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Percona XtraDB Cluster(PXC 5.7)

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**Percona XtraDB Cluster(PXC 5.7)

#配置pxc清华yum源并安装
[root@pxc1 ~]#vim /etc/yum.repos.d/pxc.repo
[percona]
name=percona_repo
baseurl =https://mirrors.tuna.tsinghua.edu.cn/percona/release/$releasever/RPMS/$basearch
enabled = 1
gpgcheck = 0

[root@pxc1 ~]#scp /etc/yum.repos.d/pxc.repo 10.0.0.17:/etc/yum.repos.d/
[root@pxc1 ~]#scp /etc/yum.repos.d/pxc.repo 10.0.0.27:/etc/yum.repos.d/
[root@pxc1 ~]#scp /etc/yum.repos.d/pxc.repo 10.0.0.37:/etc/yum.repos.d/

[root@pxc1 ~]#yum install Percona-XtraDB-Cluster-57 -y
[root@pxc2 ~]#yum install Percona-XtraDB-Cluster-57 -y
[root@pxc3 ~]#yum install Percona-XtraDB-Cluster-57 -y
[root@pxc4 ~]#yum install Percona-XtraDB-Cluster-57 -y

#配置各个节点mysql和集群配置文件
[root@pxc1 ~]#vim  /etc/percona-xtradb-cluster.conf.d/mysqld.cnf
[mysqld]
server-id=7
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
log-bin
log_slave_updates
expire_logs_days=7

[root@pxc2 ~]#vim  /etc/percona-xtradb-cluster.conf.d/mysqld.cnf
[mysqld]
server-id=17
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
log-bin
log_slave_updates
expire_logs_days=7

[root@pxc3 ~]#vim  /etc/percona-xtradb-cluster.conf.d/mysqld.cnf
[mysqld]
server-id=27
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
log-bin
log_slave_updates
expire_logs_days=7

[root@pxc4 ~]#vim  /etc/percona-xtradb-cluster.conf.d/mysqld.cnf
[mysqld]
server-id=37
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
log-bin
log_slave_updates
expire_logs_days=7

[root@pxc1 ~]#vim /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
[root@pxc1 ~]#grep -Ev "^#|^$" /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
[mysqld]
wsrep_provider=/usr/lib64/galera3/libgalera_smm.so
wsrep_cluster_address=gcomm://10.0.0.7,10.0.0.17,10.0.0.27
binlog_format=ROW
default_storage_engine=InnoDB
wsrep_slave_threads= 8
wsrep_log_conflicts
innodb_autoinc_lock_mode=2
wsrep_node_address=10.0.0.7
wsrep_cluster_name=pxc-cluster
wsrep_node_name=pxc-cluster-node-1
pxc_strict_mode=ENFORCING
wsrep_sst_method=xtrabackup-v2
wsrep_sst_auth="sstuser:s3cretPass"

[root@pxc2 ~]#vim /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
[root@pxc2 ~]#
[root@pxc2 ~]#grep -Ev "^#|^$" /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
[mysqld]
wsrep_provider=/usr/lib64/galera3/libgalera_smm.so
wsrep_cluster_address=gcomm://10.0.0.7,10.0.0.17,10.0.0.27
binlog_format=ROW
default_storage_engine=InnoDB
wsrep_slave_threads= 8
wsrep_log_conflicts
innodb_autoinc_lock_mode=2
wsrep_node_address=10.0.0.17
wsrep_cluster_name=pxc-cluster
wsrep_node_name=pxc-cluster-node-2
pxc_strict_mode=ENFORCING
wsrep_sst_method=xtrabackup-v2
wsrep_sst_auth="sstuser:s3cretPass"

[root@pxc3 ~]#vim /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
[root@pxc3 ~]#grep -Ev "^#|^$" /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
[mysqld]
wsrep_provider=/usr/lib64/galera3/libgalera_smm.so
wsrep_cluster_address=gcomm://10.0.0.7,10.0.0.17,10.0.0.27
binlog_format=ROW
default_storage_engine=InnoDB
wsrep_slave_threads= 8
wsrep_log_conflicts
innodb_autoinc_lock_mode=2
wsrep_node_address=10.0.0.27
wsrep_cluster_name=pxc-cluster
wsrep_node_name=pxc-cluster-node-3
pxc_strict_mode=ENFORCING
wsrep_sst_method=xtrabackup-v2
wsrep_sst_auth="sstuser:s3cretPass"

