cacti运维手册

bgey 发表于 2019-1-9 10:50:10

cacti运维手册
　　
　　1    前言
　　1.1系统功能概述
　　cacti是通过 snmpget来获取数据，使用 RRDtool绘画图形，而且你完全可以不需要了解RRDtool复杂的参数。它提供了非常强大的数据和用户管理功能，可以指定每一个用户能查看树状结构、host以及任何一张图，还可以与LDAP结合进行用户验证，同时也能自己增加模板，功能非常强大完善。界面友好。软件 Cacti 的发展是基于让 RRDTool 使用者更方便使用该软件，除了基本的 Snmp 流量跟系统资讯监控外，Cacti 也可外挂 Scripts 及加上 Templates 来作出各式各样的监控图。
　　2    系统架构
　　2.1服务器架构图
　　l这里是使用nginx+cacti架构，图如下（图1）：
http://note.youdao.com/yws/res/79/1B4B36DF4D574EF98519AB3766FA13BB
　　图1
　　l架构图解析
　　1 cacti是通过web访问的监控程序，所以需要依赖web服务，这里使用nginx来做web服务。
　　2 cacti是拿取被监控机的snmp协议端口的信息数据来画图监控。
　　3 cacti模板和rra 文件存入mysql数据库中。
　　2.2cacti架构图
　　lcacti工作流程架构图如下（图2）：
http://note.youdao.com/yws/res/20/908E3743026E491B8A734B203744D274
　　图2
　　l架构图解析
　　通过上图我们可以发现Cacti 有三大组件：MySQL 数据库、RRDtool 工具、Net-Snmp 程序。MySQL并不负责监控数据的存储，只保存模板和rra 文件与主机对应等信息，而真正的监控数据存储和图像展现都是rrdtool 来做的。而Net-SNMP 负责数据的采集。
　　cacti是用php语言实现的一个软件，它的主要功能是用snmp服务获取数据，然后用rrdtool储存和更新数据，当用户需要查看数据的时候用rrdtool生成图表呈现给用户。因此，snmp和rrdtool是cacti的关键。Snmp关系着数据的收集，rrdtool关系着数据存储和图表的生成。
　　Mysql配合PHP程序存储一些变量数据并对变量数据进行调用，如：主机名、主机ip、snmp团体名、端口号、模板信息等变量。
　　snmp抓到数据不是存储在mysql中，而是存在rrdtool生成的rrd文件中（在cacti根目录的rra文件夹下）。rrdtool对数据的更新和存储就是对rrd文件的处理，rrd文件是大小固定的档案文件（Round Robin Archive），它能够存储的数据笔数在创建时就已经定义。
　　3    安装配置
　　3.1安装配置nginx
　　3.1.1    安装依赖程序
　　lyum安装部分
　　yum install -y pcrepcre-develgdgd-develGeoIPGeoIP-develgcc-c++
　　l编译安装部分
　　安装libunwind和google-perftools
　　#wget http://download.savannah.gnu.org/releases/libunwind/libunwind-0.99-beta.tar.gz
　　#tar -xzvf libunwind-0.99-beta.tar.gz
　　#cd libunwind-0.99-beta
　　#./configure
　　#make
　　#make install
　　#echo "/usr/local/lib" >> /etc/ld.so.conf
　　#ldconfig
　　#wget http://down1.chinaunix.net/distfiles/google-perftools-1.9.tar.gz
　　#tar -xzvf google-perftools-1.9.tar.gz
　　#cd google-perftools-1.9
　　#./configure
　　#make
　　#make install
　　#ldconfig
　　3.1.2    创建用户和组
　　# useradd -g users -s /bin/false -M webuser
　　# mkdir -p /opt/nginx/temp/client_body_temp
　　3.1.3    编译安装nginx
　　# tar -xzvf nginx-1.6.0.tar.gz
　　# cd nginx-1.6.0
　　#./configure --prefix=/opt/nginx \
　　--user=webuser \
　　--group=users \
　　--with-poll_module \
　　--with-http_ssl_module \
　　--with-http_realip_module \
　　--with-http_addition_module \
　　--with-http_geoip_module \
　　--with-http_flv_module \
　　--with-http_gzip_static_module \
　　--with-http_secure_link_module \
　　--with-http_stub_status_module \
　　--http-client-body-temp-path=/opt/nginx/temp/client_body_temp \
　　--http-proxy-temp-path=/opt/nginx/temp/proxy_temp \
　　--http-fastcgi-temp-path=/opt/nginx/temp/fastcgi_temp \
　　--http-uwsgi-temp-path=/opt/nginx/temp/uwsgi_temp \
　　--http-scgi-temp-path=/opt/nginx/temp/scgi_temp \
　　--with-google_perftools_module
　　make
　　makeinstall
　　3.1.4    配置nginx
　　l修改nginx配置文件
　　vi /opt/nginx/conf/nginx.conf（红色为修改部分）
userwebuser users;
worker_processes1;

