<?php
$nodeId = '';
$server = '';
$totalsize = 0;
$totalused = 0;
$totalspace = 0;
$isPrintTotal = false;

$dataNode = array ();
while ( $data2 = mssql_fetch_array ( $query2 ) ) {
    if (!isset($dataNode[$data2['NodeID'])

    {
        $dataNode[$data2['NodeID']) =

        array (
                'VendorIcon' => $data2 ['VendorIcon'],
                'Caption' => $data2 ['Caption'],
                'totalsize' => $data2 ['VolumeSize'],
                'totalused' => $data2 ['VolumeSpaceUsed'],
                'totalspace' => $data2 ['VolumeSpaceAvailable'],
                'percentused' => $data2 ['VolumePercentUsed']
        );
    } else

    {

        $dataNode [$data2 ['NodeID']] ['totalsize'] += $data2 ['VolumeSize'];
        $dataNode [$data2 ['NodeID']] ['totalused'] += $data2 ['VolumeSpaceUsed'];
        $dataNode [$data2 ['NodeID']] ['totalspace'] += $data2 ['VolumeSpaceAvailable'];
    }
}
<?php
if (count($dataNode)>0) {
    foreach($dataNode as $key => $data2)
    {
        ?>
<tr>
    <td><a href="?content=node_detail&node=$key"><img
            src="images/type/<?php echo $data2['VendorIcon']?>"><?php echo $data2['Caption'] ;?></a></td>
    <td><?php echo call_user_func('konversi',$data2['totalsize'] )?></td>
    <td><?php echo call_user_func('konversi',$data2['totalused'] ) ?></td>
    <td><?php echo call_user_func('konversi',$data2['totalspace'] ) ?></td>
    <td><?php echo round ($data2['percentused'],1); ?>%</td>
</tr>
<?php
     }
}
                //sampe sini om