Mysql集群mysql-cluster安裝
環境說明
系統環境:CentOS 6.5 mini(64bit)
軟件版本:mysql-cluster-advanced-7.3.7-linux-glibc2.5-x86_64.tar.gz
IP地址:
MGM:192.168.100.211
NDBD1:192.168.100.212
NDBD2:192.168.100.213
SQL1:192.168.100.214
SQL2:192.168.100.215
一、Cluster安裝(五個節點)
安裝相關依賴包
# yum -y install perl libaio ntpdate
關閉防火牆
# service iptables stop
刪除系統自帶mysql:
# rpm -qa | grep mysql
# rpm -e --allmatches --nodeps mysql-libs-5.1.71-1.el6.x86_64
解壓縮軟件
上傳軟件到/main目錄
# cd /main
# tar zxvf mysql-cluster-advanced-7.3.7-linux-glibc2.5-x86_64.tar.gz
# mv mysql-cluster-advanced-7.3.7-linux-glibc2.5-x86_64 mysql
新建mysql用戶及用戶組
# groupadd mysql
# useradd -g mysql -s /usr/sbin/nologin mysql
# chown -R mysql:mysql /main/mysql
安裝Cluster
# /main/mysql/scripts/mysql_install_db --user=mysql --basedir=/main/mysql --datadir=/main/mysql/data
二、節點配置
1.配置 MGM (MGM 節點)
刪除自帶的my.cnf文件
必須要刪除自帶的/etc/my.cnf,如果沒有就不用刪除
# rm -rf /etc/my.cnf
新建配置文件存放目錄
# mkdir /main/mysql/etc
# chown mysql:mysql /main/mysql/etc
創建配置文件config.ini
# vi /main/mysql/etc/config.ini
[ndb_mgmd default]
datadir = /main/mysql/data
[ndbd default]
NoOfReplicas = 2
DataMemory = 80M
IndexMemory = 18M
datadir = /main/mysql/data
[ndb_mgmd]
NodeId = 1
HostName = 192.168.100.211
[ndbd]
NodeId = 11
HostName = 192.168.100.212
[ndbd]
NodeId = 12
HostName = 192.168.100.213
[mysqld]
NodeId = 81
HostName = 192.168.100.214
[mysqld]
NodeId = 82
HostName = 192.168.100.215
2.配置數據節點(NDBD1和NDBD2節點)
創建配置文件my.cnf
# vi /etc/my.cnf
[mysqld]
ndbcluster
ndb-connectstring = 192.168.100.211
[mysql_cluster]
ndb-connectstring = 192.168.100.211
3.配置SQL節點(SQL1和SQL2節點)
拷貝文件
# cp -p /main/mysql/support-files/mysql.server /etc/init.d/mysqld
創建配置文件my.cnf
# vi /etc/my.cnf
[mysqld]
basedir = /main/mysql
datadir = /main/mysql/data
ndbcluster
ndb-connectstring = 192.168.100.211
[mysql_cluster]
ndb-connectstring = 192.168.100.211
三、啟動節點
啟動需按如下順序進行:MGM > NDBD > SQL
如下的啟動方式只適合首次啟動,或者備份、恢復或配置變化後重啟時,否則將清空所有數據
1:啟動 MGM (MGM 節點)
# mkdir -p /usr/local/mysql/mysql-cluster
# ndb_mgmd -f /main/mysql/etc/config.ini --initial
查看集群狀態
# ndb_mgm -e show
Connected to Management Server at: localhost:1186
Cluster Configuration
---------------------
[ndbd(NDB)] 2 node(s)
id=11 (not connected, accepting connect from 192.168.100.212)
id=12 (not connected, accepting connect from 192.168.100.213)
[ndb_mgmd(MGM)] 1 node(s)
id=1 @192.168.100.211 (mysql-5.6.21 ndb-7.3.7)
[mysqld(API)] 2 node(s)
id=81 (not connected, accepting connect from 192.168.100.214)
id=82 (not connected, accepting connect from 192.168.100.215)
2:啟動NDBD(NDBD1和NDBD2節點)
# ndbd --initial
3:啟動SQL (SQL1和SQL2節點)
# service mysqld start
到此mysql-cluster安裝完畢,客戶端可以通過sql節點去連接mysql數據庫。這裡僅僅介紹了簡單的安裝配置過程,詳細的配置說明敬請期待。