ex.nix

{ config, ... }: {
  services.znapzend = {
    enable = true;
    autoCreation = true;
    zetup.rpool = {
      plan = "1d=>1h,1m=>1d,1y=>1m";
      recursive = true;
      destinations.ogden = {
        host = "znapreceiveuser@ogden";
        dataset = "rpool/${config.networking.hostname}";
        timestampFormat = "%Y-%m-%d--%H%M%SZ";
      };
    };
  };
}