centos7 系统上 mariadb galera 集群搭建
2017-07-26 15:07
495 查看
1.环境
CentOS Linux release 7.3MariaDB 10.1.25
2.安装MariaDB
配置mariadb10.1的yum源[root@centos7-compute1 ~]# cat /etc/yum.repos.d/MariaDB.repo
[root@centos7-compute2 ~]# cat /etc/yum.repos.d/MariaDB.repo
[root@centos7-compute3 ~]# cat /etc/yum.repos.d/MariaDB.repo
MariaDB.repo:
[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.1/centos7-amd64 gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
3.使用yum安装
[root@centos7-compute1 ~]# sudo yum install MariaDB-server MariaDB-client galera[root@centos7-compute2 ~]# sudo yum install MariaDB-server MariaDB-client galera
[root@centos7-compute3 ~]# sudo yum install MariaDB-server MariaDB-client galera
4.安全配置
[root@centos7-compute1 ~]# /usr/bin/mysql_secure_installation[root@centos7-compute2 ~]# /usr/bin/mysql_secure_installation
[root@centos7-compute3 ~]# /usr/bin/mysql_secure_installation
compute1,compute2,compute3 三节点 启动MariaDB并赋权:
grant all privileges on *.* to root@"%" identified by "123456";
flush privileges;
然后全部节点关闭数据库
[root@centos7-compute1 ~]# systemctl stop mariadb
[root@centos7-compute2 ~]# systemctl stop mariadb
[root@centos7-compute3 ~]# systemctl stop mariadb
注意:此时需要全部节点关闭selinx,防火墙。防止接下来的影响集群通讯
systemctl stop firewalld
systemctl disable firewalld
5.配置MariaDB Galera Cluster
修改三台节点上的/etc/my.cnf.d/server.cnf 文件compute1 配置如下:
[mysqld]
[galera]
wsrep_provider = /usr/lib64/galera/libgalera_smm.so
wsrep_cluster_name='my_wsrep_cluster'
wsrep_cluster_address = "gcomm://192.168.140.197,192.168.140.141,192.168.140.192"
wsrep_node_name = centos7-compute1
wsrep_node_address=192.168.140.197
wsrep_on=ON
binlog_format=ROW
default_storage_engine=InnoDB
innodb_autoinc_lock_mode=2
wsrep_slave_threads=1
innodb_flush_log_at_trx_commit=2
innodb_buffer_pool_size=1024M
wsrep_sst_method=rsync
wsrep_sst_auth=root:123456
[embedded]
[mariadb]
[mariadb-10.1]
compute2 配置如下:
[mysqld]
[galera]
wsrep_provider = /usr/lib64/galera/libgalera_smm.so
wsrep_cluster_name='my_wsrep_cluster'
wsrep_cluster_address = "gcomm://192.168.140.197,192.168.140.141,192.168.140.192"
wsrep_node_name = centos7-compute2
wsrep_node_address=192.168.140.141
wsrep_on=ON
binlog_format=ROW
default_storage_engine=InnoDB
innodb_autoinc_lock_mode=2
wsrep_slave_threads=1
innodb_flush_log_at_trx_commit=2
innodb_buffer_pool_size=1024M
wsrep_sst_method=rsync
wsrep_sst_auth=root:123456
[embedded]
[mariadb]
[mariadb-10.1]
compute3 配置如下:
[mysqld]
[galera]
wsrep_provider = /usr/lib64/galera/libgalera_smm.so
wsrep_cluster_name='my_wsrep_cluster'
wsrep_cluster_address = "gcomm://192.168.140.197,192.168.140.141,192.168.140.192"
wsrep_node_name = centos7-compute3
wsrep_node_address=192.168.140.192
wsrep_on=ON
binlog_format=ROW
default_storage_engine=InnoDB
innodb_autoinc_lock_mode=2
wsrep_slave_threads=1
innodb_flush_log_at_trx_commit=2
innodb_buffer_pool_size=1024M
wsrep_sst_method=rsync
wsrep_sst_auth=root:123456
[embedded]
[mariadb]
[mariadb-10.1]
6.启动集群
引导集群创建只在compute1操作:
[root@centos7-compute1 ~]# /usr/sbin/mysqld --wsrep-new-cluster --user=root &
查看集群状态
MariaDB [(none)]> show status like "wsrep_cluster_size"; +--------------------+-------------+ | Variable_name | Value | +--------------------+-------------+ | wsrep_cluster_size | 1 | +--------------------+-------------+ MariaDB [(none)]> show status like "wsrep%"; +------------------------------+------------------------------------------------+ | Variable_name | Value | +------------------------------+------------------------------------------------+ | wsrep_apply_oooe | 0.000000 | | wsrep_apply_oool | 0.000000 | | wsrep_apply_window | 0.000000 | | wsrep_causal_reads | 0 | | wsrep_cert_deps_distance | 0.000000 | | wsrep_cert_index_size | 0 | | wsrep_cert_interval | 0.000000 | | wsrep_cluster_conf_id | 1 | | wsrep_cluster_size | 1 | | wsrep_cluster_state_uuid | 1e434901-71b5-11e7-b190-7bb2f4bbed7a | | wsrep_cluster_status | Primary | | wsrep_commit_oooe | 0.000000 | | wsrep_commit_oool | 0.000000 | | wsrep_commit_window | 0.000000 | | wsrep_connected | ON | | wsrep_desync_count | 0 | | wsrep_evs_delayed | | | wsrep_evs_evict_list | | | wsrep_evs_repl_latency | 5.592e-06/1.25208e-05/2.5685e-05/8.62896e-06/5 | | wsrep_evs_state | OPERATIONAL | | wsrep_flow_control_paused | 0.000000 | | wsrep_flow_control_paused_ns | 0 | | wsrep_flow_control_recv | 0 | | wsrep_flow_control_sent | 0 | | wsrep_gcomm_uuid | 35623b8e-71ad-11e7-af9f-52f25b42ebcf | | wsrep_incoming_addresses | 192.168.140.197:3306 | | wsrep_last_committed | 0 | | wsrep_local_bf_aborts | 0 | | wsrep_local_cached_downto | 18446744073709551615 | | wsrep_local_cert_failures | 0 | | wsrep_local_commits | 0 | | wsrep_local_index | 0 | | wsrep_local_recv_queue | 0 | | wsrep_local_recv_queue_avg | 0.500000 | | wsrep_local_recv_queue_max | 2 | | wsrep_local_recv_queue_min | 0 | | wsrep_local_replays | 0 | | wsrep_local_send_queue | 0 | | wsrep_local_send_queue_avg | 0.000000 | | wsrep_local_send_queue_max | 1 | | wsrep_local_send_queue_min | 0 | | wsrep_local_state | 4 | | wsrep_local_state_comment | Synced | | wsrep_local_state_uuid | 1e434901-71b5-11e7-b190-7bb2f4bbed7a | | wsrep_protocol_version | 7 | | wsrep_provider_name | Galera | | wsrep_provider_vendor | Codership Oy <info@codership.com> | | wsrep_provider_version | 25.3.20(r3703) | | wsrep_ready | ON | | wsrep_received | 2 | | wsrep_received_bytes | 155 | | wsrep_repl_data_bytes | 0 | | wsrep_repl_keys | 0 | | wsrep_repl_keys_bytes | 0 | | wsrep_repl_other_bytes | 0 | | wsrep_replicated | 0 | | wsrep_replicated_bytes | 0 | | wsrep_thread_count | 2 | +------------------------------+------------------------------------------------+
向集群中添加其他节点:
[root@centos7-compute2 ~]# systemctl start mariadb
[root@centos7-compute3 ~]# systemctl start mariadb
查看集群状态:
MariaDB [(none)]> show status like "wsrep_cluster_size"; +--------------------+-------+ | Variable_name | Value | +--------------------+-------+ | wsrep_cluster_size | 3 | +--------------------+-------+ 1 row in set (0.00 sec)
7.测试数据同步
在 compute1上创建数据库,表并插入数据,观察compute2,compute3 数据情况MariaDB [(none)]> create database galera;
MariaDB [galera]> create table t (id int primary key);
insert into t value(1);
insert into t value(2);
insert into t value(3);
查看compute2,compute3数据库
MariaDB [galera]> show tables; +------------------+ | Tables_in_galera | +------------------+ | t | +------------------+ 1 row in set (0.00 sec) MariaDB [galera]> select * from t; +----+ | id | +----+ | 1 | | 2 | | 3 | +----+
经过测试,删除数据库,增删查改表都可以实时同步。
8.故障测试
[root@centos7-compute3 ~]# systemctl stop mariadb然后在compute1,compute2 分别插入数据时,等待compute3启动后自己会同步
并且此时集群节点为两个。
MariaDB [galera]> SHOW STATUS LIKE 'wsrep_cluster_size'; +--------------------+-------+ | Variable_name | Value | +--------------------+-------+ | wsrep_cluster_size | 2 | +--------------------+-------+
参考文档:http://galeracluster.com/documentation-webpages/galerainstallation.html
mariadb repo :https://downloads.mariadb.org/mariadb/repositories/#mirror=neusoft&distro=CentOS&distro_release=centos7-amd64--centos7&version=10.1
相关文章推荐
- mysql 数据库集群搭建:(三)CentOS 7.2 MariaDB 10.2 galera 集群安装
- 用虚拟机在centOS系统搭建hadoop分布式集群(updating...)
- Linux下MySQL/MariaDB Galera集群搭建过程
- centos7下部署mariadb+galera数据库高可用集群
- centos mariadb galera 多主同步 haprox keepalive 集群热备
- Linux下MySQL/MariaDB Galera集群搭建过程
- Linux系统 CentOS 7怎么搭建集群? 搭建高可用集群的步骤
- 在Centos系统中搭建Hadoop集群
- 【原】基于 HAproxy 1.6.3 Keeplived 在 Centos 7 中实现mysql mariadb galera cluster 集群分发读写 —— 上篇
- 基于CentOS与VmwareStation10搭建Oracle11G RAC 64集群环境:4.安装Oracle RAC FAQ-4.1.系统界面报错Gnome
- CentOS7环境下部署Mariadb-Galera集群
- Linux下MySQL/MariaDB Galera集群搭建过程【转】
- MariaDB Galera集群搭建
- redis在centOS系统上的集群搭建
- 【Mariadb】centos7搭建mariadb Galera集群--v1.0(成功)
- 基于Centos 6.5+MariaDB+loganalyzer+syslog搭建远程系统日志收集和分析环境
- Linux下MySQL/MariaDB Galera集群搭建过程
- 基于vCenter/ESXi平台CentOS 6.8系统虚拟机Oracle 12c RAC双节点数据库集群搭建