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CentOS中mysql cluster安裝部署教程

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一、安裝要求

安裝環(huán)境:CentOS-6.5-32bit

軟件名稱:mysql-cluster-gpl-7.2.25-linux2.6-i686.tar.gz

下載地址:http://mysql.mirror.kangaroot.net/Downloads/

軟件包:mysql-cluster-gpl-7.2.25-linux2.6-i686.tar.gz

軟件包存放目錄:/usr/local

管理節(jié)點(diǎn)(MGM): 192.168.1.71

數(shù)據(jù)節(jié)點(diǎn)1(NDBD1):192.168.1.72

數(shù)據(jù)節(jié)點(diǎn)2(NDBD2):192.168.1.73

sql節(jié)點(diǎn)1(SQL1): 192.168.1.74

sql節(jié)點(diǎn)2(SQL2): 192.168.1.75

二、安裝部署

1.安裝前:(所有節(jié)點(diǎn)服務(wù)器需執(zhí)行)

[root@MGM ]#rpm -qa|grep mysql* (查詢系統(tǒng)中存在的mysql)

[root@MGM ]#rpm -e –nodeps mysql-libs-5.1.71-1.el6.i686 (根據(jù)自己查出來(lái)的mysql版本)

2.開始部署:(所有節(jié)點(diǎn)服務(wù)器需執(zhí)行)

[root@MGM ]#groupadd mysql

[root@MGM ]#useradd mysql -g mysql

[root@MGM ]#cd /usr/local (軟件包在此目錄下,根據(jù)自己存放位置進(jìn)入)

[root@MGM local]#tar -xvfmysql-cluster-gpl-7.2.25-linux2.6-i686.tar.gz

[root@MGM local]#mkdir /usr/local/mysql (創(chuàng)建mysql目錄)

[root@MGM local]#mvmysql-cluster-gpl-7.2.25-linux2.6-i686/* mysql

[root@MGM local]#chown -R mysql:mysql mysql/

[root@MGM local]#cd mysql

[root@MGM mysql]#scripts/mysql_install_db –user=mysql (管理及數(shù)據(jù)節(jié)點(diǎn)執(zhí)行這條命令)

#scripts/mysql_install_db –user=mysql –datadir=/var/mysql/data (sql節(jié)點(diǎn)執(zhí)行這條命令)

三、集群配置

1.管理節(jié)點(diǎn)配置:

[root@MGM mysql]#mkdir /var/lib/mysql-cluster

[root@MGM ]#mkdir /var/mysql

[root@MGM ]#mkdir /var/mysql/data

[root@MGM ]#mkdit /var/mysql/log

[root@MGM mysql]#vi /var/lib/mysql-cluster/config.ini (添加以下內(nèi)容)

[NDBD DEFAULT]

NoOfReplicas=2

#[TCP DEFAULT]

#PortNumber=1186

[NDB_MGMD]

#設(shè)置管理節(jié)點(diǎn)服務(wù)器

nodeid=1

HostName=192.168.1.71 

DataDir=/var/mysql/data

[NDBD]

nodeid=2

HostName=192.168.1.72 

DataDir=/var/mysql/data

[NDBD]

nodeid=3

HostName=192.168.1.73 

DataDir=/var/mysql/data

[MYSQLD]

nodeid=4

HostName=192.168.1.74 

[MYSQLD]

nodeid=5

HostName=192.168.1.75 

#必須有空的mysqld節(jié)點(diǎn),不然數(shù)據(jù)節(jié)點(diǎn)斷開后啟動(dòng)有報(bào)錯(cuò)

[MYSQLD]

nodeid=6

[mysqld]

nodeid=7

拷貝ndb_mgm、ndb_mgmd、config.ini到bin目錄:

[root@MGM mysql]#cd /usr/local/mysql/bin

[root@MGM bin]#cp ./ndb_mgm /usr/local/bin/

[root@MGM bin]#cp ./ndb_mgmd /usr/local/bin/

[root@MGM bin]#cp /var/lib/mysql-cluster/config.ini /usr/local/bin/

[root@MGM bin]#vi /etc/sysconfig/iptables (添加紅色方框內(nèi)容)

[root@MGM bin]/etc/init.d/iptables restart 重啟防火墻

2.數(shù)據(jù)節(jié)點(diǎn)配置:(所有數(shù)據(jù)節(jié)點(diǎn)需執(zhí)行)

[root@NDBD1 ]#mkdir /var/mysql

[root@NDBD1 ]#mkdir /var/mysql/data

[root@NDBD1 ]#mkdit /var/mysql/log

[root@NDBD1 ]#/etc/init.d/iptables stop (關(guān)閉防火墻,也可自行添加開放端口)

[root@NDBD1 ]#vi /etc/my.cnf (添加以下內(nèi)容)

