Master側での操作
#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
#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>