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You're reading from  MariaDB Cookbook

Product typeBook
Published inMar 2014
Reading LevelBeginner
Publisher
ISBN-139781783284399
Edition1st Edition
Languages
SQL
Tools
MariaDB
Concepts
Databases
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Author (1)
Daniel Bartholomew
Daniel Bartholomew
author image
Daniel Bartholomew

Daniel Bartholomew has been using Linux since 1997 and databases since 1998. In addition to this book, he has also written MariaDB Cookbook, Packt Publishing, and dozens of articles for various magazines, including The Linux Journal, Linux Pro, Ubuntu User, and Tux. He became involved with the MariaDB project shortly after it began in early 2009 and continues to be involved to this day. He currently works for MariaDB, Inc. and splits his time between managing MariaDB releases, documentation, and maintaining various bits and pieces that keep the MariaDB project running smoothly.
Read more about Daniel Bartholomew

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Using multisource replication

A familiar replication topology is one where we have a single master server and several slave servers. Another alternative topology is where we have a single slave server connected to multiple master servers. This is called multisource replication.

Getting ready

For this recipe, we'll be working on the assumption that we have three servers, db01, db02, and db03, which are each running a fresh install of MariaDB. The first two will be our replication masters, and the last one will be our replication slave as shown in the following diagram:

We'll further assume that all three servers are on the same subnet, 192.168.4.0, with the final part of their individual IP addresses being 101, 102, and 103, respectively.

How to do it...

  1. On all three servers, launch the mysql command-line client and run the following command to add our replication user:

    GRANT REPLICATION SLAVE, REPLICATION CLIENT ON *.*
  TO replicant@'192.168.4.%' IDENTIFIED BY 'sup3rs3kr37p455w0rd';

  2. Quit the...

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MariaDB Cookbook
Published in: Mar 2014Publisher: ISBN-13: 9781783284399
© 2014 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Daniel Bartholomew

Daniel Bartholomew has been using Linux since 1997 and databases since 1998. In addition to this book, he has also written MariaDB Cookbook, Packt Publishing, and dozens of articles for various magazines, including The Linux Journal, Linux Pro, Ubuntu User, and Tux. He became involved with the MariaDB project shortly after it began in early 2009 and continues to be involved to this day. He currently works for MariaDB, Inc. and splits his time between managing MariaDB releases, documentation, and maintaining various bits and pieces that keep the MariaDB project running smoothly.
Read more about Daniel Bartholomew

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