Master側での操作
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#バックアップ取得 「-–master-data」オプションを付与することで、dump時のバイナリログ名、ポジションが記録される [root@mysql-01 ~]# mysqldump --all-databases --add-drop-table --master-data -p > dump.db Enter password: #「CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000149', MASTER_LOG_POS=2793970;」を確認 [root@mysql-01 ~]# head -25 dump.db -- MySQL dump 10.13 Distrib 5.7.21, for Linux (x86_64) -- -- Host: localhost Database: -- ------------------------------------------------------ -- Server version 5.7.21-log /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; /*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; /*!40101 SET NAMES utf8 */; /*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */; /*!40103 SET TIME_ZONE='+00:00' */; /*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */; /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; -- -- Position to start replication or point-in-time recovery from -- CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000149', MASTER_LOG_POS=2793970; -- -- Current Database: `mysql` [root@mysql-01 ~]# |
Slave側での操作
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#ログインしslaveを停止 [root@mysql-02 ~]# mysql -uroot -p Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 80212 Server version: 5.7.21-log MySQL Community Server (GPL) Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> stop slave; #dumpファイルをリストア(scpか何かで持ってくる) [root@mysql-02 ~]# mysql -uroot -p < dump.db Enter password: [root@mysql-02 ~]# #MySQLへログインし直し、上で確認したログファイル、ポジションを指定しCHANGE MASTER TOを発行 mysql> CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000149',MASTER_LOG_POS=2793970; Query OK, 0 rows affected (0.01 sec) #slaveを再開 mysql> start slave; Query OK, 0 rows affected (0.00 sec) #同期していることを確認 mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.0.1 Master_User: repl Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000149 Read_Master_Log_Pos: 2802319 Relay_Log_File: mysql-02-relay-bin.000002 Relay_Log_Pos: 8669 Relay_Master_Log_File: mysql-bin.000149 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: 2802319 Relay_Log_Space: 8888 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: 1001 Master_UUID: b6e9a4e5-3e54-11e8-93fa-005056914f93 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 more updates 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: 0 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: 1 row in set (0.00 sec) mysql> |