MYSQL 5.6复制实录--REPLICATION

Posted 2020-10-24

主库建议参数

server_id = 1

log_bin = mysql-bin

binlog_format = row

sync_binlog = 1

binlog_cache_size = 16M

max_binlog_cache_size = 32M

max_binlog_size = 512M

expire_logs_days = 7

master_info_repository = table

relay_log_info_repository = table

relay_log = relay-bin

relay_log_recovery = 1

创建主库完整备份

[[email protected] ~]# su - mysql

[[email protected] ~]$ ./xtrabackup_full.sh

[[email protected] ~]$ cd /usr/local/mysql/backup

[[email protected] backup]$ scp -r 2018-02-05_05-41-26 [email protected]:/usr/local/mysql/backup

[[email protected] ~]# mysql -uroot -pabcd.1234

mysql> grant replication slave on *.* to 'repl'@'192.168.1.%' identified by 'repl';

mysql> flush privileges;

备库建议参数

server_id = 2

log_bin = mysql-bin

binlog_format = row

sync_binlog = 1

binlog_cache_size = 16M

max_binlog_cache_size = 32M

max_binlog_size = 512M

expire_logs_days = 7

master_info_repository = table

relay_log_info_repository = table

relay_log = relay-bin

relay_log_recovery = 1

skip_slave_start

在备库恢复数据库

[[email protected] ~]# su - mysql

[[email protected] ~]$ innobackupex --defaults-file=/etc/my.cnf --apply-log /usr/local/mysql/backup/2018-02-05_05-41-26

[[email protected] ~]$ innobackupex --defaults-file=/etc/my.cnf --copy-back /usr/local/mysql/backup/2018-02-05_05-41-26

[[email protected] ~]# service mysqld start

[[email protected] ~]# service mysqld start

Starting MySQL.Logging to '/usr/local/mysql/data/mysql.err'.

.......                                                    [  OK  ]

[[email protected] ~]# cd /usr/local/mysql/backup/2018-02-05_05-41-26

[[email protected] 2018-02-05_05-41-26]# cat xtrabackup_binlog_info

mysql-bin.000007        23607448

[[email protected] ~]# mysql -uroot -pabcd.1234

mysql> change master to \

master_host='192.168.1.201', \

master_log_file='mysql-bin.000007', \

master_log_pos=23607448;

Query OK, 0 rows affected (0.29 sec)

mysql> start slave USER='repl' PASSWORD='repl';

Query OK, 0 rows affected, 1 warning (0.04 sec)

mysql> show slave status\G;

*************************** 1. row ***************************

               Slave_IO_State: Waiting for master to send event

                  Master_Host: 192.168.1.201

                  Master_User: repl

                  Master_Port: 3306

                Connect_Retry: 60

              Master_Log_File: mysql-bin.000007

          Read_Master_Log_Pos: 23607737

               Relay_Log_File: relay-bin.000002

                Relay_Log_Pos: 572

        Relay_Master_Log_File: mysql-bin.000007

             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: 23607737

              Relay_Log_Space: 739

              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: 2019c32c-0cf8-11e8-b217-0800272bd617

             Master_Info_File: mysql.slave_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: 0

1 row in set (0.00 sec)