{ config, lib, pkgs, modulesPath, ... }: {
  boot.initrd.kernelModules = [ "dm-snapshot" ];
  boot.initrd.availableKernelModules =
    [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
  boot.kernelModules = [ "kvm-amd" ];

  boot.initrd.services.swraid.mdadmConf = config.environment.etc."mdadm.conf".text;

  fileSystems."/" = {
    device = "/dev/disk/by-label/root";
    fsType = "ext4";
  };

  fileSystems."/boot" = {
    device = "/dev/disk/by-label/boot";
    fsType = "ext4";
  };

  boot.loader.grub = {
    enable = true;
    efiSupport = false;
    version = 2;
    device = "nodev";
    devices = [ "/dev/sda" "/dev/sdb"];
  };
}