cluster config.ini not update (1 reply)

hi,when i change infomation(add a mysqld node) of config.ini,then i restart ndb cluster manager by ndb_mgmd -f /var/lib/mysql-cluster/config,but when i run ndb_mgm,it seem not changed by follwing info:

root@ubuntu:/var/lib/mysql-cluster# ndb_mgm
-- NDB Cluster -- Management Client --
ndb_mgm> show
Connected to Management Server at: localhost:1186
Cluster Configuration
---------------------
[ndbd(NDB)] 2 node(s)
id=2 (not connected, accepting connect from 192.168.136.139)
id=3 (not connected, accepting connect from 192.168.136.140)

[ndb_mgmd(MGM)] 1 node(s)
id=1 @192.168.136.137 (mysql-5.7.19 ndb-7.5.7)

[mysqld(API)] 1 node(s)
id=4 (not connected, accepting connect from 192.168.136.141)

ndb_mgm>