nix/host/x86_64-linux/dasha/Filesystem.nix

{ ... }:
{
  fileSystems = {
    "/storage/hot" = {
      device = "/dev/storage/hot";
      fsType = "ext4";
      options = [
        "nofail"
        "noatime"
      ];
    };

    "/storage/cold" = {
      device = "/dev/storage/cold";
      fsType = "ext4";
      options = [
        "nofail"
        "noatime"
      ];
    };
  };
}