librenms-librenms/html/includes/graphs/application/drbd_disk_bits.inc.php

<?php

$scale_min = 0;

require 'includes/graphs/common.inc.php';

$drbd_rrd = rrd_name($device['hostname'], array('app', 'drbd', $app['app_instance']));

if (rrdtool_check_rrd_exists($drbd_rrd)) {
    $rrd_filename = $drbd_rrd;
}

$ds_in  = 'dr';
$ds_out = 'dw';

$multiplier = '8';
$format     = 'bytes';

require 'includes/graphs/generic_data.inc.php';