Difference between revisions of "Setting up MySQL Master-Slave replication"

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After installation, depending on distribution, find my.cnf and under mysqld add (or uncomment) : <br>
 
  
'''Server 1:'''
 
<pre>
 
[mysqld]
 
server_id          = 1
 
log_bin            = /var/lib/mysql/mysql-bin.log
 
log_bin_index      = /var/lib/mysql/mysql-bin.log.index
 
relay_log          = /var/lib/mysql/mysql-relay-bin
 
relay_log_index    = /var/lib/mysql/mysql-relay-bin.index
 
expire_logs_days    = 10
 
max_binlog_size    = 100M
 
log_slave_updates  = 1
 
auto-increment-increment = 2
 
auto-increment-offset = 1
 
</pre>
 
 
 
'''Server 2:'''
 
<pre>
 
[mysqld]
 
server_id          = 2
 
log_bin            = /var/lib/mysql/mysql-bin.log
 
log_bin_index      = /var/lib/mysql/mysql-bin.log.index
 
relay_log          = /var/lib/mysql/mysql-relay-bin
 
relay_log_index    = /var/lib/mysql/mysql-relay-bin.index
 
expire_logs_days    = 10
 
max_binlog_size    = 100M
 
log_slave_updates  = 1
 
auto-increment-increment = 2
 
auto-increment-offset = 2
 
</pre>
 
 
Update bind-address with your local servers ip:
 
<pre>
 
bind-address    = x.x.x.x
 
</pre>
 
 
Create user which is going to be used on slave (adding slave IP):
 
<syntaxhighlight lang="mysql">
 
GRANT REPLICATION SLAVE ON *.* TO 'repl'@'x.x.x.x' IDENTIFIED BY 'password';
 
</syntaxhighlight>
 

Latest revision as of 11:50, 30 August 2020