#error_loglogs/error.log;
error_loglogs/error.lognotice;
#error_loglogs/error.loginfo;

pid    logs/nginx.pid;

events {
worker_connections1024;
}

http {
include    mime.types;
default_typeapplication/octet-stream;

#log_formatmain'$remote_addr - $remote_user [$time_local] "$request" '
#                '$status $body_bytes_sent "$http_referer" '
#                '"$http_user_agent" "$http_x_forwarded_for"';

#access_loglogs/access.logmain;

sendfile    on;
#tcp_nopush on;

#keepalive_timeout0;
keepalive_timeout65;

#gzipon;
server {
   listen    80;
   server_name10.0.112.100;

   #charset koi8-r;

   #access_loglogs/host.access.logmain;

   location / {
         root html;
         indexindex.html index.htm index.php;
   }

   #error_page404          /404.html;

   # redirect server error pages to the static page /50x.html
   #
   error_page 500 502 503 504/50x.html;
   location = /50x.html {
         root html;
   }

   location ~ \.php$ {
         root       html;
         fastcgi_pass 127.0.0.1:9000;
         fastcgi_indexindex.php;
         fastcgi_paramSCRIPT_FILENAME$document_root$fastcgi_script_name;
         include    fastcgi.conf;
         fastcgi_ignore_client_abort on;
   }
}
}　　3.1.5    启动，关闭，重新加载nginx
　　l启动nginx
　　# /opt/nginx/sbin/nginx
　　l关闭停止nginx
　　# /opt/nginx/sbin/nginx -s stop
　　l重新加载nginx配置
　　# /usr/sbin/nginx -s reload
　　至此，已经完成了nginx的安装部署。
　　3.2安装配置PHP
　　3.2.1    安装依赖程序
　　lyum安装部分
　　yum install libxml2-devel bzip2-devel libcurl-devel freetype-devel libpng-devel mysql-devel
　　l编译安装部分
　　tar zxvf libmcrypt-2.5.7.tar.gz
　　cd libmcrypt-2.5.7
　　./configure --prefix=/usr/local/libmcrytp
　　make
　　make install
　　tar zxvf freetds-0.95rc3.tar.gz
　　cd freetds-0.95rc3
　　./configure
　　make
　　make install
　　l库文件软连接
　　ln -s /usr/lib64/mysql/libmysqlclient.so.16.0.0 /usr/lib/libmysqlclient.so
　　3.2.2    编译安装php
　　./configure --prefix=/opt/php5 \
　　--sysconfdir=/opt/php5/etc \
　　--enable-soap \
　　--enable-fpm \
　　--enable-ftp \
　　--enable-gd-native-ttf \
　　--enable-mbstring \
　　--enable-shmop=shared \
　　--enable-sockets \
　　--enable-sysvsem=shared \
　　--enable-zip \
　　--disable-ctype \
　　--disable-ipv6 \
　　--disable-mbregex \
　　--disable-mbregex-backtrack \
　　--disable-posix \
　　--disable-tokenizer \
　　--with-bz2=shared \
　　--with-config-file-path=/opt/php5/etc \
　　--with-curl \
　　--with-curlwrappers \
　　--with-freetype-dir=/usr \
　　--with-fpm-group=users \
　　--with-fpm-user=webuser \
　　--with-gd \
　　--with-iconv-dir=shared \
　　--with-ldap-sasl=shared,/usr \
　　--with-mcrypt=/usr/local/libmcrytp \
