// skipping bucket usage cache name, as its autogenerated.
						continue
					}

					versionsFound++
				}
			}); err != nil {
				return err
			}

			if versionsFound > 0 {
				return fmt.Errorf("at least %d object(s)/version(s) were found in bucket `%s` after decommissioning", versionsFound, bi.Name)
			}
		}
	}

	return nil
}

	for _, usage := range dataUsageInfo.BucketsUsage {
		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 {

			if matchedFilter.Purge.RetainVersions == 0 {
				continue // including latest version in toDel suffices, skipping other versions
			}
			versionsCount++
		} else {
			continue
		}

		if versionsCount <= matchedFilter.Purge.RetainVersions {
			continue // retain versions
		}
		toDel = append(toDel, expireObjInfo{
			ObjectInfo: result.Item,
		})
	}

		} // Delete marker and any latest that qualifies shall be expired permanently.

		return ObjectInfo{}, toObjectErr(er.deletePrefix(ctx, bucket, object), bucket, object)
	}

	storageDisks := er.getDisks()
	versionFound := true
	objInfo = ObjectInfo{VersionID: opts.VersionID} // version id needed in Delete API response.
	goi, _, gerr := er.getObjectInfoAndQuorum(ctx, bucket, object, opts)
	tryDel := false

	for _, bucket := range buckets {
		e := d.find(bucket.Name)
		if e == nil {
			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(),

		for _, usage := range dataUsageInfo.BucketsUsage {
			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

				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