stats.put("fs", getFsObj());
        return asJson(new ApiStatsResponse().stats(stats).status(ApiResult.Status.OK).result());
    }

    private FsObj[] getFsObj() {
        return Arrays.stream(File.listRoots()).map(f -> {
            final FsObj fsObj = new FsObj();
            fsObj.path = f.getAbsolutePath();
            fsObj.free = f.getFreeSpace();
            fsObj.total = f.getTotalSpace();

    assertFalse(Files.isDirectory().apply(asciiFile));
    assertTrue(Files.isFile().apply(asciiFile));
  }

  /** Returns a root path for the file system. */
  private static File root() {
    return File.listRoots()[0];
  }

  /** Returns a {@code File} object for the given path parts. */
  private static File file(String first, String... more) {
    return file(new File(first), more);
  }

	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	adminLogIf(r.Context(), json.NewEncoder(w).Encode(&status))
}

func (a adminAPIHandlers) ListPools(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.ServerInfoAdminAction, policy.DecommissionAdminAction)
	if objectAPI == nil {
		return
	}

			// Pool operations
			adminRouter.Methods(http.MethodGet).Path(adminVersion + "/pools/list").HandlerFunc(adminMiddleware(adminAPI.ListPools, traceAllFlag))
			adminRouter.Methods(http.MethodGet).Path(adminVersion+"/pools/status").HandlerFunc(adminMiddleware(adminAPI.StatusPool, traceAllFlag)).Queries("pool", "{pool:.*}")