writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
	}

	q := r.Form
	node := q.Get("node")

	keepAliveTicker := time.NewTicker(500 * time.Millisecond)
	defer keepAliveTicker.Stop()

	mrfCh, err := globalNotificationSys.GetReplicationMRF(ctx, bucket, node)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

		"Count of offline nodes in the cluster")
	healthNodesOnlineCountMD = NewGaugeMD(healthNodesOnlineCount,
		"Count of online nodes in the cluster")
)

// loadClusterHealthNodeMetrics - `MetricsLoaderFn` for cluster health node
// metrics.
func loadClusterHealthNodeMetrics(ctx context.Context, m MetricValues,
	c *metricsCache,
) error {
	nodesUpDown, _ := c.nodesUpDown.Get()

	m.Set(healthNodesOfflineCount, float64(nodesUpDown.Offline))

		var eps []string

		for i := 0; ; i++ {
			for _, node := range endpointsList {
				if node.nodeName == "" {
					singleNode = true
				}

				if len(node.disks) <= i {
					stopping = true
					continue
				}
				if stopping {
					return layout, errors.New("number of disks per node does not match")
				}
				eps = append(eps, node.disks[i])
			}
			if stopping {
				break
			}
		}

	}
	// More corner cases suitable for storage REST API
	switch {
	// A peer node can be in shut down phase and proactively
	// return 503 server closed error, consider it as an offline node
	case strings.Contains(err.Error(), http.ErrServerClosed.Error()):
		return true
	// Corner case, the server closed the connection with a keep-alive timeout
	// some requests are not retried internally, such as POST request with written body

			}
		}
	}
}

// Wrapper for calling TestPostPolicyBucketHandler tests for both Erasure multiple disks and single node setup.
func TestPostPolicyBucketHandler(t *testing.T) {
	ExecObjectLayerTest(t, testPostPolicyBucketHandler)
}

// testPostPolicyBucketHandler - Tests validate post policy handler uploading objects.

		dst = binary.LittleEndian.AppendUint32(dst, uint32(h))
	}
	return m.parent.send(m.ctx, dst)
}

// RequestStateless will send a single payload request and stream back results.
// req may not be read/written to after calling.
// TODO: Not implemented
func (m *muxClient) RequestStateless(h HandlerID, req []byte, out chan<- Response) {
	if m.init {
		out <- Response{Err: errors.New("mux client already used")}
	}
	m.init = true

							t.Errorf("Test %d: %s: Expected NextMarker to be empty since listing is not truncated, but instead found `%v`", i+1, instanceType, resultV.NextMarker)
						}
					}
				}
			}
		})
	}
}

// Wrapper for calling ListObjectsOnVersionedBuckets tests for both
// Erasure multiple disks and single node setup.
func TestListObjectsOnVersionedBuckets(t *testing.T) {

// (as this is already done by the notifying node).
func (store *IAMStoreSys) DeletePolicy(ctx context.Context, policy string, isFromNotification bool) error {
	if policy == "" {
		return errInvalidArgument
	}

	cache := store.lock()
	defer store.unlock()

	if !isFromNotification {
		// Check if policy is mapped to any existing user or group. If so, we do not

| `minio_node_mem_available_avg` | Available memory on the node (avg).       |
| `minio_node_mem_available_max` | Available memory on the node (max).       |
| `minio_node_mem_buffers`       | Buffers memory on the node.               |
| `minio_node_mem_buffers_avg`   | Buffers memory on the node (avg).         |
| `minio_node_mem_buffers_max`   | Buffers memory on the node (max).         |

}

// HasLogListeners returns true if console log listeners are registered
// for this node or peers
func (sys *HTTPConsoleLoggerSys) HasLogListeners() bool {
	return sys != nil && sys.pubsub.Subscribers() > 0
}

// Subscribe starts console logging for this node.
func (sys *HTTPConsoleLoggerSys) Subscribe(subCh chan log.Info, doneCh <-chan struct{}, node string, last int, logKind madmin.LogMask, filter func(entry log.Info) bool) error {