lastOnline      time.Time
	lastHCAt        time.Time
	offlineDuration time.Duration
	latency         latencyStat
}

// isOffline returns current liveness result of remote target. Add endpoint to
// healthCheck map if missing and default to online status
func (sys *BucketTargetSys) isOffline(ep *url.URL) bool {
	sys.hMutex.RLock()
	defer sys.hMutex.RUnlock()
	if h, ok := sys.hc[ep.Host]; ok {
		return !h.Online
	}

		rinfo.ReplicationStatus = rinfo.PrevReplicationStatus
		return
	}
	if dobj.VersionID != "" && rinfo.VersionPurgeStatus == replication.VersionPurgeComplete {
		return
	}
	if globalBucketTargetSys.isOffline(tgt.EndpointURL()) {
		replLogOnceIf(ctx, fmt.Errorf("remote target is offline for bucket:%s arn:%s", dobj.Bucket, tgt.ARN), "replication-target-offline-delete-"+tgt.ARN)
		sendEvent(eventArgs{
			BucketName: dobj.Bucket,

		errMap[depID] = errs[i]
		if errs[i] != nil && minio.IsNetworkOrHostDown(errs[i], true) {
			ep := c.state.Peers[depID].Endpoint
			epURL, _ := url.Parse(ep)
			if !globalBucketTargetSys.isOffline(epURL) {
				globalBucketTargetSys.markOffline(epURL)
			}
		}
	}
	return c.newConcErr(errMap, actionName)
}

func (c *SiteReplicationSys) annotateErr(annotation string, err error) error {