　　--with-mhash=shared \
　　--with-mssql=shared \
　　--with-mysql=/usr \
　　--with-mysqli=/usr/bin/mysql_config \
　　--with-openssl \
　　--with-pdo-mysql=shared \
　　--with-zlib \
　　--without-cdb \
　　--without-pdo-sqlite \
　　--with-png-dir=/usr --without-sqlite3
　　make
　　make install
　　3.2.3    配置php
　　l拷贝配置文件
　　cp /opt/php5/etc/php-fpm.conf.default/opt/php5/etc/php-fpm.conf
　　cp /usr/local/src/php-5.4.28/php.ini-production /opt/php5/etc/php.ini
　　l修改php.ini
　　# vi /opt/php5/etc/php.ini
　　在Dynamic Extensions 段下添加以下内容：
　　extension=eaccelerator.so
　　extension=memcache.so
　　extension=mongo.so
　　extension=redis.so
　　extension=pdo_dblib.so
　　extension=pdo_mysql.so
　　在末尾增加以下关于eaccelerator的配置：
　　short_open_tag="On"
　　eaccelerator.cache_dir="/opt/php5/var/tmp/eaccelerator_cache"
　　eaccelerator.debug="0"
　　eaccelerator.shm_only="1"
　　eaccelerator.shm_size="256"
　　修改以下配置：
　　default_charset = "UTF-8"
　　error_log = /opt/php5/var/log/php_errors.log
　　html_errors = off
　　upload_max_filesize = 32M
　　upload_tmp_dir = /opt/php5/var/tmp
　　date.timezone="Asia/Shanghai"
　　include_path = ".:/opt/php5/include/php:/opt/php5/lib/php"
　　short_open_tag = On
　　l配置php-fpm服务
　　# cp ./sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
　　其中. /sapi/fpm/init.d.php-fpm为存放在源码包中的文件
　　# chmod 755 /etc/init.d/php-fpm
　　# chkconfig --add php-fpm
　　# cp /opt/php5/etc/php-fpm.conf.default /opt/php5/etc/php-fpm.conf
　　3.2.4    启动，关闭，重新加载php
　　l运行php
　　# service php-fpm start
　　l停止php
　　# service php-fpm stop
　　l重新加载php
　　# service php-fpm restart
　　3.3安装配置mysql
　　3.3.1    yum安装mysql
　　yum install mysql-server mysql
　　3.3.2    启动mysql
　　/etc/ini.d/mysqld start
　　3.3.3    设置用户密码
　　mysqladmin -u root -p password "123456"
　　3.4安装配置cacti
　　3.4.1    下载cacti
　　这里下载的版本是0.8.8c
　　http://www.cacti.net/downloads/cacti-0.8.8c.tar.gz
　　http://www.cacti.net/downloads/ （里面可以自己选择相应版本）
　　3.4.2    安装cacti
　　l解压cacti
　　tar zxvfcacti-0.8.8c.tar.gz
　　l拷贝cacti
　　cp –rf cacti-0.8.8c /opt/nginx/html
　　3.4.3    数据库设置
　　l导入cacti数据库
　　mysql –uroot –p
　　mysql> create database cacti
　　mysql> quit
　　tar zxvf
　　mysql –uroot –p cacti < cacti.sql
　　注：cacti.sql文件位置：/opt/nginx/html/cacti/cacti.sql
　　l创建cacti数据库用户
　　useradd cacti
　　vi /etc/passwd
　　cacti:x:501:501::/home/cacti:/sbin/nologin          #设置cacti用户不可登陆，增加安全性
　　mysql –uroot –p
　　mysql> GRANT ALL ON cacti.* TO cactiuser@localhost IDENTIFIED BY 'cacti123';
　　3.4.4    配置修改
　　vi /opt/nginx/html/cacti/include/config.php
　　$database_type = "mysql";
　　$database_default = "cacti";
　　$database_hostname = "127.0.0.1";
