print Dumper($response)
returns - 
$VAR1 = bless( {
                 'content' => '',
                 'name' => 'results',
                 'children' => [
                                 bless( {
                                          'content' => '',
                                          'name' => 'disk-details',
                                          'children' => [
                                                          bless( {
                                                                   'content' => '',
                                                                   'name' => 'disk-detail-info',
                                                                   'children' => [
                                                                                   bless( {
                                                                                            'content' => '0b.29',
                                                                                            'name' => 'name',
                                                                                            'children' => [],
                                                                                            'attrvals' => [],
                                                                                            'attrkeys' => []
                                                                                          }, 'NaElement' ),
                                                                                   bless( {
                                                                                            'content' => '20000011:C6C99699:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000',
                                                                                            'name' => 'disk-uid',
                                                                                            'children' => [],
                                                                                            'attrvals' => [],
                                                                                            'attrkeys' => []
                                                                                          }, 'NaElement' ),
                                                                                   bless( {
                                                                                            'content' => '13',
                                                                                            'name' => 'bay',
........................