$('#create-volume-group').on('click', function () {
            dialog_open({ Title: _("Create Volume Group"),
                          Fields: [
                              { TextInput: "name",
                                Title: _("Name"),
                                validate: validate_lvm2_name
                              },
                              { SelectMany: "disks",
                                Title: _("Disks"),
                                Options: model.free_blockdevs.map(function (b) {
                                    return { value: b.path, Title: b.Name + " " + b.Description };
                                }),
                                validate: function (disks) {
                                    if (disks.length === 0)
                                        return _("At least one disk is needed.");
                                }
                              }
                          ],
                          Action: {
                              Title: _("Create"),
                              action: function (vals, dialog) {
                                  return manager_lvm2.VolumeGroupCreate(vals.name, vals.disks, { });
                              }
                          }
                        });
        });