[root@myqClter1 bin]#
[root@myqClter1 bin]# ndb_mgm --help
Usage: ndb_mgm [OPTIONS] [hostname [port]]
MySQL distrib mysql-5.6.21 ndb-7.3.7, for linux-glibc2.5 (x86_64)
Default options are read from the following files in the given order:
/etc/my.cnf /etc/mysql/my.cnf /usr/local/mysql/etc/my.cnf ~/.my.cnf
The following groups are read: mysql_cluster ndb_mgm
The following options may be given as the first argument:
--print-defaults Print the program argument list and exit.
--no-defaults Don't read default options from any option file,
except for login file.
--defaults-file=# Only read default options from the given file #.
--defaults-extra-file=# Read this file after the global files are read.
--defaults-group-suffix=#
Also read groups with concat(group, suffix)
--login-path=# Read this path from the login file.
-?, --usage Display this help and exit.
-?, --help Display this help and exit.
-V, --version Output version information and exit.
-c, --ndb-connectstring=name
Set connect string for connecting to ndb_mgmd. Syntax:
"[nodeid=
specifying entries in NDB_CONNECTSTRING and my.cnf
--ndb-mgmd-host=name
same as --ndb-connectstring
--ndb-nodeid=# Set node id for this node. Overrides node id specified in
--ndb-connectstring.
--ndb-optimized-node-selection
Select nodes for transactions in a more optimal way
(Defaults to on; use --skip-ndb-optimized-node-selection to disable.)
-c, --connect-string=name
same as --ndb-connectstring
--core-file Write core on errors.
--character-sets-dir=name
Directory where character sets are.
-e, --execute=name execute command and exit
-t, --try-reconnect=#
Specify number of tries for connecting to ndb_mgmd (0 =
infinite)
-v, --verbose=# Control the amount of printout
Variables (--variable-name=value)
and boolean options {FALSE|TRUE} Value (after reading options)
--------------------------------- ----------------------------------------
ndb-connectstring 192.168.55.15
ndb-mgmd-host 192.168.55.15
ndb-nodeid 0
ndb-optimized-node-selection TRUE
connect-string 192.168.55.15
core-file FALSE
character-sets-dir (No default value)
execute (No default value)
try-reconnect 3
verbose 1
[root@myqClter1 bin]#
[root@myqClter1 bin]#
[root@myqClter1 bin]#
[root@myqClter1 bin]#
[root@myqClter1 bin]# ndb_mgm -e shutdown
Connected to Management Server at: 192.168.55.15:1186
3 NDB Cluster node(s) have shutdown.
Disconnecting to allow management server to shutdown.
[root@myqClter1 bin]#
engine=ndbcluster或者engine=ndb的表才能使用Data node所存储。其他engine即放在SQL node本地，就像单机版一样。
这东西用着如何就根据实际场景测吧，其相关的bug可以到http://bugs.mysql.com/search.php查看
参考：
Chapter 18 MySQL Cluster NDB 7.3 and MySQL Cluster NDB 7.4
http://dev.mysql.com/doc/refman/5.6/en/mysql-cluster.html
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blog.csdn.net/beiigang