**Percona XtraDB Cluster(PXC 5.7)node
#配置pxc清華yum源並安裝 [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 #配置各個節點mysql和集羣配置文件 [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" #啓動PXC集羣中第一個節點 [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) #啓動PXC集羣中其它全部節點 [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 [::]:* #查看集羣狀態,驗證集羣是否成功 [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集羣中再加一臺新的主機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) #修改其餘節點的配置文件 [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