let
  emmc = "/dev/mmcblk0";
  hd1 = "/dev/disk/by-id/ata-WDC_WD10EADS-22M2B0_WD-WCAV52709550";
  hd2 = "/dev/disk/by-id/ata-WDC_WD10EADX-22TDHB0_WD-WCAV5V359530";
  # old_hd = "/dev/disk/by-id/ata-WDC_WD5000AAKX-08U6AA0_WD-WCC2E5TR40FU";
in {
  disko.devices = {
    disk = {
      emmc = {
        type = "disk";
        device = emmc;
        content = {
          type = "table";
          format = "gpt";
          partitions = [
            {
              start = "32.8kB";
              end = "12.6MB";
              name = "uboot";
              bootable = true;
            }
            {
              name = "NIXOS_ROOTFS";
              start = "13.6MB";
              end = "100%";
              flags = ["legacy_boot"];
              content = {
                type = "filesystem";
                format = "ext4";
                mountpoint = "/";
              };
            }
          ];
        };
      };
      hd1 = {
        type = "disk";
        device = hd1;
        content = {
          type = "table";
          format = "gpt";
          partitions = [
            {
              name = "primary";
              start = "0";
              end = "100%";
              content = {
                type = "mdraid";
                name = "raid1";
              };
            }
          ];
        };
      };
      hd2 = {
        type = "disk";
        device = hd2;
        content = {
          type = "table";
          format = "gpt";
          partitions = [
            {
              name = "primary";
              start = "0";
              end = "100%";
              content = {
                type = "mdraid";
                name = "raid1";
              };
            }
          ];
        };
      };
    };

    mdadm = {
      raid1 = {
        type = "mdadm";
        level = 1;
        content = {
          type = "table";
          format = "gpt";
          partitions = [
            {
              name = "primary";
              start = "0";
              end = "100%";
              content = {
                type = "filesystem";
                format = "ext4";
                mountpoint = "/mnt/raid";
              };
            }
          ];
        };
      };
    };
  };
}