{ ... }:
{
  disko.devices = {
    disk = {
      #################################################################
      # HDD1
      #################################################################
      hdd1 = {
        device = "/dev/disk/by-id/ata-ST24000DM001-3Y7103_ZXA0QYPG";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            hdd1p1 = {
              size = "100%";
              content = {
                type = "luks";
                name = "hdd1-cryptroot";
                extraOpenArgs = [
                  "--allow-discards"
                  "--perf-no_read_workqueue"
                  "--perf-no_write_workqueue"
                ];
                settings = {
                  allowDiscards = true;
                  # keyFile = lib.snowfall.fs.get-file "secrets/nas_pool.key";
                  crypttabExtraOpts = [
                    "tpm2-device=auto"
                    "fido2-device=auto"
                    "token-timeout=10"
                  ];
                };
                content = {
                  type = "bcachefs";
                  filesystem = "nas_pool_subvolumes";
                  label = "hdd.hdd1";
                  extraFormatArgs = [
                    "--discard"
                  ];
                };
              };
            };
          };
        };
      };

      #################################################################
      # HDD2
      #################################################################
      hdd2 = {
        device = "/dev/disk/by-id/ata-ST24000NM000C-3WD103_ZXA0H7EQ";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            hdd2p1 = {
              size = "100%";
              content = {
                type = "luks";
                name = "hdd2-cryptroot";
                extraOpenArgs = [
                  "--allow-discards"
                  "--perf-no_read_workqueue"
                  "--perf-no_write_workqueue"
                ];
                settings = {
                  allowDiscards = true;
                  # keyFile = lib.snowfall.fs.get-file "secrets/nas_pool.key";
                  crypttabExtraOpts = [
                    "tpm2-device=auto"
                    "fido2-device=auto"
                    "token-timeout=10"
                  ];
                };
                content = {
                  type = "bcachefs";
                  filesystem = "nas_pool_subvolumes";
                  label = "hdd.hdd2";
                  extraFormatArgs = [
                    "--discard"
                  ];
                };
              };
            };
          };
        };
      };

      #################################################################
      # SSD1
      #################################################################
      ssd1 = {
        device = "/dev/disk/by-id/nvme-CT1000P310SSD8_25034D8045A9";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            ssd1p1 = {
              size = "100%";
              content = {
                type = "luks";
                name = "ssd1-cryptroot";
                extraOpenArgs = [
                  "--allow-discards"
                  "--perf-no_read_workqueue"
                  "--perf-no_write_workqueue"
                ];
                settings = {
                  allowDiscards = true;
                  # keyFile = lib.snowfall.fs.get-file "secrets/nas_pool.key";
                  crypttabExtraOpts = [
                    "tpm2-device=auto"
                    "fido2-device=auto"
                    "token-timeout=10"
                  ];
                };
                content = {
                  type = "bcachefs";
                  filesystem = "nas_pool_subvolumes";
                  label = "ssd.ssd1";
                  extraFormatArgs = [
                    "--discard"
                  ];
                };
              };
            };
          };
        };
      };

      #################################################################
      # SSD2
      #################################################################
      ssd2 = {
        device = "/dev/disk/by-id/nvme-CT1000P310SSD8_25185002525B";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            ssd2p1 = {
              size = "100%";
              content = {
                type = "luks";
                name = "ssd2-cryptroot";
                extraOpenArgs = [
                  "--allow-discards"
                  "--perf-no_read_workqueue"
                  "--perf-no_write_workqueue"
                ];
                settings = {
                  allowDiscards = true;
                  # keyFile = lib.snowfall.fs.get-file "secrets/nas_pool.key";
                  crypttabExtraOpts = [
                    "tpm2-device=auto"
                    "fido2-device=auto"
                    "token-timeout=10"
                  ];
                };
                content = {
                  type = "bcachefs";
                  filesystem = "nas_pool_subvolumes";
                  label = "ssd.ssd2";
                  extraFormatArgs = [
                    "--discard"
                  ];
                };
              };
            };
          };
        };
      };

      #################################################################
      # SSD3
      #################################################################
      ssd3 = {
        device = "/dev/disk/by-id/nvme-CT1000P310SSD8_25285184CC5C";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            ssd3p1 = {
              size = "100%";
              content = {
                type = "luks";
                name = "ssd3-cryptroot";
                extraOpenArgs = [
                  "--allow-discards"
                  "--perf-no_read_workqueue"
                  "--perf-no_write_workqueue"
                ];
                settings = {
                  allowDiscards = true;
                  # keyFile = lib.snowfall.fs.get-file "secrets/nas_pool.key";
                  crypttabExtraOpts = [
                    "tpm2-device=auto"
                    "fido2-device=auto"
                    "token-timeout=10"
                  ];
                };
                content = {
                  type = "bcachefs";
                  filesystem = "nas_pool_subvolumes";
                  label = "ssd.ssd3";
                  extraFormatArgs = [
                    "--discard"
                  ];
                };
              };
            };
          };
        };
      };

