"exemplar": true,
          "expr": "sum by (server) (rate(minio_cluster_kms_request_success{job=~\"$scrape_jobs\"}[$__rate_interval]))",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "KMS Request Success [{{server}}]",
          "refId": "A"
        }
      ],
      "title": "KMS Request Success Rate ",
      "type": "timeseries"
    },
    {
      "datasource": {

	// "x-amz-copy-source-version-id"- not in canonicalized form, preserve it.
	if srcOpts.VersionID != "" {
		w.Header()[strings.ToLower(xhttp.AmzCopySourceVersionID)] = []string{srcOpts.VersionID}
	}

	// Write success response.
	writeSuccessResponseXML(w, encodedSuccessResponse)

	// Notify object created event.
	sendEvent(eventArgs{
		EventName:    event.ObjectCreatedCopy,
		BucketName:   dstBucket,

			if ok1 != ok2 {
				t.Errorf("Expected %s, got %s", test.expectedErr, err)
			}
			if test.succmodTimes != nil {
				if !test.expectedSuccModTime.Equal(fi.SuccessorModTime) {
					t.Errorf("Expected successor mod time to be %v but got %v", test.expectedSuccModTime, fi.SuccessorModTime)
				}
				if test.expectedIsLatest != fi.IsLatest {
					t.Errorf("Expected IsLatest to be %v but got %v", test.expectedIsLatest, fi.IsLatest)

> Without a 'Complete' status any 'Active' or 'Draining' pool(s) are not allowed to be removed once configured.

## NOTE

- Empty delete markers (such as for objects with no other successor versions) do not transition to the new pool to avoid creating empty metadata on the other pool(s). If you believe transitioning empty delete markers is required, open a GitHub issue.

## TODO

		}
	}
	// Success case, where path doesn't have any mounts.
	{
		absPaths := []string{"/path/to/x"}
		if err = checkCrossDevice(absPaths, mountsPath); err != nil {
			t.Fatalf("Expected success, failed instead (%s)", err)
		}
	}
}

// Tests cross device mount verification function, for both failure
// and success cases.
func TestCrossDeviceMount(t *testing.T) {

	isWriteLock := true
	success := lm.unlock(isWriteLock)
	if !success {
		panic("Trying to Unlock() while no Lock() is active")
	}
}

// RUnlock releases a read lock held on lm.
//
// It is a run-time error if lm is not locked on entry to RUnlock.
func (lm *LRWMutex) RUnlock() {
	isWriteLock := false
	success := lm.unlock(isWriteLock)
	if !success {

	policy = fmt.Sprintf(policy, dates...)

	region := "us-east-1"
	// Create a new POST request with success_action_redirect field specified
	req, perr := newPostRequestV4Generic("", bucketName, keyName, []byte("objData"),
		credentials.AccessKey, credentials.SecretKey, region, curTime,
		[]byte(policy), map[string]string{"success_action_redirect": redirectURL.String()}, false, false, false)

	if perr != nil {

}

type tierMetrics struct {
	sync.RWMutex  // protects requestsCount only
	requestsCount map[string]struct {
		success int64
		failure int64
	}
	histogram *prometheus.HistogramVec
}

var globalTierMetrics = tierMetrics{
	requestsCount: make(map[string]struct {
		success int64
		failure int64
	}),
	histogram: prometheus.NewHistogramVec(prometheus.HistogramOpts{
		Name:    "tier_ttlb_seconds",

	} else {
		hostName = r.Host
	}
	return
}

// Proxy any request to an endpoint.
func proxyRequest(ctx context.Context, w http.ResponseWriter, r *http.Request, ep ProxyEndpoint) (success bool) {
	success = true

	// Make sure we remove any existing headers before
	// proxying the request to another node.
	for k := range w.Header() {
		w.Header().Del(k)
	}

		t.Run("", func(t *testing.T) {
			_, err := ExpToInt64(testCase.exp)
			if err != nil && !testCase.expectedFailure {
				t.Errorf("Expected success but got failure %s", err)
			}
			if err == nil && testCase.expectedFailure {
				t.Error("Expected failure but got success")
			}
		})
	}
}

func TestIsAccessKeyValid(t *testing.T) {
	testCases := []struct {
		accessKey      string
		expectedResult bool
	}{