var lastOnline time.Time
					var offline time.Duration
					//	var deploymentID string
					sys.hMutex.RLock()
					prev, ok := sys.hc[result.Endpoint.Host]
					sys.hMutex.RUnlock()
					if ok {
						if prev.Online != result.Online || !result.Online {
							if !prev.lastHCAt.IsZero() {
								offline = time.Since(prev.lastHCAt) + prev.offlineDuration
							} else {

			linkOnline := MetricV2{
				Description: getClusterRepLinkOnlineMD(),
				VariableLabels: map[string]string{
					"endpoint": ep,
				},
			}
			online := Offline
			if health.Online {
				online = Online
			}
			linkOnline.Value = float64(online)
			ml = append(ml, linkOnline)
			offlineDuration := MetricV2{
				Description: getClusterRepLinkCurrOfflineDurationMD(),
				VariableLabels: map[string]string{

		}
		epHealth, ok := epMap[v.Endpoint]
		if ok {
			metric.Endpoint = epHealth.Endpoint
			metric.TotalDowntime = epHealth.offlineDuration
			metric.LastOnline = epHealth.lastOnline
			metric.Online = epHealth.Online
			metric.Latency = madmin.LatencyStat{
				Curr: epHealth.latency.curr,
				Avg:  epHealth.latency.avg,
				Max:  epHealth.latency.peak,
			}
		}
		m[dID] = metric
	}
	return m
}

// Object Operations

func countOnlineDisks(onlineDisks []StorageAPI) (online int) {
	for _, onlineDisk := range onlineDisks {
		if onlineDisk != nil && onlineDisk.IsOnline() {
			online++
		}
	}
	return online
}

// CopyObject - copy object source object to destination object.
// if source object and destination object are same we only
// update metadata.

				SetID:         setIdx,
				PoolID:        poolIdx,
				Healthy:       erasureSetUpCount[poolIdx][setIdx].online >= poolWriteQuorums[poolIdx],
				HealthyRead:   erasureSetUpCount[poolIdx][setIdx].online >= poolReadQuorums[poolIdx],
				HealthyDrives: erasureSetUpCount[poolIdx][setIdx].online,
				HealingDrives: erasureSetUpCount[poolIdx][setIdx].healing,
				ReadQuorum:    poolReadQuorums[poolIdx],

<img src="/img/tutorial/generate-clients/image08.png">

## Benefits { #benefits }

When using the automatically generated clients, you would get **autocompletion** for:

* Methods.
* Request payloads in the body, query parameters, etc.
* Response payloads.

You would also have **inline errors** for everything.

	}()

	var wg sync.WaitGroup
	diskMap := s.getDiskMap()
	for _, endpoint := range s.endpoints.Endpoints {
		cdisk := diskMap[endpoint]
		if cdisk != nil && cdisk.IsOnline() {
			if s.lastConnectDisksOpTime.IsZero() {
				continue
			}

			// An online-disk means its a valid disk but it may be a re-connected disk
			// we verify that here based on LastConn(), however we make sure to avoid

import (
	"bytes"
	"crypto/rand"
	"io"
	"os"
	"testing"
)

var erasureHealTests = []struct {
	dataBlocks, disks int

	// number of offline disks is also number of staleDisks for
	// erasure reconstruction in this test
	offDisks int

	// bad disks are online disks which return errors
	badDisks, badStaleDisks int

	blocksize, size int64
	algorithm       BitrotAlgorithm
	shouldFail      bool
}{

		// If we have offline disks upgrade the number of erasure codes for this object.
		parityOrig := parityDrives

		var offlineDrives int
		for _, disk := range onlineDisks {
			if disk == nil || !disk.IsOnline() {
				parityDrives++
				offlineDrives++
				continue
			}
		}

		if offlineDrives >= (len(onlineDisks)+1)/2 {
			// if offline drives are more than 50% of the drives

	}
	idx := xxhash.Sum64String(s) % uint64(len(peerClients))
	return peerClients[idx]
}

// GetPeerOnlineCount gets the count of online and offline nodes.
func (sys *NotificationSys) GetPeerOnlineCount() (nodesOnline, nodesOffline int) {
	nodesOnline = 1 // Self is always online.
	nodesOffline = 0
	nodesOnlineIndex := make([]bool, len(sys.peerClients))
	var wg sync.WaitGroup
	for idx, client := range sys.peerClients {