})
		if err != nil {
			if !configRetriableErrors(err) {
				logger.Fatal(err, "Unable to initialize backend")
			}
			retry := time.Duration(r.Float64() * float64(5*time.Second))
			storageLogIf(ctx, fmt.Errorf("Unable to initialize backend: %w, retrying in %s", err, retry))
			time.Sleep(retry)
			attempt++
			continue
		}
		break
	}

	// initialize the incomplete uploads cache

		x.versions = make([]xlMetaV2ShallowVersion, 0, versions+1)
	}
	x.versions = x.versions[:versions]
	x.data = data
	x.metaV = metaV
	if err = x.data.validate(); err != nil {
		x.data.repair()
		storageLogIf(GlobalContext, fmt.Errorf("xlMetaV2.loadIndexed: data validation failed: %v. %d entries after repair", err, x.data.entries()))
	}
	return decodeVersions(buf, versions, func(i int, hdr, meta []byte) error {

	values.Set(storageRESTTotalVersions, strconv.Itoa(len(versions)))

	var buffer bytes.Buffer
	encoder := msgp.NewWriter(&buffer)
	for _, version := range versions {
		version.EncodeMsg(encoder)
	}
	storageLogIf(ctx, encoder.Flush())

	errs = make([]error, len(versions))

	respBody, err := client.call(ctx, storageRESTMethodDeleteVersions, values, &buffer, -1)
	defer xhttp.DrainBody(respBody)
	if err != nil {

	// Saves on all pools to make sure decommissioning of first pool is allowed.
	for i, eset := range pools {
		if err = saveConfig(ctx, eset, poolMetaName, buf); err != nil {
			if !errors.Is(err, context.Canceled) {
				storageLogIf(ctx, fmt.Errorf("saving pool.bin for pool index %d failed with: %v", i, err))
			}
			return err
		}
	}
	return nil
}

const (
	poolMetaName      = "pool.bin"
	poolMetaFormat    = 1

	if _, err := er.CopyObject(ctx, bucket, object, bucket, object, oi, ObjectOptions{
		VersionID: oi.VersionID,
	}, ObjectOptions{
		VersionID: oi.VersionID,
	}); err != nil {
		storageLogIf(ctx, fmt.Errorf("Unable to update transition restore metadata for %s/%s(%s): %s", bucket, object, oi.VersionID, err))
		return err
	}
	return nil
}