Steps to Set Up MySQL Cluster For Multiple Dedicated Servers

Major aim to setup clustering MySQL is to have redundancy – you machine and applications will run smoothly even if one server goes down.

Notice: For better performance you should have a 3rd server as a management node but this can be shut down after the cluster starts. Also note that shutting down the management server is not recommended (see the extra notes at the bottom of this document for more information). You can not run a MySQL Cluster with just two Dedicated servers And have true redundancy.

You are able to set up the cluster on 2 Dedicated Servers you will not get the ability to “kill” one server and for the particular cluster to continue as normal. With this you need a third server running the particular management node.

Now below I had developed given the example for three web servers:

mysql1.
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domain. com – 192. 168. 0. 1
mysql2. domain. com – 192. 168. zero. 2
mysql3. domain. com – 192. 168. 0. 3

Web servers 1 and 2 will be the 2 that end up “clustered”. This would be ideal for two servers behind a load balancer or using round robin DNS and is a good replacement for replication. Machine 3 needs to have only minor modifications made to it and does NOT require a MySQL install. It can be a low-end machine and may be carrying out other tasks.

STAGE 1: Install MySQL on the initial two servers:

Complete the following steps on both mysql1 and mysql2:

cd /usr/local/
dev. mysql. com/get/Downloads/MySQL-4. 1/mysql-max-4. 1 . 9-pc-linux-gnu-i686. tar. gz/

from/signal42. com/mirrors/mysql/
groupadd mysql
useradd -g mysql
tar -zxvf mysql-max-4. 1 . 9-pc-linux-gnu-i686. tar. gz
rm mysql-max-4. 1 . 9-pc-linux-gnu-i686. tar. gz
ln -s mysql-max-4. 1 . 9-pc-linux-gnu-i686 mysql
cd mysql
scripts/mysql_install_db –user=mysql
chown -R root.
chown -R mysql data
chgrp -R mysql.
cp support-files/mysql. server /etc/rc. d/init. d/
chmod +x /etc/rc. d/init. d/mysql. server
chkconfig –add mysql. server

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