mysql 5.7 group replication 之七 [ERROR] [MY-011735] [Repl] Plugin group_replication reported

os: centos 7.4.1708
db: mysql 8.0.20

標題寫的是 mysql 5.7，實際使用的是 mysql 8

ip規劃入下

192.168.56.61  node1
192.168.56.62  node2
192.168.56.63  node3

版本

# cat /etc/centos-release
CentOS Linux release 7.4.1708 (Core) 
# 
# 
# yum list installed |grep -i mysql80
mysql-community-client.x86_64              8.0.20-1.el7                @mysql80-community
mysql-community-common.x86_64              8.0.20-1.el7                @mysql80-community
mysql-community-devel.x86_64               8.0.20-1.el7                @mysql80-community
mysql-community-libs.x86_64                8.0.20-1.el7                @mysql80-community
mysql-community-libs-compat.x86_64         8.0.20-1.el7                @mysql80-community
mysql-community-server.x86_64              8.0.20-1.el7                @mysql80-community
mysql-community-test.x86_64                8.0.20-1.el7                @mysql80-community
mysql80-community-release.noarch           el7-3                       installed

# mysql -e "select version();"
+-----------+
| version() |
+-----------+
| 8.0.20    |
+-----------+

group_replication 參數

# cat /etc/my.cnf

plugin_load_add='group_replication.so'

##########################
# group replication
##########################
transaction_write_set_extraction=XXHASH64
# show master status.Executed_Gtid_Set;
loose-group_replication_group_name="aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa"
loose-group_replication_bootstrap_group=off
loose-group_replication_start_on_boot=off
loose-group_replication_recovery_retry_count=31536000

# singe primary or multi primary mode 
loose-group_replication_single_primary_mode=on
loose-group_replication_enforce_update_everywhere_checks=off
loose-group_replication_local_address= "192.168.56.61:24901"
loose-group_replication_group_seeds="192.168.56.61:24901,192.168.56.62:24901,192.168.56.63:24901"
loose-group_replication_ip_whitelist="192.168.56.0/24,127.0.0.1/8"

error

3臺機器都重啓，在node1節點手動啓動 group replication 失敗

mysql> start group_replication;
ERROR 3092 (HY000): The server is not configured properly to be an active member of the group. Please see more details on error log.

查看日誌

# tail -f /var/log/mysqld.log

2020-07-03T00:38:41.484292Z 0 [ERROR] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Error on opening a connection to 192.168.56.62:24901 on local port: 24901.'
2020-07-03T00:38:41.484632Z 0 [ERROR] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Error on opening a connection to 192.168.56.63:24901 on local port: 24901.'
2020-07-03T00:38:41.485076Z 0 [ERROR] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Error on opening a connection to 192.168.56.62:24901 on local port: 24901.'
2020-07-03T00:38:41.485421Z 0 [ERROR] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Error on opening a connection to 192.168.56.63:24901 on local port: 24901.'
2020-07-03T00:38:41.485473Z 0 [ERROR] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Error connecting to all peers. Member join failed. Local port: 24901'
2020-07-03T00:38:42.597729Z 0 [ERROR] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] The member was unable to join the group. Local port: 24901'

發現需要在 node1 節點上設置下 group_replication_bootstrap_group = ON

SET GLOBAL group_replication_bootstrap_group = ON; 
start group_replication; 
SET GLOBAL group_replication_bootstrap_group = OFF;

其餘節點可以按照如下操作

stop group_replication; 
SET GLOBAL group_replication_bootstrap_group = OFF; 
# mysql 5.7 need set group_replication_allow_local_disjoint_gtids_join
# set global group_replication_allow_local_disjoint_gtids_join=on; 
start group_replication;

mysql> select * from performance_schema.replication_group_members;

+---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+
| CHANNEL_NAME              | MEMBER_ID                            | MEMBER_HOST | MEMBER_PORT | MEMBER_STATE | MEMBER_ROLE | MEMBER_VERSION |
+---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+
| group_replication_applier | 3eb9fbf6-bc59-11ea-98ff-080027b25b0c | node1       |        3306 | ONLINE       | PRIMARY     | 8.0.20         |
| group_replication_applier | 972d0ab4-bc5b-11ea-8597-080027e63b6a | node3       |        3306 | ONLINE       | SECONDARY   | 8.0.20         |
| group_replication_applier | f72957f5-bc5a-11ea-ae97-080027429574 | node2       |        3306 | ONLINE       | SECONDARY   | 8.0.20         |
+---------------------------+--------------------------------------+-------------+-------------+--------------+-------------+----------------+
3 rows in set (0.00 sec)