[mysqld]

datadir=/var/mysql/data

socket=/var/mysql/mysql.sock

user=mysql

# Disabling symbolic-links is recommended to prevent assorted security risks

symbolic-links=0

#運(yùn)行NDB存儲(chǔ)引擎

ndbcluster

#指定管理節(jié)點(diǎn)

ndb-connectstring=192.168.1.71

[MYSQL_CLUSTER]

ndb-connectstring=192.168.1.71

[NDB_MGM]

connect-string=192.168.1.71

[mysqld_safe]

log-error=/var/mysql/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

3.sql節(jié)點(diǎn)配置:(所有sql節(jié)點(diǎn)需執(zhí)行)

[root@SQL1 ]#cd /usr/local/mysql/

[root@SQL1 mysql]#cp support-files/mysql.server /etc/rc.d/init.d/mysqld

[root@SQL1 mysql]#chmod +x /etc/rc.d/init.d/mysqld

[root@SQL1 mysql]#chkconfig –add mysqld

[root@SQL1 mysql]#mkdir /var/mysql

[root@SQL1 mysql]#mkdir /var/mysql/data

[root@SQL1 mysql]#mkdir /var/mysql/log

[root@SQL1 mysql]#chown -R mysql:mysql /var/mysql

[root@SQL1 mysql]#ln -s /usr/local/mysql/bin/mysql /usr/bin

[root@SQL1 mysql]#ln -s /var/mysql/mysql.sock /tmp/mysql.sock

[root@SQL1 mysql]#vi /etc/my.cnf

[mysqld]

datadir=/var/mysql/data

socket=/var/mysql/mysql.sock

user=mysql

# Disabling symbolic-links is recommended to prevent assorted security risks

symbolic-links=0

log-bin = /var/mysql/log/mysql-bin.log

max_connections=1000

#以下為mysql 主主模式的配置文件

# 忽略mysql數(shù)據(jù)庫(kù)復(fù)制

binlog-ignore-db=mysql

# 每次增長(zhǎng)2

auto-increment-increment=2

# 設(shè)置自動(dòng)增長(zhǎng)的字段的偏移量,即初始值為2

auto-increment-offset=1

ndbcluster

ndb-connectstring=192.168.1.71

[MYSQL_CLUSTER]

ndb-connectstring=192.168.1.71

[NDB_MGM]

connect-string=192.168.1.71

[mysqld_safe]

log-error=/var/mysql/log/mysqld.log

pid-file=/var/run/mysqld/mysqld.pid

四、mysql-cluster啟動(dòng)

1.啟動(dòng)mysql-cluster

mysql集群的啟動(dòng)順序?yàn)椋汗芾砉?jié)點(diǎn)->數(shù)據(jù)節(jié)點(diǎn)->SQL節(jié)點(diǎn)

mysql集群的關(guān)閉順序?yàn)?,SQL節(jié)點(diǎn)->數(shù)據(jù)節(jié)點(diǎn)->管理節(jié)點(diǎn)

2.管理節(jié)點(diǎn):

[root@MGM ]#ndb_mgmd -f /var/lib/mysql-cluster/config.ini –initial(注意第一次或者對(duì)config文件進(jìn)行修改后,打開服務(wù)一定要加上initial否則新增加的內(nèi)容不會(huì)被使用)

3.數(shù)據(jù)節(jié)點(diǎn):

[root@NDBD1 ]#/usr/local/mysql/bin/ndbd –initial(此處同上)

4.sql節(jié)點(diǎn):

[root@SQL1 ]#service mysqld start

5.驗(yàn)證:(在管理節(jié)點(diǎn)上)

[root@MGM ]#ndb_mgm

ndb_mgm>show

五、測(cè)試

1.在sql1節(jié)點(diǎn)執(zhí)行:

[root@SQL1 ]#mysql 調(diào)用mysql

mysql>create database tianyuan; 創(chuàng)建數(shù)據(jù)庫(kù)

mysql>use tianyuan; 使用數(shù)據(jù)庫(kù)

mysql>create table test(i int,name varchar(10)) engine=ndbcluster; 創(chuàng)建表

mysql>insert into test values(1,'ceshi'); 插入表數(shù)據(jù)

mysql>select * from test; 查詢驗(yàn)證

2.在sql2節(jié)點(diǎn)驗(yàn)證sql1的數(shù)據(jù)是否已同步到sql2:

[root@SQL2 ]#mysql 調(diào)用mysql

mysql>show databases; 查詢數(shù)據(jù)庫(kù)

mysql>use tianyuan; 使用數(shù)據(jù)庫(kù)

mysql>select * from test; 查詢驗(yàn)證

3.可通過中斷數(shù)據(jù)節(jié)點(diǎn)或sql節(jié)點(diǎn)來(lái)驗(yàn)證數(shù)據(jù)是否會(huì)同步。

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