#启动PXC集群中第一个节点
[root@pxc1 ~]#systemctl start mysql@bootstrap.service
[root@pxc1 ~]#ss -ntl
State      Recv-Q Send-Q Local Address:Port                Peer Address:Port              
LISTEN     0      128                *:22                             *:*                  
LISTEN     0      128                *:4567                           *:*                  
LISTEN     0      100        127.0.0.1:25                             *:*                  
LISTEN     0      128             [::]:22                          [::]:*                  
LISTEN     0      100            [::1]:25                          [::]:*                  
LISTEN     0      80              [::]:3306                        [::]:* 

[root@pxc1 ~]#grep "temporary password" /var/log/mysqld.log
2020-10-17T06:59:53.765387Z 1 [Note] A temporary password is generated for root@localhost: Vkyf+nVci9wW
[root@pxc1 ~]#mysql -uroot -pVkyf+nVci9wW
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 5.7.31-34-57-log

Copyright (c) 2009-2020 Percona LLC and/or its affiliates
Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql> alter user root@‘localhost‘ identified by ‘magedu‘;
Query OK, 0 rows affected (0.00 sec)

mysql> grant reload,lock tables,process,replication client on *.* to sstuser@‘localhost‘ identified by ‘s3cretPass‘;
Query OK, 0 rows affected, 1 warning (0.01 sec)

mysql> show variables like ‘wsrep%‘\G
*************************** 1. row ***************************
Variable_name: wsrep_OSU_method
        Value: TOI
*************************** 2. row ***************************
Variable_name: wsrep_RSU_commit_timeout
        Value: 5000
*************************** 3. row ***************************
Variable_name: wsrep_auto_increment_control
        Value: ON
*************************** 4. row ***************************
Variable_name: wsrep_causal_reads
        Value: OFF
*************************** 5. row ***************************
Variable_name: wsrep_certification_rules
        Value: strict
*************************** 6. row ***************************
Variable_name: wsrep_certify_nonPK
        Value: ON
*************************** 7. row ***************************
Variable_name: wsrep_cluster_address
        Value: gcomm://10.0.0.7,10.0.0.17,10.0.0.27
*************************** 8. row ***************************
Variable_name: wsrep_cluster_name
        Value: pxc-cluster
*************************** 9. row ***************************
Variable_name: wsrep_convert_LOCK_to_trx
        Value: OFF
*************************** 10. row ***************************
Variable_name: wsrep_data_home_dir
        Value: /var/lib/mysql/
*************************** 11. row ***************************
Variable_name: wsrep_dbug_option
        Value: 
*************************** 12. row ***************************
Variable_name: wsrep_debug
        Value: OFF
*************************** 13. row ***************************
Variable_name: wsrep_desync
        Value: OFF
*************************** 14. row ***************************
Variable_name: wsrep_dirty_reads
        Value: OFF
*************************** 15. row ***************************
Variable_name: wsrep_drupal_282555_workaround
        Value: OFF
*************************** 16. row ***************************
Variable_name: wsrep_forced_binlog_format
        Value: NONE
*************************** 17. row ***************************
Variable_name: wsrep_load_data_splitting
        Value: ON
*************************** 18. row ***************************
Variable_name: wsrep_log_conflicts
        Value: ON
*************************** 19. row ***************************
Variable_name: wsrep_max_ws_rows
        Value: 0
*************************** 20. row ***************************
Variable_name: wsrep_max_ws_size
        Value: 2147483647
