached. (Let me know if any other details needed).

Regards,

Chandra