// to be safe and fallback to original
			// distribution order.
			inconsistent++
			continue
		}
		if !meta.IsValid() {
			inconsistent++
			continue
		}
		if meta.XLV1 != fi.XLV1 {
			inconsistent++
			continue
		}
		// check if erasure distribution order matches the index
		// position if this is not correct we discard the disk
		// and move to collect others

		modTimes[index] = metadata.ModTime
	}
	return modTimes
}

func filterOnlineDisksInplace(fi FileInfo, partsMetadata []FileInfo, onlineDisks []StorageAPI) {
	for i, meta := range partsMetadata {
		if fi.XLV1 == meta.XLV1 {
			continue
		}
		onlineDisks[i] = nil
	}
}

// Notes:
// There are 5 possible states a disk could be in,

		VersionID:        "756100c6-b393-4981-928a-d49bbc164741",
		IsLatest:         true,
		Deleted:          false,
		TransitionStatus: "",
		DataDir:          "bffea160-ca7f-465f-98bc-9b4f1c3ba1ef",
		XLV1:             false,
		ModTime:          time.Now().UTC(),
		Size:             0,
		Mode:             0,
		Metadata:         nil,
		Parts:            nil,
		Erasure: ErasureInfo{

//   - 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
}

		VersionID:        "00000000-0000-0000-0000-000000000001",
		IsLatest:         true,
		Deleted:          false,
		TransitionStatus: "",
		DataDir:          "bffea160-ca7f-465f-98bc-9b4f1c3ba1ef",
		XLV1:             false,
		ModTime:          time.Now(),
		Size:             0,
		Mode:             0,
		Metadata:         nil,
		Parts:            nil,
		Erasure: ErasureInfo{
			Algorithm:    ReedSolomon.String(),

		partsMetadata[i] = cleanFileInfo(latestMeta)
	}

	// source data dir shall be empty in case of XLV1
	// differentiate it with dstDataDir for readability
	// srcDataDir is the one used with newBitrotReader()
	// to read existing content.
	srcDataDir := latestMeta.DataDir
	dstDataDir := latestMeta.DataDir
	if latestMeta.XLV1 {
		dstDataDir = migrateDataDir
	}

	var inlineBuffers []*bytes.Buffer

		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,

		ModTime:     m.Stat.ModTime,
		Size:        m.Stat.Size,
		Metadata:    m.Meta,
		Parts:       m.Parts,
		Erasure:     m.Erasure,
		VersionID:   m.VersionID,
		DataDir:     m.DataDir,
		XLV1:        true,
		NumVersions: 1,
	}

	return fi, nil
}

// Signature will return a signature that is expected to be the same across all disks.
func (m *xlMetaV1Object) Signature() [4]byte {

		VersionID:        "756100c6-b393-4981-928a-d49bbc164741",
		IsLatest:         true,
		Deleted:          false,
		TransitionStatus: "",
		DataDir:          "bffea160-ca7f-465f-98bc-9b4f1c3ba1ef",
		XLV1:             false,
		ModTime:          time.Now(),
		Size:             0,
		Mode:             0,
		Metadata:         nil,
		Parts:            nil,
		Erasure: ErasureInfo{
			Algorithm:    ReedSolomon.String(),

		VersionID:        "756100c6-b393-4981-928a-d49bbc164741",
		IsLatest:         true,
		Deleted:          false,
		TransitionStatus: "PENDING",
		DataDir:          "bffea160-ca7f-465f-98bc-9b4f1c3ba1ef",
		XLV1:             false,
		ModTime:          time.Now(),
		Size:             1234456,
		Mode:             0,
		Metadata: map[string]string{
			xhttp.AmzRestore:                 "FAILED",