objLayer, _, err := initObjectLayer(context.Background(), pools)
	if err != nil {
		removeRoots(fsDirs)
		return nil, nil, err
	}
	return objLayer, fsDirs, nil
}

func TestPoolMetaValidate(t *testing.T) {
	objLayer1, fsDirs, err := prepareErasurePools()
	if err != nil {
		t.Fatal(err)
	}
	defer removeRoots(fsDirs)

	meta := objLayer1.(*erasureServerPools).poolMeta

	disks, err := getRandomDisks(nDisks)
	if err != nil {
		t.Fatal(err)
	}
	objLayer, _, err := initObjectLayer(ctx, mustGetPoolEndpoints(0, disks...))
	if err != nil {
		removeRoots(disks)
		t.Fatal(err)
	}
	defer removeRoots(disks)
	z := objLayer.(*erasureServerPools)
	testShuffleDisks(t, z)
}

// Test shuffleDisks which returns shuffled slice of disks for their actual distribution.

	ctx := context.Background()

	obj, fsDirs, err := prepareErasure16(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer obj.Shutdown(context.Background())
	defer removeRoots(fsDirs)

	z := obj.(*erasureServerPools)
	xl := z.serverPools[0].sets[0]

	bucket := "test-bucket"
	object := "test-object"

	err = obj.MakeBucket(ctx, bucket, MakeBucketOptions{})
	if err != nil {

	defer cancel()
	// Tests for ErasureSD object layer.
	nDisks := 1
	disks, err := getRandomDisks(nDisks)
	if err != nil {
		t.Fatal("Failed to create drives for the backend")
	}
	defer removeRoots(disks)

	obj, err := newObjectLayer(ctx, mustGetPoolEndpoints(0, disks...))
	if err != nil {
		t.Fatal("Unexpected object layer initialization error", err)
	}

	_, ok := obj.(*erasureServerPools)
	if !ok {

	if err != nil {
		b.Fatalf("Failed obtaining Temp Backend: <ERROR> %s", err)
	}
	// cleaning up the backend by removing all the directories and files created on function return.
	defer removeRoots(disks)

	// uses *testing.B and the object Layer to run the benchmark.
	runPutObjectPartBenchmark(b, objLayer, objSize)
}

	ctx := context.Background()

	obj, fsDirs, err := prepareErasure16(ctx)
	if err != nil {
		t.Fatal(err)
	}
	defer obj.Shutdown(context.Background())
	defer removeRoots(fsDirs)

	z := obj.(*erasureServerPools)
	xl := z.serverPools[0].sets[0]

	bucket := "test-bucket"
	object := "test-object"

	err = obj.MakeBucket(ctx, bucket, MakeBucketOptions{})
	if err != nil {