if err != nil {
		return nil, -1, err
	}

	for i, endpointList := range poolEndpoints {
		if err = endpointServerPools.Add(PoolEndpoints{
			Legacy:       legacy,
			SetCount:     len(poolArgs[i].layout),
			DrivesPerSet: len(poolArgs[i].layout[0]),
			Endpoints:    endpointList,
			Platform:     fmt.Sprintf("OS: %s | Arch: %s", runtime.GOOS, runtime.GOARCH),
			CmdLine:      poolArgs[i].cmdline,

		DataBlocks:       fi.Erasure.DataBlocks,
		VersionID:        versionID,
		IsLatest:         fi.IsLatest,
		DeleteMarker:     fi.Deleted,
		Size:             fi.Size,
		ModTime:          fi.ModTime,
		Legacy:           fi.XLV1,
		ContentType:      fi.Metadata["content-type"],
		ContentEncoding:  fi.Metadata["content-encoding"],
		NumVersions:      fi.NumVersions,
		SuccessorModTime: fi.SuccessorModTime,

	queryValue := url.Values{}
	queryValue.Set("lifecycle", "")
	return makeTestTargetURL(endPoint, bucketName, "", queryValue)
}

// return URL for listing objects in the bucket with V1 legacy API.
func getListObjectsV1URL(endPoint, bucketName, prefix, maxKeys, encodingType string) string {
	queryValue := url.Values{}
	if maxKeys != "" {
		queryValue.Set("max-keys", maxKeys)
	}

	return s.WriteAll(ctx, volume, pathJoin(path, xlStorageFormatFile), buf)
}

func (s *xlStorage) renameLegacyMetadata(volumeDir, path string) (err error) {
	s.RLock()
	legacy := s.formatLegacy
	s.RUnlock()
	if !legacy {
		// if its not a legacy backend then this function is
		// a no-op always returns errFileNotFound
		return errFileNotFound
	}

	// Validate file path length, before reading.

		}
	case config.PolicyOPASubSys:
		// In case legacy OPA config is being set, we treat it as if the
		// AuthZPlugin is being set.
		subSys = config.PolicyPluginSubSys
		fallthrough
	case config.PolicyPluginSubSys:
		if ppargs, err := polplugin.LookupConfig(s, GetDefaultConnSettings(), xhttp.DrainBody); err != nil {
			return err
		} else if ppargs.URL == nil {
			// Check if legacy opa is configured.

//   - deleteMarker returns "delete-marker"
//   - returns "legacy" if FileInfo is XLV1 and DataDir is
//     empty, returns DataDir otherwise
//   - returns "dataDir"
func (fi FileInfo) GetDataDir() string {
	if fi.Deleted {
		return "delete-marker"
	}
	if fi.XLV1 && fi.DataDir == "" {
		return "legacy"
	}
	return fi.DataDir
}

	}

	configurator := &IptablesConfigurator{
		ext:    ext,
		nlDeps: nlDeps,
		cfg:    cfg,
	}

	// By detecting iptables versions *here* once-for-all we are
	// committing to using the same binary/variant (legacy or nft)
	// within all pods as we do on the host.
	//
	// This should be fine, as the host binaries are all we have to work with here anyway,

	// formatErasureV2.Erasure.Version - version '2'.
	formatErasureVersionV2 = "2"

	// formatErasureV3.Erasure.Version - version '3'.
	formatErasureVersionV3 = "3"

	// Distribution algorithm used, legacy
	formatErasureVersionV2DistributionAlgoV1 = "CRCMOD"

	// Distributed algorithm used, with N/2 default parity
	formatErasureVersionV3DistributionAlgoV2 = "SIPMOD"

	// Distributed algorithm used, with EC:4 default parity

		},
		{
			// Upgrade from a legacy webhook to a new revision based
			// Note: we don't need non revision legacy -> non revision, since it will overwrite the webhook
			name:     "revision upgrade",
			webhooks: mergeWebhooks(legacyWebhook, revWebhook),
			checks: append([]assertion{
				{empty, objEnabled, ""}, // Legacy one requires namespace label
			}, baseAssertions...),
		},
		{

		if err != nil {
			storageLogIf(ctx, err)
		}
		// let's the rest shutdown
	}
	return nil
}

// Legacy returns 'true' if distribution algo is CRCMOD
func (z *erasureServerPools) Legacy() (ok bool) {
	ok = true
	for _, set := range z.serverPools {
		ok = ok && set.Legacy()
	}
	return ok
}

func (z *erasureServerPools) BackendInfo() (b madmin.BackendInfo) {
	b.Type = madmin.Erasure