hh.Write([]byte(key))
				hashBytes := hh.Sum(nil)
				keyHash = base64.URLEncoding.EncodeToString(hashBytes)
			} else {
				keyHash = key
			}
		}

		if eventData.EventName == event.ObjectRemovedDelete {
			err = target.client.removeEntry(ctx, target.args.Index, keyHash)
		} else {
			err = target.client.updateEntry(ctx, target.args.Index, keyHash, eventData)
		}
		return err
	}

	encodedSuccessResponse := encodeResponse(response)

	// Write success response.
	writeSuccessResponseXML(w, encodedSuccessResponse)

	// Notify object created event.
	evt := eventArgs{
		EventName:    event.ObjectCreatedCompleteMultipartUpload,
		BucketName:   bucket,
		Object:       objInfo,
		ReqParams:    extractReqParams(r),
		RespElements: extractRespElements(w),
		UserAgent:    r.UserAgent(),

	fi.TransitionedObjName = destObj
	fi.TransitionTier = opts.Transition.Tier
	fi.TransitionVersionID = string(rv)
	eventName := event.ObjectTransitionComplete

	storageDisks := er.getDisks()

	if err = er.deleteObjectVersion(ctx, bucket, object, fi, false); err != nil {
		eventName = event.ObjectTransitionFailed
	}

	for _, disk := range storageDisks {
		if disk != nil && disk.IsOnline() {