myql 5.7.21 GTID 组复制
| hostname | IP | 角色 |
|---|---|---|
| node13 | 1.1.1.13 | master1 |
| node14 | 1.1.1.14 | master2 |
| node15 | 1.1.1.15 | master3 |
[mysql]prompt=\\u@\\h:\\d \\R:\\m:\\s>user=rootpassword=nihao123,[mysqld]datadir = /var/lib/mysqlsocket = /var/lib/mysql/mysql.socksql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLESserver_id = 01gtid_mode = ONenforce_gtid_consistency = ONmaster_info_repository = TABLErelay_log_info_repository = TABLEbinlog_checksum = NONElog_slave_updates = ONlog_bin = binlogbinlog_format = ROWtransaction_write_set_extraction = XXHASH64loose-group_replication_group_name = 'ce9be252-2b71-11e6-b8f4-00212844f856'loose-group_replication_start_on_boot = offloose-group_replication_local_address = '1.1.1.13:33061'loose-group_replication_group_seeds = '1.1.1.13:33061,1.1.1.14:33061,1.1.1.15:33061'loose-group_replication_bootstrap_group = offloose-group_replication_single_primary_mode=FALSEloose-group_replication_enforce_update_everywhere_checks= TRUEslave_preserve_commit_order=onslave_parallel_type=LOGICAL_CLOCKsymbolic-links=0log-error=/var/log/mysqld.logpid-file=/var/run/mysqld/mysqld.pidvalidate_password_length = 1validate_password_policy = 0validate_password_mixed_case_count = 2group_replication_ip_whitelist = '127.0.0.1/32,1.1.1.0/24,2.2.2.0/24'[mysql]prompt=\\u@\\h:\\d \\R:\\m:\\s>user=rootpassword=nihao123,[mysqld]datadir = /var/lib/mysqlsocket = /var/lib/mysql/mysql.socksql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLESserver_id = 02gtid_mode = ONenforce_gtid_consistency = ONmaster_info_repository = TABLErelay_log_info_repository = TABLEbinlog_checksum = NONElog_slave_updates = ONlog_bin = binlogbinlog_format = ROWtransaction_write_set_extraction = XXHASH64loose-group_replication_group_name = 'ce9be252-2b71-11e6-b8f4-00212844f856'loose-group_replication_start_on_boot = offloose-group_replication_local_address = '1.1.1.14:33061'loose-group_replication_group_seeds = '1.1.1.13:33061,1.1.1.14:33061,1.1.1.15:33061'loose-group_replication_bootstrap_group = offloose-group_replication_enforce_update_everywhere_checks= TRUEloose-group_replication_single_primary_mode=FALSEsymbolic-links=0log-error=/var/log/mysqld.logpid-file=/var/run/mysqld/mysqld.pidvalidate_password_length = 1validate_password_policy = 0validate_password_mixed_case_count = 2group_replication_ip_whitelist = '127.0.0.1/32,1.1.1.0/24,2.2.2.0/24'[mysql]prompt=\\u@\\h:\\d \\R:\\m:\\s>user=rootpassword=nihao123,[mysqld]datadir = /var/lib/mysqlsocket = /var/lib/mysql/mysql.socksql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLESserver_id = 03gtid_mode = ONenforce_gtid_consistency = ONmaster_info_repository = TABLErelay_log_info_repository = TABLEbinlog_checksum = NONElog_slave_updates = ONlog_bin = binlogbinlog_format = ROWtransaction_write_set_extraction = XXHASH64loose-group_replication_group_name = 'ce9be252-2b71-11e6-b8f4-00212844f856'loose-group_replication_start_on_boot = offloose-group_replication_local_address = '1.1.1.15:33061'loose-group_replication_group_seeds = '1.1.1.13:33061,1.1.1.14:33061,1.1.1.15:33061'loose-group_replication_bootstrap_group = offloose-group_replication_enforce_update_everywhere_checks= TRUEloose-group_replication_single_primary_mode=FALSEsymbolic-links=0log-error=/var/log/mysqld.logpid-file=/var/run/mysqld/mysqld.pidvalidate_password_length = 1validate_password_policy = 0validate_password_mixed_case_count = 2group_replication_ip_whitelist = '127.0.0.1/32,1.1.1.0/24,2.2.2.0/24'super_read_only = 1node13 配置如下：
set sql_log_bin=0;
create user rpl_user@'%';
grant replication slave on . to rpl_user@'%' identified by 'rpl_pass';
flush privileges;
set sql_log_bin=1;
change master to master_user='rpl_user',master_password='rpl_pass' for channel 'group_replication_recovery';
install PLUGIN group_replication SONAME 'group_replication.so';
set global group_replication_bootstrap_group=ON;
start group_replication;
set global group_replication_bootstrap_group=OFF;
select * from performance_schema.replication_group_members;
node14 配置如下：
set sql_log_bin=0;
set global group_replication_bootstrap_group=on;
grant replication slave on . to rpl_user@'%' identified by 'rpl_pass';
set sql_log_bin=1;
change master to master_user='rpl_user',master_password='rpl_pass' for channel 'group_replication_recovery';
install plugin group_replication SONAME 'group_replication.so';
set global group_replication_allow_local_disjoint_gtids_join=ON;
set global group_replication_single_primary_mode=off;
start group_replication;
node15 配置如下：
set sql_log_bin=0;
set global group_replication_bootstrap_group=on;
grant replication slave on . to rpl_user@'%' identified by 'rpl_pass';
set sql_log_bin=1;
change master to master_user='rpl_user',master_password='rpl_pass' for channel 'group_replication_recovery';
install plugin group_replication SONAME 'group_replication.so';
set global group_replication_allow_local_disjoint_gtids_join=ON;
set global group_replication_single_primary_mode=off;
start group_replication;
参考：
http://blog.itpub.net/29773961/viewspace-2133314/
https://wuguiyunwei.com/index.php/2017/06/08/836.html
