1、在管理节点上进行备份。
ndb_mgm> start backup
Waiting for completed, this may take several minutes
Node 3: Backup 3 started from node 1
Node 3: Backup 3 started from node 1 completed
StartGCP: 1249 StopGCP: 1252
#Records: 2058 #LogRecords: 0
Data: 50752 bytes Log: 0 bytes
ndb_mgm> shutdown
Node 2: Cluster shutdown initiated
Node 3: Cluster shutdown initiated
Node 2: Node shutdown completed.
Node 3: Node shutdown completed.
2 NDB Cluster node(s) have shutdown.
Disconnecting to allow management server to shutdown.
ndb_mgm> exit
2、删掉SQL节点的数据。
mysql> use test;
mysql> drop tables ctest;
Query OK, 0 rows affected (0.77 sec)
3、关闭MYSQLD服务器。
[root@Redhat52 data]#service mysqld stop
Shutting down MySQL... SUCCESS!
4、重新顺序启动所有节点。
[root@test5 mysql-cluster]#ndb_mgmd -f /etc/config.ini
[root@Redhat52 data]# /usr/local/mysql/bin/ndbd --initial
[root@Redhat52 data]# service mysqld start
Starting MySQL SUCCESS!
5、在NDBD节点上进行恢复。（每个节点都得执行一次，因为数据分散在两个节点上）
第一个节点：
-r开关是记录集合。
-m是元数据。就是表和库的SCHEMA。
[root@Redhat51 data]# /usr/local/mysql/bin/ndb_restore -n2 -b3 -r -m --backup_p
ath=/usr/local/mysql/data/BACKUP/BACKUP-3/
Nodeid = 3
Backup Id = 3
backup path = /usr/local/mysql/data/BACKUP/BACKUP-3/
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3.3.ctl'
Backup version in files: ndb-6.3.11 ndb version: mysql-5.1.34 ndb-7.0.6
Stop GCP of Backup: 0
Connected to ndb!!
Successfully restored table `test/def/ctest`
Successfully restored table event REPL$test/ctest
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3-0.3.Data'
_____________________________________________________
Processing data in table: sys/def/NDB$EVENTS_0(3) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_apply_status(6) fragment 1
_____________________________________________________
Processing data in table: test/def/ctest(7) fragment 1
_____________________________________________________
Processing data in table: mysql/def/NDB$BLOB_4_3(5) fragment 1
_____________________________________________________
Processing data in table: sys/def/SYSTAB_0(2) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_schema(4) fragment 1
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3.3.log'
Restored 3 tuples and 0 log entries
NDBT_ProgramExit: 0 - OKentries
NDBT_ProgramExit: 0 - OK
第二个节点：
[root@Redhat52 data]# /usr/local/mysql/bin/ndb_restore -n3 -b3 -r --backup_path=/usr/local/mysql/data/BACKUP/BACKUP-3/
Nodeid = 3
Backup Id = 3
backup path = /usr/local/mysql/data/BACKUP/BACKUP-3/
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3.3.ctl'
Backup version in files: ndb-6.3.11 ndb version: mysql-5.1.34 ndb-7.0.6
Stop GCP of Backup: 0
Connected to ndb!!
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3-0.3.Data'
_____________________________________________________
Processing data in table: sys/def/NDB$EVENTS_0(3) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_apply_status(6) fragment 1
_____________________________________________________
Processing data in table: test/def/ctest(7) fragment 1
_____________________________________________________
Processing data in table: mysql/def/NDB$BLOB_4_3(5) fragment 1
_____________________________________________________
Processing data in table: sys/def/SYSTAB_0(2) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_schema(4) fragment 1
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3.3.log'
Restored 3 tuples and 0 log entries
NDBT_ProgramExit: 0 - OK
6、查看一下有没有数据，为了安全起见。
没有恢复的数据库？
MYSQL现在必须重新建立SCHEMA。
mysql> create database test;
Query OK, 1 row affected (0.33 sec)
mysql> use test;
Database changed
mysql> show tables;
+----------------+
| Tables_in_test |
+----------------+
| ctest |
+----------------+
1 row in set (0.06 sec)
7、在NDBD节点上进行恢复的时候有一个要注意的问题。
因为NDBD节点以 --initial 方式启动的时候不会自动删除undo 和 data 文件（即保存到磁盘上的表数据），所以得手动在每个NDBD节点上进行RM操作：
[root@Redhat52 ndb_3_fs]# rm * -rf *
然后开始备份。
在MASTER上备份的时候要加 -m 开关。
在SLAVE上要加-d 而且不要-m开关。
具体步骤如下：
MASTER :
[root@Redhat51 data]# /usr/local/mysql/bin/ndb_restore -n2 -b3 -r -m --backup_p
ath=/usr/local/mysql/data/BACKUP/BACKUP-3/
Nodeid = 3
Backup Id = 3
backup path = /usr/local/mysql/data/BACKUP/BACKUP-3/
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3.3.ctl'
Backup version in files: ndb-6.3.11 ndb version: mysql-5.1.34 ndb-7.0.6
Stop GCP of Backup: 0
Connected to ndb!!
Successfully restored table `test/def/ctest`
Successfully restored table event REPL$test/ctest
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3-0.3.Data'
_____________________________________________________
Processing data in table: sys/def/NDB$EVENTS_0(3) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_apply_status(6) fragment 1
_____________________________________________________
Processing data in table: test/def/ctest(7) fragment 1
_____________________________________________________
Processing data in table: mysql/def/NDB$BLOB_4_3(5) fragment 1
_____________________________________________________
Processing data in table: sys/def/SYSTAB_0(2) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_schema(4) fragment 1
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3.3.log'
Restored 3 tuples and 0 log entries
NDBT_ProgramExit: 0 - OKentries
NDBT_ProgramExit: 0 - OK
其他的SLAVE上的操作：
[root@Redhat52 data]# /usr/local/mysql/bin/ndb_restore -n3 -b3 -r --backup_path=/usr/local/mysql/data/BACKUP/BACKUP-3/
Nodeid = 3
Backup Id = 3
backup path = /usr/local/mysql/data/BACKUP/BACKUP-3/
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3.3.ctl'
Backup version in files: ndb-6.3.11 ndb version: mysql-5.1.34 ndb-7.0.6
Stop GCP of Backup: 0
Connected to ndb!!
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3-0.3.Data'
_____________________________________________________
Processing data in table: sys/def/NDB$EVENTS_0(3) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_apply_status(6) fragment 1
_____________________________________________________
Processing data in table: test/def/ctest(7) fragment 1
_____________________________________________________
Processing data in table: mysql/def/NDB$BLOB_4_3(5) fragment 1
_____________________________________________________
Processing data in table: sys/def/SYSTAB_0(2) fragment 1
_____________________________________________________
Processing data in table: mysql/def/ndb_schema(4) fragment 1
Opening file '/usr/local/mysql/data/BACKUP/BACKUP-3/BACKUP-3.3.log'
Restored 3 tuples and 0 log entries
NDBT_ProgramExit: 0 - OK
-d 开关的意思即：
-d, --no-restore-disk-objects
Dont restore disk objects (tablespace/logfilegroups etc)
既忽略表空间和分组空间
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