{
  disko.devices.disk = let
    bootPartition = {
      size = "1M";
      type = "EF02";
    };

    swapPartition = {
      # 8G is apparently recommended for this much RAM, but we set up
      # 4G on both disks for mirroring purposes.
      #
      # That'll still be 8G during normal operation, and it's probably
      # not too bad to have slightly less swap if a disk dies.
      size = "4G";
      content = {
        type = "swap";
        randomEncryption = true;
      };
    };

    mountOptions = ["compress=zstd" "noatime"];
  in {
    sda = {
      type = "disk";
      device = "/dev/sda";
      content = {
        type = "gpt";
        partitions = {
          boot = bootPartition;
          swap = swapPartition;

          disk1 = {
            size = "100%";
            # Empty partition to combine in RAID0 with the other disk
          };
        };
      };
    };

    sdb = {
      type = "disk";
      device = "/dev/sdb";
      content = {
        type = "gpt";
        partitions = {
          boot = bootPartition;
          swap = swapPartition;

          disk2 = {
            size = "100%";
            content = {
              type = "btrfs";
              # Hack to get multi-device btrfs going
              # See https://github.com/nix-community/disko/issues/99
              extraArgs = ["-d" "raid1" "-m" "raid1" "--runtime-features" "quota" "/dev/sda3"];
              subvolumes = {
                "/volume" = {};
                "/volume/root" = {
                  inherit mountOptions;
                  mountpoint = "/";
                };
                "/volume/home" = {
                  inherit mountOptions;
                  mountpoint = "/home";
                };
                "/volume/var" = {
                  inherit mountOptions;
                  mountpoint = "/var";
                };
                "/volume/nix-store" = {
                  mountpoint = "/nix";
                  mountOptions = mountOptions ++ ["noacl"];
                };
                "/snapshots" = {};
              };
            };
          };
        };
      };
    };
  };
}