librenms/html/pages/device/health/diskio.inc.php

<?php

echo '<table cellspacing="0" cellpadding="5" width="100%">';

// echo("<tr class=tablehead>
// <th width=250>Drive</th>
// <th width=420>Usage</th>
// <th width=50>Free</th>
// <th></th>
// </tr>");
$row = 1;

foreach (dbFetchRows('SELECT * FROM `ucd_diskio` WHERE device_id = ? ORDER BY diskio_descr', array($device['device_id'])) as $drive) {
    if (is_integer($row / 2)) {
        $row_colour = $list_colour_a;
    }
    else {
        $row_colour = $list_colour_b;
    }

    $fs_url = 'device/device='.$device['device_id'].'/tab=health/metric=diskio/';

    $graph_array_zoom['id']     = $drive['diskio_id'];
    $graph_array_zoom['type']   = 'diskio_ops';
    $graph_array_zoom['width']  = '400';
    $graph_array_zoom['height'] = '125';
    $graph_array_zoom['from']   = $config['time']['twoday'];
    $graph_array_zoom['to']     = $config['time']['now'];

    echo "<tr bgcolor='$row_colour'><th>";
    echo overlib_link($fs_url, $drive['diskio_descr'], generate_graph_tag($graph_array_zoom), null);
    echo '</th></tr>';

    $types = array(
              'diskio_bits',
              'diskio_ops',
             );

    foreach ($types as $graph_type) {
        echo '<tr bgcolor="'.$row_colour.'"><td colspan=5>';

        $graph_array         = array();
        $graph_array['id']   = $drive['diskio_id'];
        $graph_array['type'] = $graph_type;

        include 'includes/print-graphrow.inc.php';

        echo '</td></tr>';
    }

    $row++;
}

echo '</table>';