def maintenance_center(self, storage_disk_xml=None):
        """ Collector for how many disk(s) are in NetApp maintenance center

            For more information on maintenance center please see:
              bit.ly/19G4ptr

        """

        disk_in_maintenance = 0

        for filer_disk in storage_disk_xml:
            disk_status = filer_disk.find('disk-raid-info/container-type')
            if disk_status.text == 'maintenance':
                disk_in_maintenance += 1

        self.push('maintenance_disk', 'disk', disk_in_maintenance)
 Collector for how many disk(s) are in NetApp maintenance center

            For more information on maintenance center please see:
              bit.ly/19G4ptr

        
src/collectors/netapp/netappDisk.py