這兩天看了一下?mysql-cluster 從 5.0.X 的時候做過測試，后來就在也沒有看過，后來google時，說有些改善，所以就研究了一下。今天只把配置過程寫下來，改天把LVS 和 測試結果發來，不過也拿不出什么測試結果，因為現在手頭上沒有實體服務器，虛擬機器做并發測試沒有什么意義呵呵。

hostname IP地址 應用服務
DB1 192.168.6.162 MGM
DB2 192.168.6.160 NDBD，MYSQLD
DB3 192.168.6.188 NDBD2, MYSQLD
DB4 192.168.6.191 MYSQLD

一.DB1 管理節點 MGM

./configure --prefix=/usr/local/mysql/ --with-charset=utf8 --with-collation=utf8_general_ci --with-client-ldflags=-all-static -with-mysqld-ldflags=-all-static --enable-assembler --with-extra-charsets=complex --enable-thread-safe-client --with-big-tables --with-readline --with-ssl --with-embedded-server --enable-local-infile --with-unix-socket-path=/tmp/mysql.sock --sysconfdir=/usr/local/mysql/etc --without-debug --with-mysqld-user=mysql --with-plugin=innobase --with-plugin-ndbcluster --with-plugin-partition
make
make install
cd /usr/local/mysql
mkdir mysql-cluster
cd mysql-cluster
vim config.ini

[ndbd default]
NoOfReplicas= 2
[MYSQLD DEFAULT]
[ndb_mgmd default]
DataDir= /usr/local/mysql/mysql-cluster
[ndb_mgmd]
HostName= 192.168.6.162
[ndbd]
HostName= 192.168.6.160
DataDir= /usr/local/mysql/mysql-cluster
[ndbd]
HostName= 192.168.6.188
DataDir= /usr/local/mysql/mysql-cluster
[mysqld]
HostName= 192.168.6.160
[mysqld]
HostName= 192.168.6.188
[mysqld]
HostName= 192.168.6.191 /usr/local/mysql/libexec/ndb_mgmd -f /usr/local/mysql/mysql-cluster/config.ini /usr/local/mysql/bin/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 192.168.6.160)
id=3 (not connected, accepting connect from 192.168.6.188)

[ndb_mgmd(MGM)] 1 node(s)
id=1 @192.168.6.162 (Version: 5.1.45)

[mysqld(API)] 3 node(s)
id=4 (not connected, accepting connect from 192.168.6.160)
id=5 (not connected, accepting connect from 192.168.6.188)
id=6 (not connected, accepting connect from 192.168.6.191)

可以看到ndb_mgmd 是 連上的，nbd 和 mysqld 還沒有連上~

二.在兩個ndbd 節點 DB1,DB2 安裝mysql

./configure --prefix=/usr/local/mysql/ --with-charset=utf8 --with-collation=utf8_general_ci --with-client-ldflags=-all-static -with-mysqld-ldflags=-all-static --enable-assembler --with-extra-charsets=complex --enable-thread-safe-client --with-big-tables --with-readline --with-ssl --with-embedded-server --enable-local-infile --with-unix-socket-path=/tmp/mysql.sock --sysconfdir=/usr/local/mysql/etc --without-debug --with-mysqld-user=mysql --with-plugin=innobase --with-plugin-ndbcluster --with-plugin-partition

groupadd mysql
useradd -g mysql mysql
cd /usr/local/mysql
chown root.mysql . -R
/usr/local/mysql/bin/mysql_install_db --user=mysql

vim /usr/local/mysql/etc/my.cnf
[mysqld]
basedir = /usr/local/mysql/
datadir = /usr/local/mysql/var
user = mysql
port = 3306
socket = /tmp/mysql.sock
ndbcluster
ndb-connectstring=192.168.6.162
[mysql_cluster]
ndb-connectstring=192.168.6.162 /usr/local/mysql/libexec/ndbd --initial ### 第一次啟動需要 --initial 以后在啟動不需要加

