if err != nil {
		buf, err = readConfig(ctx, objAPI, dataUsageObjNamePath+".bkp")
		if err != nil {
			if errors.Is(err, errConfigNotFound) {
				return DataUsageInfo{}, nil
			}
			return DataUsageInfo{}, toObjectErr(err, minioMetaBucket, dataUsageObjNamePath)
		}
	}

	var dataUsageInfo DataUsageInfo
	json := jsoniter.ConfigCompatibleWithStandardLibrary
	if err = json.Unmarshal(buf, &dataUsageInfo); err != nil {