// Federation only.
	remoteCallRequired := isRemoteCopyRequired(ctx, srcBucket, dstBucket, objectAPI)

	var objInfo ObjectInfo
	var os *objSweeper
	if remoteCallRequired {
		var dstRecords []dns.SrvRecord
		dstRecords, err = globalDNSConfig.Get(dstBucket)
		if err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}