How To Set Up A Load-Balanced MySQL Cluster - Part 2

王朝mysql·作者佚名  2006-04-28
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3 Set Up The MySQL Cluster Nodes (Storage Nodes)

Now we install mysql-max-5.0.19 on both sql1.example.com and sql2.example.com:

sql1.example.com / sql2.example.com:

groupadd mysql

useradd -g mysql mysql

cd /usr/local/

wget http://dev.mysql.com/get/Downloads/MySQL-5.0/mysql-max-5.0.19-linux-i686-glibc23.tar.gz/from/http://www.mirrorservice.org/sites/ftp.mysql.com/

tar xvfz mysql-max-5.0.19-linux-i686-glibc23.tar.gz

ln -s mysql-max-5.0.19-linux-i686-glibc23 mysql

cd mysql

scripts/mysql_install_db --user=mysql

chown -R root:mysql .

chown -R mysql data

cp support-files/mysql.server /etc/init.d/

chmod 755 /etc/init.d/mysql.server

update-rc.d mysql.server defaults

cd /usr/local/mysql/bin

mv * /usr/bin

cd ../

rm -fr /usr/local/mysql/bin

ln -s /usr/bin /usr/local/mysql/bin

Then we create the MySQL configuration file /etc/my.cnf on both nodes:

sql1.example.com / sql2.example.com:

vi /etc/my.cnf

[mysqld]

ndbcluster

# IP address of the cluster management node

ndb-connectstring=192.168.0.103

[mysql_cluster]

# IP address of the cluster management node

ndb-connectstring=192.168.0.103

Make sure you fill in the correct IP address of the MySQL cluster management server.

Next we create the data directories and start the MySQL server on both cluster nodes:

sql1.example.com / sql2.example.com:

mkdir /var/lib/mysql-cluster

cd /var/lib/mysql-cluster

ndbd --initial

/etc/init.d/mysql.server start

(Please note: we have to run ndbd --initial only when the start MySQL for the first time, and if /var/lib/mysql-cluster/config.ini on loadb1.example.com changes.)

Now is a good time to set a password for the MySQL root user:

sql1.example.com / sql2.example.com:

mysqladmin -u root password yourrootsqlpassword

We want to start the cluster nodes at boot time, so we create an ndbd init script and the appropriate system startup links:

sql1.example.com / sql2.example.com:

echo 'ndbd' > /etc/init.d/ndbd

chmod 755 /etc/init.d/ndbd

update-rc.d ndbd defaults

 
 
 
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