*************************** 21. row ***************************
Variable_name: wsrep_node_address
        Value: 10.0.0.7
*************************** 22. row ***************************
Variable_name: wsrep_node_incoming_address
        Value: AUTO
*************************** 23. row ***************************
Variable_name: wsrep_node_name
        Value: pxc-cluster-node-1
*************************** 24. row ***************************
Variable_name: wsrep_notify_cmd
        Value: 
*************************** 25. row ***************************
Variable_name: wsrep_on
        Value: ON
*************************** 26. row ***************************
Variable_name: wsrep_preordered
        Value: OFF
*************************** 27. row ***************************
Variable_name: wsrep_provider
        Value: /usr/lib64/galera3/libgalera_smm.so
*************************** 28. row ***************************
Variable_name: wsrep_provider_options
        Value: base_dir = /var/lib/mysql/; base_host = 10.0.0.7; base_port = 4567; cert.log_conflicts = no; cert.optimistic_pa = yes; debug = no; evs.auto_evict = 0; evs.causal_keepalive_period = PT1S; evs.debug_log_mask = 0x1; evs.delay_margin = PT1S; evs.delayed_keep_period = PT30S; evs.inactive_check_period = PT0.5S; evs.inactive_timeout = PT15S; evs.info_log_mask = 0; evs.install_timeout = PT7.5S; evs.join_retrans_period = PT1S; evs.keepalive_period = PT1S; evs.max_install_timeouts = 3; evs.send_window = 10; evs.stats_report_period = PT1M; evs.suspect_timeout = PT5S; evs.use_aggregate = true; evs.user_send_window = 4; evs.version = 0; evs.view_forget_timeout = P1D; gcache.dir = /var/lib/mysql/; gcache.freeze_purge_at_seqno = -1; gcache.keep_pages_count = 0; gcache.keep_pages_size = 0; gcache.mem_size = 0; gcache.name = /var/lib/mysql//galera.cache; gcache.page_size = 128M; gcache.recover = no; gcache.size = 128M; gcomm.thread_prio = ; gcs.fc_debug = 0; gcs.fc_factor = 1; gcs.fc_limit = 100; gcs.fc_master_slave = no; gcs
*************************** 29. row ***************************
Variable_name: wsrep_recover
        Value: OFF
*************************** 30. row ***************************
Variable_name: wsrep_reject_queries
        Value: NONE
*************************** 31. row ***************************
Variable_name: wsrep_replicate_myisam
        Value: OFF
*************************** 32. row ***************************
Variable_name: wsrep_restart_slave
        Value: OFF
*************************** 33. row ***************************
Variable_name: wsrep_retry_autocommit
        Value: 1
*************************** 34. row ***************************
Variable_name: wsrep_slave_FK_checks
        Value: ON
*************************** 35. row ***************************
Variable_name: wsrep_slave_UK_checks
        Value: OFF
*************************** 36. row ***************************
Variable_name: wsrep_slave_threads
        Value: 8
*************************** 37. row ***************************
Variable_name: wsrep_sst_auth
        Value: ********
*************************** 38. row ***************************
Variable_name: wsrep_sst_donor
        Value: 
*************************** 39. row ***************************
Variable_name: wsrep_sst_donor_rejects_queries
        Value: OFF
*************************** 40. row ***************************
Variable_name: wsrep_sst_method
        Value: xtrabackup-v2
*************************** 41. row ***************************
Variable_name: wsrep_sst_receive_address
        Value: AUTO
*************************** 42. row ***************************
Variable_name: wsrep_start_position
        Value: 00000000-0000-0000-0000-000000000000:-1
*************************** 43. row ***************************
Variable_name: wsrep_sync_wait
        Value: 0
43 rows in set (0.00 sec)

