nixos-config/machines/odin/storage.nix

{
  disko.devices = {
    disk = {
      nvme0n1 = {
        device = "/dev/nvme0n1";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            esp = {
              name = "ESP";
              size = "512M";
              type = "EF00";
              content = {
                type = "filesystem";
                format = "vfat";
                mountpoint = "/boot";
              };
            };
            root = {
              name = "root_pv_nvme0n1";
              size = "260G";
              content = {
                type = "lvm_pv";
                vg = "root-pool";
              };
            };
            data = {
              name = "data_pv_nvme0n1";
              size = "100%";
              content = {
                type = "lvm_pv";
                vg = "data";
              };
            };
          };
        };
      };
      sdb = {
        device = "/dev/sda";
        type = "disk";
        content = {
          type = "gpt";
          partitions = {
            root = {
              name = "data_pv_sdb";
              size = "100%";
              content = {
                type = "lvm_pv";
                vg = "data";
              };
            };
          };
        };
      };
    };

    lvm_vg = {
      root-pool = {
        type = "lvm_vg";
        lvs = {
          nixos = {
            size = "250G";
            content = {
              type = "filesystem";
              format = "ext4";
              mountpoint = "/";
              mountOptions = [ "defaults" ];
            };
          };

          swap = {
            size = "8G";
            content = {
              type = "swap";
              randomEncryption = true;
            };
          };
        };
      };
      data = {
        type = "lvm_vg";
        lvs = {
          data = {
            size = "100%FREE";
            extraArgs = [
              "--type=thin-pool"
            ];
          };
        };
      };
    };
  };
}