func LookupConfig(kvs config.KVS, setDriveCount int) (cfg Config, err error) {
	cfg = Config{}

	deprecatedKeys := []string{
		"dma",
	}

	if err = config.CheckValidKeys(config.StorageClassSubSys, kvs, DefaultKVS, deprecatedKeys...); err != nil {
		return Config{}, err
	}

	ssc := env.Get(StandardEnv, kvs.Get(ClassStandard))