wrote: Facing the same issue, selected SATA AHCI Support created software RAID and after installation does not boot to centos.
DL20 Gen10 with S100i controller
More details, please. So you've changed the storage controller from Smart Array SW RAID support and set it to SATA AHCI. and then started a CentOS installation. How many disks installed? What device did you install to? What/where did you create software RAID?