　　$database_username = "cacti";
　　$database_password = "cacti123";
　　$database_port = "3306";
　　$database_ssl = false;
　　3.4.5    增加crontab
　　crontab –e
　　*/5 * * * * /opt/php5/bin/php /opt/nginx/html/cacti/poller.php
　　3.5网页安装cacti
　　注意：如果出现网页图片为x，nginx错误日志报错为这样类似：FastCGI sent in stderr: "Access to the script '/var/www/html//phpmyadmin/setup/styles.css' has been denied (see security.limit_extensions)"
　　从5.3.9开始，php官方加入了一个配置"security.limit_extensions"，默认状态下只允许执行扩展名为".php"的文件，造成了其他类型的文件不支持的问题。
　　修改php-fpm.conf,找到security.limit_extensions把他修改为：
　　security.limit_extensions=.php .html .js .css .jpg .jpeg .gif .png .htm (常用的文件扩展名)
　　就解决了
　　l安装地址：http://IP/cacti/install 并按Next继续，如图（图3）：
http://note.youdao.com/yws/res/14/3EE53755B475472F96DBB2627A89DE45
　　图3
　　l选择New install 并按Next继续，如图（图4）：
http://note.youdao.com/yws/res/16/69498886D7B445B0AFEF11EE7CC42C57
　　图4
　　l填写正确rrdtool和php程序路径，并按Finish完成安装。如图（图5）
http://note.youdao.com/yws/res/15/AB71E0998FB34263A5E1C426D4BBD121
　　图5
　　3.6登陆cacti
　　l登陆地址：http://IP/cacti/ 初始用户名：admin 初始密码：admin 如图（图6）
http://note.youdao.com/yws/res/19/BC752B1B37BB4BB79B41C78043765D18
　　图6
　　ladmin用户初次登陆，会被要求强制修改密码，这里我修改密码为：123456，点击“Save（保存）”。如图（图7）：
http://note.youdao.com/yws/res/17/431EFB0897D94013BC5647FE0435D0E6
　　图7
　　l这是登陆cacti界面，如图（图8）：
http://note.youdao.com/yws/res/18/37A5C06B956A4D1D9682F4239D612BF7
　　图8
　　3.7安装配置cacti-spine
　　3.7.1    前言
　　出于效率原因，在大量采集数据时使用自带的cmd.php轮询器会比较慢，1分钟1次的采集频率可能无法完成轮询所有机器。这里为了优化，采用官方推荐的spine来高效轮询。
　　3.7.2    下载cacti-spine
　　注：必须和cacti版本一致
　　http://www.cacti.net/downloads/spine/cacti-spine-0.8.8c.tar.gz
　　http://www.cacti.net/downloads/spine/（里面可以自己选择相应版本）
　　3.7.3    编译安装
　　tar zxvf cacti-spine-0.8.8c.tar.gz
　　cd cacti-spine-0.8.8c
　　./configure
　　make
　　make install
　　3.7.4    修改配置
　　cd /usr/local/spine/etc
　　cp spine.conf.dist spine.conf
　　vi spine.conf
　　DB_Host       127.0.0.1
　　DB_Database cacti
　　DB_User       cacti
　　DB_Pass       cacti123
　　DB_Port       3306
　　DB_PreG       0
　　3.7.5    配置修改
　　l登陆cacti，选择Settings 如图（图9）
http://note.youdao.com/yws/res/91/4E2DA5119839402F99CA8949F0B6DF84
　　图9
　　l然后选择poller，并在poller type 里面选择spine 并点击save保存。如图（图10）：
http://note.youdao.com/yws/res/23/B1D26AF4407B458EB7774E2652A6009C
http://note.youdao.com/yws/res/29/DE97EC633F6248BEB5ACE1DF8EB18158
　　图10
　　3.8安装配置snmp（被监控机操作）
　　3.8.1    安装snmp
　　yum install net-snmp net-snmp-libs net-snmp-utils
　　3.8.2    配置snmp
　　vi /etc/snmp/snmpd.conf       修改下内容
　　com2sec notConfigUser192.168.0.1    123456
　　cacti的IP    snmp密码
　　view all included.1 #去掉注释
