_, err := disk.ReadVersion(ctx, "", minioMetaBucket,
							o.objectPath(partN), "", ReadOptions{})
						if err != nil {
							time.Sleep(retryDelay250)
							retries++
							continue
						}
						break
					}
				}

				// Load partN metadata...
				fi, metaArr, onlineDisks, err = er.getObjectFileInfo(ctx, minioMetaBucket, o.objectPath(partN), ObjectOptions{}, true)
				if err != nil {

func TestMaxPartID(t *testing.T) {
	sizes := []struct {
		isMax bool
		partN int
	}{
		// Test - 1 part number within max part number.
		{
			false,
			globalMaxPartID - 1,
		},
		// Test - 2 part number bigger than max part number.
		{
			true,
			globalMaxPartID + 1,
		},
	}

	for i, s := range sizes {
		isMax := isMaxPartID(s.partN)
		if isMax != s.isMax {

				return err
			}

			if len(pfi.Parts) != 1 {
				return errors.New("invalid number of parts expected 1, got 0")
			}

			if partN != pfi.Parts[0].Number {
				return fmt.Errorf("part.%d.meta has incorrect corresponding part number: expected %d, got %d", partN, partN, pfi.Parts[0].Number)
			}

			partsInfo[i] = pfi.Parts[0]
			return nil
		}, i)
	}

	g.Wait()