{ pkgs, ... }:

{

  environment.systemPackages = [ pkgs.mdadm ];

  services.udev.packages = [ pkgs.mdadm ];

  systemd.packages = [ pkgs.mdadm ];

  boot.initrd.availableKernelModules = [ "md_mod" "raid0" "raid1" "raid10" "raid456" ];

  boot.initrd.extraUdevRulesCommands = ''
    cp -v ${pkgs.mdadm}/lib/udev/rules.d/*.rules $out/
  '';

}