本节介绍备份和还原 MySQL NDB Cluster，以及完整和部分还原操作的示例。请注意，backup cluster和restore cluster命令 NDB仅适用于表格；使用其他 MySQL 存储引擎（例如 InnoDB或 MyISAM）的表将被忽略。

出于示例的目的，我们使用名为 mycluster其进程和状态的 MySQL NDB Cluster 可以在此处看到：

mcm> show status -r mycluster;
+--------+----------+----------+---------+-----------+-----------+
| NodeId | Process  | Host     | Status  | Nodegroup | Package   |
+--------+----------+----------+---------+-----------+-----------+
| 49     | ndb_mgmd | tonfisk  | running |           | mypackage |
| 1      | ndbd     | tonfisk  | running | 0         | mypackage |
| 2      | ndbd     | tonfisk  | running | 0         | mypackage |
| 50     | mysqld   | tonfisk  | running |           | mypackage |
| 51     | mysqld   | tonfisk  | running |           | mypackage |
| 52     | ndbapi   | *tonfisk | added   |           |           |
| 53     | ndbapi   | *tonfisk | added   |           |           |
+--------+----------+----------+---------+-----------+-----------+
7 rows in set (0.08 sec)

mycluster您可以使用该 命令 查看是否存在任何现有备份 list backups，如下所示：

mcm> list backups mycluster;
+----------+--------+---------+---------------------+-------+---------+
| BackupId | NodeId | Host    | Timestamp           | Parts | Comment |
+----------+--------+---------+---------------------+-------+---------+
| 1        | 1      | tonfisk | 2020-12-04 12:03:52 | 1     |         |
| 1        | 2      | tonfisk | 2020-12-04 12:03:52 | 1     |         |
| 2        | 2      | tonfisk | 2020-12-04 12:04:15 | 1     |         |
| 3        | 1      | tonfisk | 2020-12-04 12:17:41 | 1     |         |
| 3        | 2      | tonfisk | 2020-12-04 12:17:41 | 1     |         |
+----------+--------+---------+---------------------+-------+---------+
6 rows in set (0.12 sec)