{
  disko.devices = {
    disk = {
      boot1 = {
        content = {
          partitions = {
            boot = {
              content = {
                format = "vfat";
                mountOptions = [ "umask=0077" ];
                mountpoint = "/boot";
                type = "filesystem";
              };

              size = "500M";
              type = "EF00";
            };

            root = {
              content = {
                name = "raid1";
                type = "mdraid";
              };

              size = "100%";
            };
          };

          type = "gpt";
        };

        device = "/dev/sda";
        type = "disk";
      };

      boot2 = {
        content = {
          partitions = {
            boot = {
              content = {
                format = "vfat";
                mountOptions = [ "umask=0077" ];
                mountpoint = "/boot";
                type = "filesystem";
              };

              size = "500M";
              type = "EF00";
            };

            root = {
              content = {
                name = "raid1";
                type = "mdraid";
              };

              size = "100%";
            };
          };

          type = "gpt";
        };

        device = "/dev/sdb";
        type = "disk";
      };

      mass-storage = {
        content = {
          partitions.main = {
            content = {
              format = "xfs";
              mountOptions = [ "noatime" ];
              mountpoint = "/mnt/mass-storage";
              type = "filesystem";
            };

            size = "100%";
          };

          type = "gpt";
        };

        device = "/dev/sdc";
        type = "disk";
      };
    };

    mdadm.raid1 = {
      content = {
        partitions.primary = {
          content = {
            format = "xfs";
            mountOptions = [ "noatime" ];
            mountpoint = "/";
            type = "filesystem";
          };

          size = "100%";
        };

        type = "gpt";
      };

      level = 1;
      type = "mdadm";
    };
  };
}