MariaDB Replikation (Ubuntu)

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Server A

Die Datei /etc/mysql/mariadb.conf.d/50-server.cnf editieren

sudo vi /etc/mysql/mariadb.conf.d/50-server.cnf

und folgende Zeilen hinzufügen/anpassen:

log-bin /var/log/mysql/mysql-bin.log
server_id=1
replicate-do-db=replicate
bind-address=10.0.0.157

Danach den Server neu starten:

sudo systemctl restart mariadb

CREATE USER 'master'@'%' IDENTIFIED BY '<password>';
GRANT REPLICATION SLAVE ON *.* TO 'master'@'%';
FLUSH PRIVILEGES;

SHOW MASTER STATUS;

+------------------+----------+--------------+------------------+
| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000001 |      774 |              |                  |
+------------------+----------+--------------+------------------+
1 row in set (0.000 sec)

Server B (10.0.0.167)

Die Datei /etc/mysql/mariadb.conf.d/50-server.cnf editieren

sudo vi /etc/mysql/mariadb.conf.d/50-server.cnf

und folgende Zeilen hinzufügen/anpassen:

log-bin /var/log/mysql/mysql-bin.log
server_id=2
replicate-do-db=replicate
bind-address=10.0.0.167

Danach den Server neu starten:

sudo systemctl restart mariadb

CREATE USER 'master'@'%' IDENTIFIED BY '<password>';
GRANT REPLICATION SLAVE ON *.* TO 'master'@'%';
FLUSH PRIVILEGES;

STOP SLAVE;

CHANGE MASTER TO MASTER_HOST = '10.0.0.157', MASTER_USER = 'master', MASTER_PASSWORD = '<password>', MASTER_LOG_FILE = 'mysql-bin.000001', MASTER_LOG_POS = 774;

START SLAVE;

SHOW MASTER STATUS;

+------------------+----------+--------------+------------------+
| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000001 |      774 |              |                  |
+------------------+----------+--------------+------------------+

Links

https://www.vpsserver.com/community/tutorials/9/setup-a-master-to-master-replication-between-two-mariadb-servers/

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