mysql> show status like ‘wsrep%‘;
+----------------------------------+--------------------------------------+
| Variable_name                    | Value                                |
+----------------------------------+--------------------------------------+
| wsrep_local_state_uuid           | 6085b686-1046-11eb-ac84-631f2cc73305 |
| wsrep_protocol_version           | 9                                    |
| wsrep_last_applied               | 3                                    |
| wsrep_last_committed             | 3                                    |
| wsrep_replicated                 | 3                                    |
| wsrep_replicated_bytes           | 816                                  |
| wsrep_repl_keys                  | 3                                    |
| wsrep_repl_keys_bytes            | 96                                   |
| wsrep_repl_data_bytes            | 521                                  |
| wsrep_repl_other_bytes           | 0                                    |
| wsrep_received                   | 2                                    |
| wsrep_received_bytes             | 150                                  |
| wsrep_local_commits              | 0                                    |
| wsrep_local_cert_failures        | 0                                    |
| wsrep_local_replays              | 0                                    |
| wsrep_local_send_queue           | 0                                    |
| wsrep_local_send_queue_max       | 1                                    |
| wsrep_local_send_queue_min       | 0                                    |
| wsrep_local_send_queue_avg       | 0.000000                             |
| wsrep_local_recv_queue           | 0                                    |
| wsrep_local_recv_queue_max       | 2                                    |
| wsrep_local_recv_queue_min       | 0                                    |
| wsrep_local_recv_queue_avg       | 0.500000                             |
| wsrep_local_cached_downto        | 1                                    |
| wsrep_flow_control_paused_ns     | 0                                    |
| wsrep_flow_control_paused        | 0.000000                             |
| wsrep_flow_control_sent          | 0                                    |
| wsrep_flow_control_recv          | 0                                    |
| wsrep_flow_control_interval      | [ 100, 100 ]                         |
| wsrep_flow_control_interval_low  | 100                                  |
| wsrep_flow_control_interval_high | 100                                  |
| wsrep_flow_control_status        | OFF                                  |
| wsrep_cert_deps_distance         | 1.000000                             |
| wsrep_apply_oooe                 | 0.000000                             |
| wsrep_apply_oool                 | 0.000000                             |
| wsrep_apply_window               | 1.000000                             |
| wsrep_commit_oooe                | 0.000000                             |
| wsrep_commit_oool                | 0.000000                             |
| wsrep_commit_window              | 1.000000                             |
| wsrep_local_state                | 4                                    |
| wsrep_local_state_comment        | Synced                               |
| wsrep_cert_index_size            | 1                                    |
| wsrep_cert_bucket_count          | 22                                   |
| wsrep_gcache_pool_size           | 2256                                 |
| wsrep_causal_reads               | 0                                    |
| wsrep_cert_interval              | 0.000000                             |
| wsrep_open_transactions          | 0                                    |
| wsrep_open_connections           | 0                                    |
| wsrep_ist_receive_status         |                                      |
| wsrep_ist_receive_seqno_start    | 0                                    |
| wsrep_ist_receive_seqno_current  | 0                                    |
| wsrep_ist_receive_seqno_end      | 0                                    |
| wsrep_incoming_addresses         | 10.0.0.7:3306                        |
| wsrep_cluster_weight             | 1                                    |
| wsrep_desync_count               | 0                                    |
| wsrep_evs_delayed                |                                      |
| wsrep_evs_evict_list             |                                      |
| wsrep_evs_repl_latency           | 0/0/0/0/0                            |
| wsrep_evs_state                  | OPERATIONAL                          |
| wsrep_gcomm_uuid                 | 60853201-1046-11eb-b428-d757c0543d63 |
| wsrep_cluster_conf_id            | 1                                    |
| wsrep_cluster_size               | 1                                    |
| wsrep_cluster_state_uuid         | 6085b686-1046-11eb-ac84-631f2cc73305 |
| wsrep_cluster_status             | Primary                              |
| wsrep_connected                  | ON                                   |
| wsrep_local_bf_aborts            | 0                                    |
| wsrep_local_index                | 0                                    |
| wsrep_provider_name              | Galera                               |
| wsrep_provider_vendor            | Codership Oy <info@codership.com>    |
| wsrep_provider_version           | 3.45(ra60e019)                       |
| wsrep_ready                      | ON                                   |
+----------------------------------+--------------------------------------+
71 rows in set (0.00 sec)

