gopts := opts
	gopts.NoLock = true // We already have a lock, we can live with it.
	objInfo, err := getObjectInfo(ctx, bucket, object, gopts)
	if err != nil {
		// Versioning enabled quite possibly object is deleted might be delete-marker
		// if present set the headers, no idea why AWS S3 sets these headers.
		if objInfo.VersionID != "" && objInfo.DeleteMarker {
			w.Header()[xhttp.AmzVersionID] = []string{objInfo.VersionID}

		Help:      "Total number of S3 requests rejected for auth failure",
		Type:      counterMetric,
	}
}

func getS3RejectedHeaderRequestsTotalMD() MetricDescription {
	return MetricDescription{
		Namespace: s3MetricNamespace,
		Subsystem: requestsRejectedSubsystem,
		Name:      headerTotal,
		Help:      "Total number of S3 requests rejected for invalid header",
		Type:      counterMetric,
	}

		s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

	response, err = s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusNoContent)

	// Verify if the policy was indeed deleted.
	request, err = newTestSignedRequest(http.MethodGet, getGetPolicyURL(s.endPoint, bucketName),
		0, nil, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

	response, err = s.client.Do(request)

		t.Fatalf("Test %s: Failed to fetch the copied object: <ERROR> %s", instanceType, err)
	}
	r.Close()
	if !bytes.Equal(buf.Bytes(), bytesData[0].byteData) {
		t.Fatalf("Test: %s returned data is not expected corruption detected:", instanceType)
	}
}

// Wrapper for calling Copy Object Part API handler tests for both Erasure multiple disks and single node setup.
func TestAPICopyObjectPartHandler(t *testing.T) {