if perr != nil {
			return endpointSet{}, config.ErrInvalidErasureEndpoints(nil).Msg(perr.Error())
		}
		argPatterns[i] = patterns
	}

	ep.setIndexes, err = getSetIndexes(args, getTotalSizes(argPatterns), setDriveCount, argPatterns)
	if err != nil {
		return endpointSet{}, config.ErrInvalidErasureEndpoints(nil).Msg(err.Error())
	}

	ep.argPatterns = argPatterns

	return ep, nil