if err != nil {
				err = msgp.WrapError(err, "Group")
				return
			}
		case "Owner":
			z.Owner, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Owner")
				return
			}
		case "Quorum":
			z.Quorum, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "Quorum")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)

			r.err = err
			return err
		}

		var err error
		var meta metaCacheEntry
		if meta.name, err = r.mr.ReadString(); err != nil {
			if err == io.EOF {
				err = io.ErrUnexpectedEOF
			}
			r.err = err
			return err
		}
		if meta.metadata, err = r.mr.ReadBytes(metaDataPoolGet()); err != nil {
			if err == io.EOF {
				err = io.ErrUnexpectedEOF
			}
			r.err = err
			return err
		}

		return nil, err
	}
	return d.disk.ListVols(ctx)
}

func (d *naughtyDisk) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {
	if err := d.calcError(); err != nil {
		return VolInfo{}, err
	}
	return d.disk.StatVol(ctx, volume)
}

func (d *naughtyDisk) DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error) {
	if err := d.calcError(); err != nil {
		return err

	v := allTierStats{}
	bts, err := v.MarshalMsg(nil)
	if err != nil {
		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {

		if f.method == Deflate {
			var buf bytes.Buffer
			w, err := flate.NewWriter(&buf, flate.BestSpeed)
			if err != nil {
				t.Fatalf("flate.NewWriter err = %v", err)
			}
			_, err = w.Write(f.content)
			if err != nil {
				t.Fatalf("flate Write err = %v", err)
			}
			err = w.Close()
			if err != nil {
				t.Fatalf("flate Writer.Close err = %v", err)
			}
			compressedContent = buf.Bytes()

	if err != nil {
		return 0, nil, err
	}

	opts := minio.GetObjectOptions{}
	obj, err := clnt.GetObject(context.Background(), bucket, object, opts)
	if err != nil {
		return 0, nil, err
	}
	defer func() {
		if err != nil && obj != nil {
			obj.Close()
		}
	}()

	_, err = obj.Seek(offset, io.SeekStart)
	if err != nil {
		return 0, nil, err
	}

	info, err := obj.Stat()
	if err != nil {

	// add one and test exists.
	err := obj.MakeBucket(context.Background(), "bucket1", MakeBucketOptions{})
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	err = obj.MakeBucket(context.Background(), "bucket2", MakeBucketOptions{})
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	buckets, err := obj.ListBuckets(context.Background(), BucketOptions{})

	buf, err := rp.MarshalMsg(nil)
	if err != nil {
		return nil, err
	}

	respBody, err := client.call(ctx, storageRESTMethodReadParts, values, bytes.NewReader(buf), -1)
	defer xhttp.DrainBody(respBody)
	if err != nil {
		return nil, err
	}

	respReader, err := waitForHTTPResponse(respBody)
	if err != nil {
		return nil, toStorageErr(err)
	}

	if !r.Target.Creds.Empty() {
		if err := r.Target.Creds.Validate(); err != nil {
			return err
		}
	}

	if err := r.Target.Type.Validate(); err != nil {
		return err
	}

	for _, tag := range r.Flags.Filter.Tags {
		if err := tag.Validate(); err != nil {
			return err
		}
	}

	for _, meta := range r.Flags.Filter.Metadata {
		if err := meta.Validate(); err != nil {

		hdr := &Header{Name: "small.txt"}
		if err := tw.WriteHeader(hdr); err != nil {
			t.Fatalf("WriteHeader() = %v, want nil", err)
		}
		if err := tw.Close(); err != nil {
			t.Fatalf("Close() = %v, want nil", err)
		}
		if _, err := tw.Write([]byte("Kilts")); err != ErrWriteAfterClose {
			t.Fatalf("Write() = %v, want %v", err, ErrWriteAfterClose)
		}
		if err := tw.Flush(); err != ErrWriteAfterClose {