
MariaDB Cookbook
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Setting up replication is not hard as long as all the various bits are in place. This recipe is all about the most basic concept of replication topologies; a single master server replicating to multiple slaves is shown in the following diagram:
This recipe assumes that we have three servers. The servers are named db01
, db02
, and db03
, and they reside on the 192.168.4.0
network with IP addresses 192.168.4.101
.to 192.168.4.103
. One server, db01
, will be our replication master, and the other two will be our replication slaves.
For the purposes of this recipe, the servers are assumed to contain fresh installs of MariaDB, with just the default databases set up.
On all three hosts, launch the mysql
command-line client and connect to the local MariaDB server with the root
user (or another user with the GRANT
privilege) and run the following command:
GRANT REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO replicant@'192.168.4.%' IDENTIFIED BY 'sup3rs3kr37p455w0rd...
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