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=root
password=nihao123,
[mysqld]
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock
sql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
server_id = 01
gtid_mode = ON
enforce_gtid_consistency = ON
master_info_repository = TABLE
relay_log_info_repository = TABLE
binlog_checksum = NONE
log_slave_updates = ON
log_bin = binlog
binlog_format = ROW
transaction_write_set_extraction = XXHASH64
loose-group_replication_group_name = 'ce9be252-2b71-11e6-b8f4-00212844f856'
loose-group_replication_start_on_boot = off
loose-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 = off
loose-group_replication_single_primary_mode=FALSE
loose-group_replication_enforce_update_everywhere_checks= TRUE
slave_preserve_commit_order=on
slave_parallel_type=LOGICAL_CLOCK
symbolic-links=0
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
validate_password_length = 1
validate_password_policy = 0
validate_password_mixed_case_count = 2
group_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=root
password=nihao123,
[mysqld]
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock
sql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
server_id = 02
gtid_mode = ON
enforce_gtid_consistency = ON
master_info_repository = TABLE
relay_log_info_repository = TABLE
binlog_checksum = NONE
log_slave_updates = ON
log_bin = binlog
binlog_format = ROW
transaction_write_set_extraction = XXHASH64
loose-group_replication_group_name = 'ce9be252-2b71-11e6-b8f4-00212844f856'
loose-group_replication_start_on_boot = off
loose-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 = off
loose-group_replication_enforce_update_everywhere_checks= TRUE
loose-group_replication_single_primary_mode=FALSE
symbolic-links=0
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
validate_password_length = 1
validate_password_policy = 0
validate_password_mixed_case_count = 2
group_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=root
password=nihao123,
[mysqld]
datadir = /var/lib/mysql
socket = /var/lib/mysql/mysql.sock
sql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
server_id = 03
gtid_mode = ON
enforce_gtid_consistency = ON
master_info_repository = TABLE
relay_log_info_repository = TABLE
binlog_checksum = NONE
log_slave_updates = ON
log_bin = binlog
binlog_format = ROW
transaction_write_set_extraction = XXHASH64
loose-group_replication_group_name = 'ce9be252-2b71-11e6-b8f4-00212844f856'
loose-group_replication_start_on_boot = off
loose-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 = off
loose-group_replication_enforce_update_everywhere_checks= TRUE
loose-group_replication_single_primary_mode=FALSE
symbolic-links=0
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
validate_password_length = 1
validate_password_policy = 0
validate_password_mixed_case_count = 2
group_replication_ip_whitelist = '127.0.0.1/32,1.1.1.0/24,2.2.2.0/24'
super_read_only = 1

node13 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;

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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

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