include/master-slave.inc [connection master] # # MDEV-33342 Add a replication MTR test cloning the slave with mariadb-backup # connection slave; stop slave; change master to master_use_gtid=no; start slave; connection master; connection slave; ############################################################## ### Initial block with some transactions ### Slave: Make sure replication is not using GTID connection slave; # Using_Gtid=No ### Master: Create and populate t1 connection master; CREATE TABLE t1(a TEXT) ENGINE=InnoDB; START TRANSACTION; INSERT INTO t1 VALUES ('tr#00:stmt#00 - slave run#0, before backup'); INSERT INTO t1 VALUES ('tr#00:stmt#01 - slave run#0, before backup'); INSERT INTO t1 VALUES ('tr#00:stmt#02 - slave run#0, before backup'); COMMIT; connection slave; ############################################################## ### Run the last transaction before mariadb-backup --backup ### Remember SHOW MASTER STATUS and @@gtid_binlog_pos ### before and after the transaction. ### Master: Rember MASTER STATUS and @@gtid_binlog_pos before tr#01 connection master; ### Slave: Remember MASTER STATUS and @@gtid_binlog_pos before tr#01 connection slave; ### Master: Run the actual last transaction before the backup connection master; START TRANSACTION; INSERT INTO t1 VALUES ('tr#01:stmt#00 - slave run#0, before backup'); INSERT INTO t1 VALUES ('tr#01:stmt#01 - slave run#0, before backup'); INSERT INTO t1 VALUES ('tr#01:stmt#02 - slave run#0, before backup'); COMMIT; connection slave; ### Master: Remember MASTER STATUS and @@gtid_binlog_pos after tr#01 connection master; ### Slave: Remember MASTER STATUS and @@gtid_binlog_pos after tr#01 connection slave; ############################################################## ### Running `mariadb-backup --backup,--prepare` and checking ### that xtrabackup_slave_info and xtrabackup_binlog_info are OK ### Slave: Create a backup ### Slave: Prepare the backup ### Slave: xtrabackup files: ############################ xtrabackup_slave_info CHANGE MASTER TO MASTER_LOG_FILE='master_after_tr01_show_master_status_file', MASTER_LOG_POS=master_after_tr01_show_master_status_position; ############################ xtrabackup_binlog_info slave_after_tr01_show_master_status_file slave_after_tr01_show_master_status_position slave_after_tr01_gtid_binlog_pos ############################ ############################################################## ### Run more transactions after the backup: ### - while the slave is still running, then ### - while the slave is shut down ### Master: Run another transaction while the slave is still running connection master; START TRANSACTION; INSERT INTO t1 VALUES ('tr#02:stmt#00 - slave run#0, after backup'); INSERT INTO t1 VALUES ('tr#02:stmt#01 - slave run#0, after backup'); INSERT INTO t1 VALUES ('tr#02:stmt@02 - slave run#0, after backup'); COMMIT; connection slave; ### Master: Remember MASTER STATUS and @@gtid_binlog_pos after tr#02 connection master; ### Slave: Remember MASTER STATUS and @@gtid_binlog_pos after tr#02 connection slave; ### Master: Checking SHOW BINLOG EVENTS connection master; SHOW BINLOG EVENTS IN 'master_after_tr01_show_master_status_file' FROM master_after_tr01_show_master_status_position LIMIT 0,1; Log_name master_after_tr01_show_master_status_file Pos master_after_tr01_show_master_status_position Event_type Gtid Server_id # End_log_pos # Info BEGIN GTID master_after_tr02_gtid_binlog_pos SHOW BINLOG EVENTS IN 'master_after_tr01_show_master_status_file' FROM master_after_tr01_show_master_status_position LIMIT 1,1; Log_name master_after_tr01_show_master_status_file Pos # Event_type Query_or_Annotate_rows Server_id # End_log_pos # Info INSERT INTO t1 VALUES ('tr#02:stmt#00 - slave run#0, after backup') ### Slave: Checking SHOW BINLOG EVENTS connection slave; SHOW BINLOG EVENTS IN 'slave_after_tr01_show_master_status_file' FROM slave_after_tr01_show_master_status_position LIMIT 0,1; Log_name slave_after_tr01_show_master_status_file Pos # Event_type Gtid Server_id 1 End_log_pos # Info BEGIN GTID slave_after_tr02_gtid_binlog_pos SHOW BINLOG EVENTS IN 'slave_after_tr01_show_master_status_file' FROM slave_after_tr01_show_master_status_position LIMIT 1,1; Log_name slave_after_tr01_show_master_status_file Pos # Event_type Query_or_Annotate_rows Server_id # End_log_pos # Info INSERT INTO t1 VALUES ('tr#02:stmt#00 - slave run#0, after backup') ### Slave: Stop replication connection slave; STOP SLAVE; include/wait_for_slave_to_stop.inc RESET SLAVE; Warnings: Note 4190 RESET SLAVE is implicitly changing the value of 'Using_Gtid' from 'No' to 'Slave_Pos' ### Slave: Shutdown the server include/rpl_stop_server.inc [server_number=2] ### Master: Run a transaction while the slave is shut down connection master; START TRANSACTION; INSERT INTO t1 VALUES ('tr#03:stmt#00 - after slave run#0, slave is shut down, after backup'); INSERT INTO t1 VALUES ('tr#03:stmt#01 - after slave run#0, slave is shut down, after backup'); INSERT INTO t1 VALUES ('tr#03:stmt#02 - after slave run#0, slave is shut down, after backup'); COMMIT; ############################################################## ### Emulate starting a new virgin slave ### Slave: Remove the data directory ### Slave: Copy back the backup ### Slave: Restart the server include/rpl_start_server.inc [server_number=2] ### Slave: Display the restored data before START SLAVE connection slave; SELECT * FROM t1 ORDER BY a; a tr#00:stmt#00 - slave run#0, before backup tr#00:stmt#01 - slave run#0, before backup tr#00:stmt#02 - slave run#0, before backup tr#01:stmt#00 - slave run#0, before backup tr#01:stmt#01 - slave run#0, before backup tr#01:stmt#02 - slave run#0, before backup ### Slave: Execute the CHANGE MASTER statement to set up the host and port CHANGE MASTER '' TO MASTER_USER='root', MASTER_HOST='127.0.0.1', MASTER_PORT=###, MASTER_CONNECT_RETRY=1; ### Slave: Execute the CHANGE MASTER statement from xtrabackup_slave_info CHANGE MASTER TO MASTER_LOG_FILE='master_after_tr01_show_master_status_file', MASTER_LOG_POS=master_after_tr01_show_master_status_position; Warnings: Note 4190 CHANGE MASTER TO is implicitly changing the value of 'Using_Gtid' from 'Slave_Pos' to 'No' ### Slave: Execute START SLAVE include/start_slave.inc ### Master: Wait for the slave to apply all master events connection master; connection slave; ### Slave: Make sure replication is not using GTID after the slave restart connection slave; # Using_Gtid=No ### Slave: Display the restored data after START SLAVE connection slave; SELECT * FROM t1 ORDER BY a; a tr#00:stmt#00 - slave run#0, before backup tr#00:stmt#01 - slave run#0, before backup tr#00:stmt#02 - slave run#0, before backup tr#01:stmt#00 - slave run#0, before backup tr#01:stmt#01 - slave run#0, before backup tr#01:stmt#02 - slave run#0, before backup tr#02:stmt#00 - slave run#0, after backup tr#02:stmt#01 - slave run#0, after backup tr#02:stmt@02 - slave run#0, after backup tr#03:stmt#00 - after slave run#0, slave is shut down, after backup tr#03:stmt#01 - after slave run#0, slave is shut down, after backup tr#03:stmt#02 - after slave run#0, slave is shut down, after backup ############################################################## ### Continue master transactions, check the new slave replicates well. ### Master: Run a transaction after restarting replication connection master; START TRANSACTION; INSERT INTO t1 VALUES ('tr#04:stmt#00 - slave run#1'); INSERT INTO t1 VALUES ('tr#04:stmt#01 - slave run#1'); INSERT INTO t1 VALUES ('tr#04:stmt#02 - slave run#1'); COMMIT; connection slave; ### Slave: Display the restored data + new transactions connection slave; SELECT * FROM t1 ORDER BY a; a tr#00:stmt#00 - slave run#0, before backup tr#00:stmt#01 - slave run#0, before backup tr#00:stmt#02 - slave run#0, before backup tr#01:stmt#00 - slave run#0, before backup tr#01:stmt#01 - slave run#0, before backup tr#01:stmt#02 - slave run#0, before backup tr#02:stmt#00 - slave run#0, after backup tr#02:stmt#01 - slave run#0, after backup tr#02:stmt@02 - slave run#0, after backup tr#03:stmt#00 - after slave run#0, slave is shut down, after backup tr#03:stmt#01 - after slave run#0, slave is shut down, after backup tr#03:stmt#02 - after slave run#0, slave is shut down, after backup tr#04:stmt#00 - slave run#1 tr#04:stmt#01 - slave run#1 tr#04:stmt#02 - slave run#1 ############################################################## ### Cleanup ### Removing the backup directory connection master; DROP TABLE t1; connection slave; include/rpl_end.inc