Help:      "Number of object version expiry missed due to busy system",
				Type:      counterMetric,
			},
		}
		expMissedFreeVersions := MetricV2{
			Description: MetricDescription{
				Namespace: nodeMetricNamespace,
				Subsystem: ilmSubsystem,
				Name:      expiryMissedFreeVersions,
				Help:      "Number of free versions expiry missed due to busy system",
				Type:      counterMetric,
			},

	expectedMap := http.Header{}
	expectedMap.Set("Access-Control-Allow-Credentials", "true")
	expectedMap.Set("Access-Control-Allow-Origin", "http://foobar.com")
	expectedMap["Access-Control-Expose-Headers"] = []string{
		"Date",
		"Etag",
		"Server",
		"Connection",
		"Accept-Ranges",
		"Content-Range",
		"Content-Encoding",
		"Content-Length",
		"Content-Type",
		"Content-Disposition",
		"Last-Modified",

	// Compare only necessary headers
	compareKeys := []string{
		"Expires",
		"Cache-Control",
		"Content-Language",
		"Content-Disposition",
		"X-Amz-Object-Lock-Mode",
		"X-Amz-Object-Lock-Retain-Until-Date",
		"X-Amz-Object-Lock-Legal-Hold",
		"X-Amz-Website-Redirect-Location",
		"X-Amz-Meta-",
	}

	// compare metadata on both maps to see if meta is identical
	compareMeta1 := make(map[string]string)

	// Set ReplicateILMExpiry for all peers
	currTime := time.Now()
	for i := range c.state.Peers {
		p := c.state.Peers[i]
		if p.ReplicateILMExpiry == arg.ReplicateILMExpiry {
			// its already set due to previous edit req
			break
		}
		p.ReplicateILMExpiry = arg.ReplicateILMExpiry
		c.state.UpdatedAt = currTime
		c.state.Peers[i] = p
	}

	for i := range c.state.Peers {

		go func() {
			respBytes, apiErr, errMsg := globalAllHealState.LaunchNewHealSequence(nh, objectAPI)
			hr := healResp{respBytes, apiErr, errMsg}
			respCh <- hr
		}()
	}

	// Due to the force-starting functionality, the Launch
	// call above can take a long time - to keep the
	// connection alive, we start sending whitespace
	keepConnLive(w, r, respCh)
}

		if err != nil {
			t.Fatalf("Failed to create new streaming signed HTTP request: <ERROR> %v.", err)
		}
		switch test.fault {
		case BadSignature:
			// Reset date field in header to make streaming signature fail.
			req.Header.Set("x-amz-date", "")
		case TooBigDecodedLength:
			// Set decoded length to a large value out of int64 range to simulate parse failure.