nixos-servers/machines/lewis.nix

{
  machines.lewis = {
    arch = "x86_64-linux";

    nixosModule = {
      lab = {
        backups.enable = true;
        data-sharing.enable = true;

        storage = {
          osDisk = "/dev/sda";
          dataPartition = "/dev/nvme0n1p1";
        };
      };
    };
  };
}