sys.aMutex.RLock()
	defer sys.aMutex.RUnlock()
	if v, ok := sys.arnErrsMap[arn]; ok {
		return v.updateInProgress
	}
	return false
}

func (sys *BucketTargetSys) incTargetErr(bucket, arn string) {
	sys.aMutex.Lock()
	defer sys.aMutex.Unlock()
	if v, ok := sys.arnErrsMap[arn]; ok {
		sys.arnErrsMap[arn] = arnErrs{
			updateInProgress: v.updateInProgress,