Les GTID (Global Transaction Identifiers) sont apparus dans la version 5.6.5 de MySQL.
C'est cette réplication qui est décrite ici. Par défaut, les GTIDs ne sont pas activés.
Serveur MASTER :
# rm -f /var/lib/mysql/vmmysql02-binlog* # service mysql stop Shutting down MySQL.. SUCCESS! vi /usr/my.cnf server-id = 1 log-bin = vmmysql02-binlog gtid-mode = on log-slave-updates = on enforce-gtid-consistency = on # service mysql start Starting MySQL. SUCCESS! create user 'repl'@'%' identified by 'repl'; Query OK, 0 rows affected (0,01 sec) grant replication slave on *.* to 'repl'@'%'; Query OK, 0 rows affected (0,00 sec)
Serveur SLAVE :
# service mysql stop Shutting down MySQL.. SUCCESS! vi /usr/my.cnf server-id = 2 log-bin = vmmysql03-binlog gtid-mode = on log-slave-updates = on enforce-gtid-consistency = on # service mysql start Starting MySQL. SUCCESS!
Serveur MASTER :
mysql> flush tables with read lock; Query OK, 0 rows affected (0,00 sec) (autre session) # mysqladmin -u root -p shutdown # cd /var/lib/mysql # tar cf /tmp/data.tar * # service mysql start Starting MySQL.. SUCCESS!
Serveur SLAVE :
# service mysql stop Shutting down MySQL.. SUCCESS! # scp 192.168.56.132:/tmp/data.tar /tmp root@192.168.56.132's password: data.tar 100% 175MB 58.3MB/s 00:03 cd /var/lib/mysql # tar cf /tmp/data_backup.tar * # rm -rf * # tar xf /tmp/data.tar # rm -f vmmysql02-binlog* *err auto.cnf # service mysql start Starting MySQL.. SUCCESS!
Serveur SLAVE :
change master to master_host = '192.168.56.132', master_port = 3306, master_user = 'repl', master_password = 'repl', master_auto_position = 1 ; Query OK, 0 rows affected, 2 warnings (0,05 sec) mysql> show warnings; +-------+------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Level | Code | Message | +-------+------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Note | 1759 | Sending passwords in plain text without SSL/TLS is extremely insecure. | | Note | 1760 | Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information. | +-------+------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 2 rows in set (0,00 sec) mysql> start slave; Query OK, 0 rows affected (0,04 sec)
Serveur MASTER :
mysql> show master status\G *************************** 1. row *************************** File: vmmysql02-binlog.000003 Position: 120 Binlog_Do_DB: Binlog_Ignore_DB: Executed_Gtid_Set: 1 row in set (0,00 sec) mysql> show slave hosts\G *************************** 1. row *************************** Server_id: 2 Host: Port: 3306 Master_id: 1 Slave_UUID: b02ffcf6-02f8-11e6-a63c-080027f36211 1 row in set (0,00 sec)
Serveur SLAVE :
mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.56.132 Master_User: repl Master_Port: 3306 Connect_Retry: 60 Master_Log_File: vmmysql02-binlog.000002 Read_Master_Log_Pos: 151 Relay_Log_File: vmmysql03-relay-bin.000002 Relay_Log_Pos: 375 Relay_Master_Log_File: vmmysql02-binlog.000002 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 151 Relay_Log_Space: 583 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 1 Master_UUID: b5a80632-8cb0-11e5-a2f1-080027f36211 Master_Info_File: /var/lib/mysql/master.info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: Auto_Position: 1 1 row in set (0,00 sec)