Percona XtraDB Cluster是一種高可用性解決方案,可幫助企業避免停機和中斷.
Percona XtraDB Cluster具有以下MySQL群集優勢:
? 具有成本效益的HA和MySQL可擴展性
? 更高的可用性
? ProxySQL負載平衡器
? 多原版復制
? 增強的讀/寫可擴展性
? 零資料丟失
? ProxySQL輔助的Percona XtraDB群集維護模式
? 自動節點配置
? Percona XtraDB群集“嚴格模式”
? Percona監視和管理兼容性
環境:三臺centos7
192.168.1.10
192.168.1.20
192.168.1.30
1.安裝percona軟體包庫
yum -y install http://www.percona.com/downloads/percona-release/redhat/0.1-4/percona-release-0.1-4.noarch.rpm
2.更新庫
ls /etc/yum.repos.d/
yum clean all
yum list | grep percona
3.安裝pxc
yum install Percona-XtraDB-Cluster-full-57.x86_64 -y
4.啟動mysql
service mysql start
grep password /var/log/mysqld.log
mysql -u root -p
alter user 'root'@'localhost' identified by 'Redhat.123';
create user 'testuser'@'localhost' identified by 'passw0rd';
grant reload,lock tables,process,replication client on . to 'sstuser'@'localhost';
flush privileges;
5.修改mysql組態檔
service mysql stop
vim /etc/my.cnf
wsrep_provider=/usr/lib64/galera3/libgalera_smm.so?wsrep_cluster_name=pxc-cluster?wsrep_cluster_address=gcomm://192.168.1.10,192.168.1.20,192.168.1.30?wsrep_node_name=pxc1?wsrep_node_address=192.168.1.10?wsrep_sst_method=xtrabackup-v2?wsrep_sst_auth=sstuser:passw0rd?pxc_strict_mode=ENFORCING?binlog_format=ROW?default_storage_engine=InnoDB?innodb_autoinc_lock_mode=2
6.在node2,node3上面做同樣操作,并修改組態檔,
wsrep_node_name=pxc2?wsrep_node_address=192.168.1.20
wsrep_node_name=pxc3?wsrep_node_address=192.168.1.30
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標籤:Linux
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