MASTER（KING01）
[root@king01 ~]# vi /etc/my.cnf 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
[root@king01 ~]# mkdir -p /usr/local/mysql/backup [root@king01 ~]# chown -R mysql /usr/local/mysql/backup
[root@king01 ~]# su - mysql [mysql@king01 ~]$ vi xtrabackup_full.sh #!/bin/bash user='root' passwd='abcd.1234' my_config='/etc/my.cnf' backup_dir='/usr/local/mysql/backup' if [ -f ~/.bash_profile ]; then . ~/.bash_profile fi innobackupex --defaults-file=$my_config --user=$user --password=$passwd $backup_dir [mysql@king01 ~]$ chmod a+x xtrabackup_full.sh [mysql@king01 ~]$ ./xtrabackup_full.sh [mysql@king01 ~]$ cd /usr/local/mysql/backup [mysql@king01 backup]$ scp -r 2018-02-05_05-41-26 [email protected]:/usr/local/mysql/backup
[root@king01 ~]# mysql -uroot -pabcd.1234 mysql> grant replication slave on *.* to 'repl'@'192.168.1.%' identified by 'repl'; Query OK, 0 rows affected (0.11 sec) mysql> flush privileges; Query OK, 0 rows affected (0.05 sec)
SLAVE（KING02）
[root@king02 ~]# vi /etc/my.cnf 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
[root@king02 ~]# mkdir -p /usr/local/mysql/backup [root@king02 ~]# chown -R mysql /usr/local/mysql/backup [root@king02 ~]# chown -R mysql /usr/local/mysql/data/ [root@king02 ~]# cd /usr/local/mysql/data/ [root@king02 data]# rm -rf *
[root@king02 ~]# su - mysql [mysql@king02 ~]$ innobackupex --defaults-file=/etc/my.cnf --apply-log /usr/local/mysql/backup/2018-02-05_05-41-26 [mysql@king02 ~]$ innobackupex --defaults-file=/etc/my.cnf --copy-back /usr/local/mysql/backup/2018-02-05_05-41-26
[root@king02 ~]# service mysqld start Starting MySQL.Logging to '/usr/local/mysql/data/mysql.err'. ....... [ OK ]
[root@king02 ~]# cd /usr/local/mysql/backup/2018-02-05_05-41-26 [root@king02 2018-02-05_05-41-26]# cat xtrabackup_binlog_info mysql-bin.000006 146505795
[root@king02 ~]# mysql -uroot -pabcd.1234 mysql> change master to \ master_host='192.168.1.201', \ master_user='repl', \ master_password='repl', \ master_log_file='mysql-bin.000006', \ master_log_pos=146505795; Query OK, 0 rows affected, 2 warnings (0.05 sec) mysql> start slave; Query OK, 0 rows affected (0.03 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.000006 Read_Master_Log_Pos: 146506084 Relay_Log_File: relay-bin.000002 Relay_Log_Pos: 572 Relay_Master_Log_File: mysql-bin.000006 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: 146506084 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: a7c3a6e9-254f-11e8-90d3-0800272bd617 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 (0.03 sec)
半同步複製
[root@king01 ~]# mysql -uroot -pabcd.1234 mysql> install plugin rpl_semi_sync_master soname 'semisync_master.so'; Query OK, 0 rows affected (0.16 sec) [root@king01 ~]# vi /etc/my.cnf rpl_semi_sync_master_enabled=1 rpl_semi_sync_master_timeout=3000
[root@king02 ~]# mysql -uroot -pabcd.1234 mysql> install plugin rpl_semi_sync_slave soname 'semisync_slave.so'; Query OK, 0 rows affected (0.11 sec) [root@king02 ~]# vi /etc/my.cnf rpl_semi_sync_slave_enabled=1
[root@king02 ~]# service mysqld restart Shutting down MySQL.. [ OK ] Starting MySQL......... [ OK ] [root@king01 ~]# service mysqld restart Shutting down MySQL.. [ OK ] Starting MySQL.... [ OK ]
root@king01 ~]# mysql -uroot -pabcd.1234 mysql> show status like 'rpl_semi_sync%'; +--------------------------------------------+---------+ | Variable_name | Value | +--------------------------------------------+---------+ | Rpl_semi_sync_master_clients | 1 | | Rpl_semi_sync_master_net_avg_wait_time | 1542 | | Rpl_semi_sync_master_net_wait_time | 538362 | | Rpl_semi_sync_master_net_waits | 349 | | Rpl_semi_sync_master_no_times | 0 | | Rpl_semi_sync_master_no_tx | 0 | | Rpl_semi_sync_master_status | ON | | Rpl_semi_sync_master_timefunc_failures | 0 | | Rpl_semi_sync_master_tx_avg_wait_time | 9083 | | Rpl_semi_sync_master_tx_wait_time | 2779470 | | Rpl_semi_sync_master_tx_waits | 306 | | Rpl_semi_sync_master_wait_pos_backtraverse | 0 | | Rpl_semi_sync_master_wait_sessions | 0 | | Rpl_semi_sync_master_yes_tx | 357 | +--------------------------------------------+---------+ 14 rows in set (0.07 sec)