隨后啟動兩臺ndbd 節點上的 mysql 服務

/usr/local/mysql/bin/mysqld_safe --user=mysql &

然后在 MGM 服務器上查看

/usr/local/mysql/bin/ndb_mgm
-- NDB Cluster -- Management Client --
ndb_mgm> show
Cluster Configuration
---------------------
[ndbd(NDB)] 2 node(s)
id=2 @192.168.6.160 (Version: 5.1.45, Nodegroup: 0)
id=3 @192.168.6.188 (Version: 5.1.45, Nodegroup: 0, Master)
[ndb_mgmd(MGM)] 1 node(s)
id=1 @192.168.6.162 (Version: 5.1.45)
[mysqld(API)] 3 node(s)
id=4 @192.168.6.160 (Version: 5.1.45)
id=5 @192.168.6.188 (Version: 5.1.45)
id=6 (not connected, accepting connect from 192.168.6.191)

從上面可以看出 兩個 ndbd 節點 和 ndbd 上的兩個mysql 服務已經連接上了。
三.DB4安裝mysql節點

./configure --prefix=/usr/local/mysql/ --with-charset=utf8 --with-collation=utf8_general_ci --with-client-ldflags=-all-static -with-mysqld-ldflags=-all-static --enable-assembler --with-extra-charsets=complex --enable-thread-safe-client --with-big-tables --with-readline --with-ssl --with-embedded-server --enable-local-infile --with-unix-socket-path=/tmp/mysql.sock --sysconfdir=/usr/local/mysql/etc --without-debug --with-mysqld-user=mysql --with-plugin=innobase --with-plugin-ndbcluster --with-plugin-partition
groupadd mysql
useradd -g mysql mysql
cd /usr/local/mysql
chown root.mysql . -R
/usr/local/mysql/bin/mysql_install_db --user=mysql
vim /usr/local/mysql/etc/my.cnf
[mysqld]
basedir = /usr/local/mysql/
datadir = /usr/local/mysql/var
user = mysql
port = 3306
socket = /tmp/mysql.sock
ndbcluster
ndb-connectstring=192.168.6.162
[mysql_cluster]
ndb-connectstring=192.168.6.162

啟動 mysql 服務

/usr/local/mysql/bin/mysqld_safe --user=mysql &

回到 MGM 上查看是否正常

DB1 $> /usr/local/mysql/bin/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 @192.168.6.160 (Version: 5.1.45, Nodegroup: 0)
id=3 @192.168.6.188 (Version: 5.1.45, Nodegroup: 0, Master)
[ndb_mgmd(MGM)] 1 node(s)
id=1 @192.168.6.162 (Version: 5.1.45)
[mysqld(API)] 3 node(s)
id=4 @192.168.6.160 (Version: 5.1.45)
id=5 @192.168.6.188 (Version: 5.1.45)
id=6 @192.168.6.191 (Version: 5.1.45)

好了，一切正常了，現在回到 mysql 節點上 創建和刪除數據看是否同步。
那么就登錄 DB2 的 mysql

DB2 $> /usr/local/mysql/bin/mysql -uroot -p
Mysql >show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
+--------------------+
2 rows in set (0.00 sec)
Mysql > create database eric;
Query OK, 1 row affected (0.39 sec)
Mysql >show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| eric |
| mysql |
+--------------------+
3 rows in set (0.01 sec)

好了，在看 DB3 DB4 上是否同步

Db3 $> /usr/local/mysql/bin/mysql -uroot -p
Mysql $> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| eric |
| mysql |
+--------------------+ DB4 $> /usr/local/mysql/bin/mysql -uroot -p
Mysql $> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| eric |
| mysql |
+--------------------+

都看到了 eric 數據庫·結束

本文轉自Deidara 51CTO博客，原文鏈接：http://blog.51cto.com/deidara/305585，如需轉載請自行聯系原作者

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