var got dataUsageCache
	err = got.deserialize(&buf)
	if err != nil {
		t.Fatal(err)
	}
	if got.Info.LastUpdate.IsZero() {
		t.Error("lastupdate not set")
	}

	if !want.Info.LastUpdate.Equal(got.Info.LastUpdate) {
		t.Fatalf("deserialize LastUpdate mismatch\nwant: %+v\ngot:  %+v", want, got)
	}
	if len(want.Cache) != len(got.Cache) {

		return
	}

	dataUsageInfo, err := loadDataUsageFromBackend(GlobalContext, objLayer)
	if err != nil {
		return
	}
	// data usage has not captured any data yet.
	if dataUsageInfo.LastUpdate.IsZero() {
		return
	}

	for bucket, usageInfo := range dataUsageInfo.BucketsUsage {
		stat := globalReplicationStats.getLatestReplicationStats(bucket)
		// Total space used by bucket

	LastUpdate   time.Time             `json:"lastUpdate" msg:"lu"`
	Decommission *PoolDecommissionInfo `json:"decommissionInfo,omitempty" msg:"dec"`
}

// Clone returns a copy of PoolStatus
func (ps PoolStatus) Clone() PoolStatus {
	return PoolStatus{
		ID:           ps.ID,
		CmdLine:      ps.CmdLine,
		LastUpdate:   ps.LastUpdate,
		Decommission: ps.Decommission.Clone(),
	}
}

				return
			}
		case "lh":
			z.lastHandout, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "lastHandout")
				return
			}
		case "u":
			z.lastUpdate, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "lastUpdate")
				return
			}
		case "b":
			z.bucket, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "bucket")
				return
			}
		case "flt":

				return
			}
		case "Started":
			z.Started, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "Started")
				return
			}
		case "LastUpdate":
			z.LastUpdate, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "LastUpdate")
				return
			}
		case "ObjectsTotalCount":
			z.ObjectsTotalCount, err = dc.ReadUint64()
			if err != nil {
				err = msgp.WrapError(err, "ObjectsTotalCount")

		return ""
	}
}

// TargetReplicationResyncStatus status of resync of bucket for a specific target
type TargetReplicationResyncStatus struct {
	StartTime  time.Time `json:"startTime" msg:"st"`
	LastUpdate time.Time `json:"lastUpdated" msg:"lst"`
	// Resync ID assigned to this reset
	ResyncID string `json:"resyncID" msg:"id"`
	// ResyncBeforeDate - resync all objects created prior to this date

							Entry:  update,
						}:
						}
					}
				}(cache.Info.Name)
				// Calc usage
				before := cache.Info.LastUpdate
				var err error
				cache, err = disk.NSScanner(ctx, cache, updates, healScanMode, nil)
				if err != nil {
					if !cache.Info.LastUpdate.IsZero() && cache.Info.LastUpdate.After(before) {
						scannerLogIf(ctx, cache.save(ctx, er, cacheName))
					} else {
						scannerLogIf(ctx, err)
					}

			}
		case "st":
			z.StartTime, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "StartTime")
				return
			}
		case "lu":
			z.LastUpdate, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "LastUpdate")
				return
			}
		case "ra":
			z.RetryAttempts, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "RetryAttempts")
				return
			}

		return
	}
	if otherRoot == nil {
		return
	}
	if existingRoot == nil {
		*d = other.clone()
		return
	}
	if other.Info.LastUpdate.After(d.Info.LastUpdate) {
		d.Info.LastUpdate = other.Info.LastUpdate
	}
	existingRoot.merge(*otherRoot)
	eHash := d.rootHash()
	for key := range otherRoot.Children {
		entry := other.Cache[key]
		flat := other.flatten(entry)

			}
		case "cl":
			z.CmdLine, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "CmdLine")
				return
			}
		case "lu":
			z.LastUpdate, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "LastUpdate")
				return
			}
		case "dec":
			if dc.IsNil() {
				err = dc.ReadNil()
				if err != nil {
					err = msgp.WrapError(err, "Decommission")
					return