我在運行AWS EC2實例(3個數據節點和1個管理節點,運行Ubuntu最新版本的t2.micro上)上運行我的MySQL羣集時遇到問題。我跟着這個教程(與MySQL集羣7.5.5的更新版本):https://stansantiago.wordpress.com/2012/01/04/installing-mysql-cluster-on-ec2/數據節點無法連接到MySQL羣集
在my.cnf
文件,我有以下代碼:
[mysqld]
ndbcluster
datadir=/opt/mysqlcluster/deploy/mysqld_data
basedir=/opt/mysqlcluster/home/mysqlc
port=3306
在config.ini
文件,我有這樣的代碼:
[ndb_mgmd]
hostname=<private DNS of master>
datadir=/opt/mysqlcluster/deploy/ndb_data
nodeid=1
[ndbd default]
noofreplicas=3
datadir=/opt/mysqlcluster/deploy/ndb_data
[ndbd]
hostname=<private DNS of slave 1>
nodeid=3
[ndbd]
hostname=<private DNS of slave 2>
nodeid=4
[ndbd]
hostname=<private DNS of slave 3>
nodeid=5
[mysqld]
nodeid=50
然後,我開始管理節點是這樣的:
ndb_mgmd -f /opt/mysqlcluster/deploy/conf/config.ini --initial --configdir=/opt/mysqlcluster/deploy/conf
一切似乎都很好,我沒有顯示錯誤。
然而,當我嘗試到從連接到羣集,使用此命令:
它失敗,此錯誤代碼:
Unable to connect with connect string: nodeid=0,<private DNS of master>:1186
我試着命令ndb_mgm -e show
看什麼正在進行:
Connected to Management Server at: localhost:1186
Cluster Configuration
---------------------
[ndbd(NDB)] 3 node(s)
id=3 (not connected, accepting connect from <private DNS of slave 1>)
id=4 (not connected, accepting connect from <private DNS of slave 2>)
id=5 (not connected, accepting connect from <private DNS of slave 2>)
[ndb_mgmd(MGM)] 1 node(s)
id=1 @<private IP address of master> (mysql-5.7.17 ndb-7.5.5)
[mysqld(API)] 1 node(s)
id=50 (not connected, accepting connect from any host)
看起來管理節點開始於lo calhost,這是爲什麼它失敗? 我不明白爲什麼我無法將數據節點連接到集羣,因爲配置文件看起來不錯。
如果有人有任何建議,將不勝感激。謝謝 !
是的,當然!該錯誤消息我感到困惑,但是這是一種明顯的...謝謝。 –