      #################################################################
      # SSD4
      #################################################################
      ssd4 = {
        device = "/dev/disk/by-id/nvme-CT1000P310SSD8_25285186280D";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            ssd4p1 = {
              size = "100%";
              content = {
                type = "luks";
                name = "ssd4-cryptroot";
                extraOpenArgs = [
                  "--allow-discards"
                  "--perf-no_read_workqueue"
                  "--perf-no_write_workqueue"
                ];
                settings = {
                  allowDiscards = true;
                  # keyFile = lib.snowfall.fs.get-file "secrets/nas_pool.key";
                  crypttabExtraOpts = [
                    "tpm2-device=auto"
                    "fido2-device=auto"
                    "token-timeout=10"
                  ];
                };
                content = {
                  type = "bcachefs";
                  filesystem = "nas_pool_subvolumes";
                  label = "ssd.ssd4";
                  extraFormatArgs = [
                    "--discard"
                  ];
                };
              };
            };
          };
        };
      };

      #################################################################
      # SSD5
      #################################################################
      ssd5 = {
        device = "/dev/disk/by-id/nvme-INTEL_SSDPEKNW010T8_PHNH845600381P0B";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            ssd5p1 = {
              size = "100%";
              content = {
                type = "luks";
                name = "ssd5-cryptroot";
                extraOpenArgs = [
                  "--allow-discards"
                  "--perf-no_read_workqueue"
                  "--perf-no_write_workqueue"
                ];
                settings = {
                  allowDiscards = true;
                  # keyFile = lib.snowfall.fs.get-file "secrets/nas_pool.key";
                  crypttabExtraOpts = [
                    "tpm2-device=auto"
                    "fido2-device=auto"
                    "token-timeout=10"
                  ];
                };
                content = {
                  type = "bcachefs";
                  filesystem = "nas_pool_subvolumes";
                  label = "ssd.ssd5";
                  extraFormatArgs = [
                    "--discard"
                  ];
                };
              };
            };
          };
        };
      };

      #################################################################
      # SSD6
      #################################################################
      ssd6 = {
        device = "/dev/disk/by-id/nvme-WDS100T3X0C-00SJG0_202007A00A86";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            ssd6p1 = {
              size = "100%";
              content = {
                type = "luks";
                name = "ssd6-cryptroot";
                extraOpenArgs = [
                  "--allow-discards"
                  "--perf-no_read_workqueue"
                  "--perf-no_write_workqueue"
                ];
                settings = {
                  allowDiscards = true;
                  # keyFile = lib.snowfall.fs.get-file "secrets/nas_pool.key";
                  crypttabExtraOpts = [
                    "tpm2-device=auto"
                    "fido2-device=auto"
                    "token-timeout=10"
                  ];
                };
                content = {
                  type = "bcachefs";
                  filesystem = "nas_pool_subvolumes";
                  label = "ssd.ssd6";
                  extraFormatArgs = [
                    "--discard"
                  ];
                };
              };
            };
          };
        };
      };
    };

    bcachefs_filesystems = {
      nas_pool_subvolumes = {
        type = "bcachefs_filesystem";
        extraFormatArgs = [
          "--compression=zstd"
          "--background_compression=zstd"
          "--metadata_tartget=ssd"
          "--promote_tartget=ssd"
          "--foreground_target=ssd"
          "--background_target=hdd"
          "--data_replicas=2"
        ];
        subvolumes = {
          "backup" = {
            mountpoint = "/media/nas/main/backup";
          };
          "documents" = {
            mountpoint = "/media/nas/main/documents";
          };
          "heroic" = {
            mountpoint = "/media/nas/games/heroic";
          };
          "movies" = {
            mountpoint = "/media/nas/main/movies";
          };
          "photos" = {
            mountpoint = "/media/nas/main/photos";
          };
          "steam" = {
            mountpoint = "/media/nas/games/steam";
          };
          "tv" = {
            mountpoint = "/media/nas/main/tv";
          };
          "persist" = {
            mountpoint = "/persist";
          };
        };
      };
    };
  };
}