nfs实现负载均衡

.环境
10.100.5.55 mysql nfs server dns
10.100.5.56 web1
10.100.5.57 web2
一.配置mysql nfs server dns
1.1基本配置逻辑分区
yum -y install mariadb mariadb-server mariadb-devel rpcbind nfs-utils lvm2 bind bind-utils

使用逻辑分区模式
分出类型为Linux LVM sdb1 sdb2

pvcreate /dev/sdb{1,2}
nfs实现负载均衡
vgcreate vg0 /dev/sdb{1,2}
nfs实现负载均衡
lvcreate -L 20G -n nfs vg0 #nfs 逻辑卷
lvcreate -L 19G -n mydata vg0 #mydata逻辑卷
nfs实现负载均衡
mkfs.xfs /dev/vg0/nfs
mkfs.xfs /dev/vg0/mydata
备注:扩展分区命令 例如加了一块盘为sdc
pvcreate /dev/sdbc
pvs
vgextend vg0 /dev/sdc
lvextend --resize -L +60G /dev/vg0/nfs将逻辑卷/dev/vg0/nfs增大60G。然后执行df -lh查看 /var/www/目录空间是否增大.

mount /dev/vg0/mydata /var/lib/mysql/
mount /dev/vg0/nfs /var/www/
chown mysql.mysql /var/lib/mysql #改为mysql
chown -R nfsnobody.nfsnobody /var/www/ #改为nfs

1.2配置数据库

systemctl start mariadb
systemctl enable mariadb #开机自启
mysql
grant all privileges on . to maxthon@'%' identified by 'maxthon';
flush privileges;
create database wordpress;#后续测试使用
1.3 配置nfs

systemctl start rpcbind
systemctl start nfs

systemctl enable rpcbind
systemctl enable nfs
vim /etc/exports #添加挂载分区

/var/www 10.100.0.0/16(rw,sync,root_squash)
exportfs -ra #重新加载
showmount -e localhost #查看是否已经挂载
nfs实现负载均衡
vim/etc/fstab #添加自动挂载
/dev/vg0/mydata /var/lib/mysql xfs defaults 0 0
/dev/vg0/nfs /var/www xfs defaults 0 0
nfs实现负载均衡

scp /Users/macos/Desktop/study/LAMP/论坛源码/wordpress-4.9.4-zh_CN.tar.gz [email protected]:/root #拷贝wordpress
tar -zxvf wordpress-4.9.4-zh_CN.tar.gz

cp -r wordpress/* /var/www/

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1.4.配置dns
vim/etc/named.conf

#listen-on port 53 { 127.0.0.1; };
#listen-on-v6 port 53 { ::1; };
allow-query { any; };
nfs实现负载均衡

vim /etc/named.rfc1912.zones #尾部插入
zone "c.com" IN {
type master;
file "c.com.zone";
allow-update { none; };
};

zone "5.100.10.in-addr.arpa" IN {
type master;
file "5.100.10.zone";
allow-update { none; };
};

cd/var/named
vim c.com.zone

nfs实现负载均衡

vim 5.100.10.zone
nfs实现负载均衡
chown root.named 5.100.10.zone c.com.zone
chmod 640 5.100.10.zone c.com.zone

systemctl start named
systemctl enable named

二 配置web1
2.1基本配置
yum -y install httpd php php-mysql rpcbind nfs-utils
systemctl start rpcbind
systemctl enable rpcbind
showmount -e 10.100.5.55
nfs实现负载均衡
mount -t nfs 10.100.5.55:/var/www /var/www/

vim/etc/fstab #设置开机自动挂载
10.100.5.55:/var/www /var/www nfs defaults 0 0
nfs实现负载均衡

vim /etc/httpd/conf/httpd.conf

注释#DocumentRoot "/var/www/html"
添加
AddType application/x-httpd-php .php
AddType application/x-httpd-php-source .phps

<IfModule dir_module>
DirectoryIndex index.html index.php #添加index.php

</IfModule>

vim /etc/httpd/conf.d/c.com.conf #添加虚拟主机配置文件

<VirtualHost *:80>
ServerAdmin [email protected]
DocumentRoot "/var/www"
ServerName www.c.com
ErrorLog logs/c.com-error_log
CustomLog logs/c.com-access_log common

#ProxyRequests Off
#ProxyPassMatch ^/(.*.php)$ fcgi://127.0.0.1:9000/www/c.com/$1
<Directory "/var/www" >
Options none
require all granted
</Directory>
</VirtualHost>
nfs实现负载均衡

systemctl start httpd
systemctl enable httpd #开机自动启动

三 配置web2
yum -y install rpcbind nfs-utils httpd php php-mysql
systemctl start rpcbind
systemctl enable rpcbind

mount -t nfs 10.100.5.55:/var/www /var/www
nfs实现负载均衡

vim/etc/fstab #设置开机自动挂载
10.100.5.55:/var/www /var/www nfs defaults 0 0

vim /etc/httpd/conf/httpd.conf
#注释#DocumentRoot "/var/www/html"
#添加
AddType application/x-httpd-php .php
AddType application/x-httpd-php-source .phps

<IfModule dir_module>
DirectoryIndex index.html index.php #添加index.php

</IfModule>

vim /etc/httpd/conf.d/c.com.conf #添加虚拟主机配置文件
<VirtualHost *:80>
ServerAdmin [email protected]
DocumentRoot "/var/www"
ServerName www.c.com
ErrorLog logs/c.com-error_log
CustomLog logs/c.com-access_log common

#ProxyRequests Off
#ProxyPassMatch ^/(.*.php)$ fcgi://127.0.0.1:9000/www/c.com/$1
<Directory "/var/www" >
Options none
require all granted
</Directory>
</VirtualHost>
systemctl start httpd
systemctl enable httpd
四 测试

改dns为10.100.5.55 访问www.c.com

nfs实现负载均衡

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nfs实现负载均衡
#设置添加文件
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nfs实现负载均衡

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nfs实现负载均衡

That is all.

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转载自blog.51cto.com/13564078/2112652