return
	}

	subSys, _, _, err := config.GetSubSys(string(kvBytes))
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	cfg, err := readServerConfig(ctx, objectAPI, nil)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	if err = cfg.DelFrom(bytes.NewReader(kvBytes)); err != nil {

		tgtSuffix := ""
		if cfgTarget != madmin.Default {
			tgtSuffix = config.SubSystemSeparator + cfgTarget
		}
		cfgData = subSys + tgtSuffix + config.KvSpaceSeparator + string(reqBytes)
	}

	cfg, err := readServerConfig(ctx, objectAPI, nil)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	dynamic, err := cfg.ReadConfig(strings.NewReader(cfgData))
	if err != nil {

				return newServerCfg()
			}
			return nil, err
		}

		data, err = decryptData(data, configFile)
		if err != nil {
			return nil, err
		}

		newCfg, err := readServerConfig(GlobalContext, objAPI, data)
		if err == nil {
			return newCfg, nil
		}

		// Read older `.minio.sys/config/config.json`, if not
		// possible just fail.
		if err = json.Unmarshal(data, cfg); err != nil {

		})
		if err != nil {
			return err
		}
	}
	return saveConfig(ctx, objAPI, configFile, data)
}

// data is optional. If nil it will be loaded from backend.
func readServerConfig(ctx context.Context, objAPI ObjectLayer, data []byte) (config.Config, error) {
	srvCfg := config.New()
	var err error
	if len(data) == 0 {
		configFile := path.Join(minioConfigPrefix, minioConfigFile)

	return readServerConfig(GlobalContext, objAPI, nil)
}

// loadConfig - loads a new config from disk, overrides params
// from env if found and valid
// data is optional. If nil it will be loaded from backend.
func loadConfig(objAPI ObjectLayer, data []byte) error {
	bootstrapTraceMsg("load the configuration")
	srvCfg, err := readServerConfig(GlobalContext, objAPI, data)
	if err != nil {

			}
			partialWrite(healthInfo)
		}
	}

	getAndWriteMinioConfig := func() {
		if query.Get("minioconfig") == "true" {
			config, err := readServerConfig(healthCtx, objectAPI, nil)
			if err != nil {
				healthInfo.Minio.Config = madmin.MinioConfig{
					Error: err.Error(),
				}
			} else {
				healthInfo.Minio.Config = madmin.MinioConfig{