clusterBuckets++
		clusterSize += usage.Size
		clusterObjectsCount += usage.ObjectsCount
		clusterVersionsCount += usage.VersionsCount
		clusterDeleteMarkersCount += usage.DeleteMarkersCount
		for k, v := range usage.ObjectSizesHistogram {
			clusterObjectSizesHistogram[k] += v
		}
		for k, v := range usage.ObjectVersionsHistogram {
			clusterVersionsHistogram[k] += v
		}
	}

			continue
		}
		flat := d.flatten(*e)
		bui := BucketUsageInfo{
			Size:                    uint64(flat.Size),
			VersionsCount:           flat.Versions,
			ObjectsCount:            flat.Objects,
			DeleteMarkersCount:      flat.DeleteMarkers,
			ObjectSizesHistogram:    flat.ObjSizes.toMap(),
			ObjectVersionsHistogram: flat.ObjVersions.toMap(),
		}
		dst[bucket.Name] = bui
	}
	return dst
}

			clusterBuckets++
			clusterSize += usage.Size
			clusterObjectsCount += usage.ObjectsCount
			clusterVersionsCount += usage.VersionsCount
			clusterDeleteMarkersCount += usage.DeleteMarkersCount
			for k, v := range usage.ObjectSizesHistogram {
				v1, ok := clusterObjectSizesHistogram[k]
				if !ok {
					clusterObjectSizesHistogram[k] = v
				} else {
					v1 += v

				dataUsageInfo := cache.dui(dataUsageRoot, nil)
				erasureSet.ObjectsCount = dataUsageInfo.ObjectsTotalCount
				erasureSet.VersionsCount = dataUsageInfo.VersionsTotalCount
				erasureSet.DeleteMarkersCount = dataUsageInfo.DeleteMarkersTotalCount
				erasureSet.Usage = dataUsageInfo.ObjectsTotalSize
			}
		}
		erasureSet.RawCapacity += d.TotalSpace
		erasureSet.RawUsage += d.UsedSpace
		if d.Healing {