#启动PXC集群中其它所有节点
[root@pxc2 ~]#systemctl start mysql
[root@pxc2 ~]#ss -ntl
State       Recv-Q Send-Q      Local Address:Port                     Peer Address:Port              
LISTEN      0      128                     *:22                                  *:*                  
LISTEN      0      128                     *:4567                                *:*                  
LISTEN      0      100             127.0.0.1:25                                  *:*                  
LISTEN      0      80                   [::]:3306                             [::]:*                  
LISTEN      0      128                  [::]:22                               [::]:*                  
LISTEN      0      100                 [::1]:25                               [::]:*

[root@pxc3 ~]#systemctl start mysql
[root@pxc3 ~]#ss -ntl
State       Recv-Q Send-Q      Local Address:Port                     Peer Address:Port              
LISTEN      0      128                     *:22                                  *:*                  
LISTEN      0      128                     *:4567                                *:*                  
LISTEN      0      100             127.0.0.1:25                                  *:*                  
LISTEN      0      80                   [::]:3306                             [::]:*                  
LISTEN      0      128                  [::]:22                               [::]:*                  
LISTEN      0      100                 [::1]:25                               [::]:*

#查看集群状态,验证集群是否成功
[root@pxc1 ~]#mysql -uroot -pmagedu
mysql> show variables like ‘wsrep_node_name‘;
+-----------------+--------------------+
| Variable_name   | Value              |
+-----------------+--------------------+
| wsrep_node_name | pxc-cluster-node-1 |
+-----------------+--------------------+
1 row in set (0.00 sec)

mysql> show variables like ‘wsrep_node_address‘;
+--------------------+----------+
| Variable_name      | Value    |
+--------------------+----------+
| wsrep_node_address | 10.0.0.7 |
+--------------------+----------+
1 row in set (0.00 sec)

mysql> show variables like ‘wsrep_on‘;
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| wsrep_on      | ON    |
+---------------+-------+
1 row in set (0.01 sec)

mysql> show status like ‘wsrep_cluster_size‘;
+--------------------+-------+
| Variable_name      | Value |
+--------------------+-------+
| wsrep_cluster_size | 3     |
+--------------------+-------+
1 row in set (0.00 sec)

[root@pxc2 ~]#mysql -uroot -pmagedu
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 14
Server version: 5.7.31-34-57-log Percona XtraDB Cluster (GPL), Release rel34, Revision 7359e4f, WSREP version 31.45, wsrep_31.45

Copyright (c) 2009-2020 Percona LLC and/or its affiliates
Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
4 rows in set (0.00 sec)

[root@pxc3 ~]#mysql -uroot -pmagedu
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 5.7.31-34-57-log Percona XtraDB Cluster (GPL), Release rel34, Revision 7359e4f, WSREP version 31.45, wsrep_31.45

Copyright (c) 2009-2020 Percona LLC and/or its affiliates
Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql> create database db1;
Query OK, 1 row affected (0.00 sec)

[root@pxc1 ~]#mysql -uroot -pmagedu
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 16
Server version: 5.7.31-34-57-log Percona XtraDB Cluster (GPL), Release rel34, Revision 7359e4f, WSREP version 31.45, wsrep_31.45

Copyright (c) 2009-2020 Percona LLC and/or its affiliates
Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| db1                |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
5 rows in set (0.00 sec)

##在PXC集群中再加一台新的主机PXC4:10.0.0.37
[root@pxc4 ~]#vim /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
[root@pxc4 ~]#grep -Ev "^#|^$" /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
[mysqld]
wsrep_provider=/usr/lib64/galera3/libgalera_smm.so
wsrep_cluster_address=gcomm://10.0.0.7,10.0.0.17,10.0.0.27,10.0.0.37
binlog_format=ROW
default_storage_engine=InnoDB
wsrep_slave_threads= 8
wsrep_log_conflicts
innodb_autoinc_lock_mode=2
wsrep_node_address=10.0.0.37
wsrep_cluster_name=pxc-cluster
wsrep_node_name=pxc-cluster-node-4
pxc_strict_mode=ENFORCING
wsrep_sst_method=xtrabackup-v2
wsrep_sst_auth="sstuser:s3cretPass"

[root@pxc4 ~]#systemctl start mysql
[root@pxc4 ~]#mysql -uroot -pmagedu
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 5.7.31-34-57-log Percona XtraDB Cluster (GPL), Release rel34, Revision 7359e4f, WSREP version 31.45, wsrep_31.45

Copyright (c) 2009-2020 Percona LLC and/or its affiliates
Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql> show status like ‘wsrep_cluster_size‘;
+--------------------+-------+
| Variable_name      | Value |
+--------------------+-------+
| wsrep_cluster_size | 4     |
+--------------------+-------+
1 row in set (0.00 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| db1                |
| mysql              |
| performance_schema |
| sys                |
+--------------------+
5 rows in set (0.00 sec)

#修改其他节点的配置文件
[root@pxc1 ~]#vim /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
[root@pxc1 ~]#grep -E "^wsrep_cluster_address=gcomm:" /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
wsrep_cluster_address=gcomm://10.0.0.7,10.0.0.17,10.0.0.27,10.0.0.37
[root@pxc2 ~]#grep -E "^wsrep_cluster_address=gcomm:" /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
wsrep_cluster_address=gcomm://10.0.0.7,10.0.0.17,10.0.0.27,10.0.0.37
[root@pxc3 ~]#grep -E "^wsrep_cluster_address=gcomm:" /etc/percona-xtradb-cluster.conf.d/wsrep.cnf
wsrep_cluster_address=gcomm://10.0.0.7,10.0.0.17,10.0.0.27,10.0.0.37

Percona XtraDB Cluster(PXC 5.7)

标签:man   last   cached   ica   cte   bootstrap   default   control   base   

原文地址:https://blog.51cto.com/13887323/2542411

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