librenms-librenms/includes/discovery/storage/netapp-storage.inc.php

<?php

$netapp_storage = snmpwalk_cache_oid($device, "dfEntry",NULL, "NETAPP-MIB");

if (is_array($netapp_storage)) {
    echo "dfEntry ";
    foreach ($netapp_storage as $index => $storage) {
        $fstype = $storage['dfType'];
        $descr = $storage['dfFileSys'];
        $units = 1024;
        if (isset($storage['df64TotalKBytes']) && is_numeric($storage['df64TotalKBytes'])) {
            $size = $storage['df64TotalKBytes'] * $units;
            $used = $storage['df64UsedKBytes'] * $units;
        } else {
            $size = $storage['dfKBytesTotal'] * $units;
            $used = $storage['dfKBytesUsed'] * $units;
        }

        foreach ($config['ignore_mount'] as $bi) { if ($bi == $descr) { $deny = 1; if ($debug) echo("$bi == $descr \n"); } }
        foreach ($config['ignore_mount_string'] as $bi) { if (strpos($descr, $bi) !== FALSE)     { $deny = 1; if ($debug) echo("strpos: $descr, $bi \n"); } }
        foreach ($config['ignore_mount_regexp'] as $bi) { if (preg_match($bi, $descr) > "0") { $deny = 1; if ($debug) echo("preg_match $bi, $descr \n"); } }

        if (!$deny && is_numeric($index)) {
            discover_storage($valid_storage, $device, $index, $fstype, "netapp-storage", $descr, $size , $units, $used);
        }
        unset($deny, $fstype, $descr, $size, $used, $units, $storage_rrd, $old_storage_rrd, $hrstorage_array);
    }
}