　　accessnotConfigGroup ""    any    noauth exactall none none #改成all
　　3.8.3    启动snmp
　　/etc/init.d/snmpd start
　　3.9窗口界面基本操作
　　3.9.1    增加主机
　　l点击devices，再点击add进入添加主机页面，如图（图11）
http://note.youdao.com/yws/res/83/9B87B4C5C64C429D8A50D990B1AC74FA
　　图11
　　l填写主机相应信息，并保存。如图（图12，图13）
http://note.youdao.com/yws/res/52/CDA0609CA16F4748BC2A3C4F2A081757
　　图12
http://note.youdao.com/yws/res/69/470CB5C4C72B48CC822093426A6ADA33
　　图13
　　l再次进入主机页面，选择相应图形模板添加并保存。如图（图14）
http://note.youdao.com/yws/res/56/824245CEFEE44F6392B1568468644771
　　图14
　　3.9.2    增加图形
　　l点击New Graphs进入增加图形界面，如图（图15）
http://note.youdao.com/yws/res/59/BDCE5A9458664D269CB0FDE6F68273C4
　　图15
　　l选择需要增加的图形，然后创建，如图（图16）
http://note.youdao.com/yws/res/57/51D17E8BBE924540BA724FA3FA525D45
　　图16
　　3.9.3    创建目录树
　　l点击Graph Trees进入创建目录树。并点击Add创建。如图（图17）
http://note.youdao.com/yws/res/87/3FC2EA4609FD4ED6AE6955A15195F6F6
　　图17
　　l输入名字后，点击创建。如图（图18）
http://note.youdao.com/yws/res/90/3FF0A61E0674489F96F92C8AE25AF65A
　　图18
　　l然后点击Add添加主机到目录树下，如图（图19）
http://note.youdao.com/yws/res/86/DE0923C885CB466FBA869D14502EE37A
　　图19
　　l选择host，再选择主机名，并创建，如图（图20）
http://note.youdao.com/yws/res/82/D6EBDE746D3B4FD8B58931CC2E0647B0
　　图20
　　3.10 查看监控图
　　直接点击graphs就可以查看监控图，如图（图21）
http://note.youdao.com/yws/res/62/6A35827C110C4C5CB41D42E282090DF9
　　图21
　　4    监控IO
　　4.1前言
　　监控硬盘IO这里介绍两种方法，一个是通过snmpdiskio监控IO，还一个是Cacti_Net-SNMP监控IO。推荐使用snmpdiskio，但如果这种监控方法失败或者内核已经超过2.6版本。就使用第二种方法Cacti_Net-SNMP。两种方法效果基本是一样的，看个人喜好选择吧。
　　4.2通过snmpdiskio监控IO
　　4.2.1    解压snmpdiskio
　　tar zxvf snmpdiskio-0.9.4.tar.gz
　　4.2.2    拷贝partition.xml（监控机操作）
　　cp snmpdiskio-0.9.4/partition.xml /opt/nginx/html/cacti/resource/snmp_queries/
　　4.2.3    修改partition.xml
　　注意：下面oid要根据实际情况更改，比如如下：
　　snmpwalk -v 2c -c public 192.168.8.131 .1.3.6.1.4.1.2021.54
　　UCD-SNMP-MIB::ucdavis.54.1.0 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.54.2.1.2.5.104.100.78.117.109 = STRING: "/bin/bash"
　　UCD-SNMP-MIB::ucdavis.54.2.1.3.5.104.100.78.117.109 = STRING: "/usr/local/bin/snmpdiskio hdNum"
　　UCD-SNMP-MIB::ucdavis.54.2.1.4.5.104.100.78.117.109 = ""
　　UCD-SNMP-MIB::ucdavis.54.2.1.5.5.104.100.78.117.109 = INTEGER: 5
　　UCD-SNMP-MIB::ucdavis.54.2.1.6.5.104.100.78.117.109 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.54.2.1.7.5.104.100.78.117.109 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.54.2.1.20.5.104.100.78.117.109 = INTEGER: 4
　　UCD-SNMP-MIB::ucdavis.54.2.1.21.5.104.100.78.117.109 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.54.3.1.1.5.104.100.78.117.109 = STRING: "33"
　　UCD-SNMP-MIB::ucdavis.54.3.1.2.5.104.100.78.117.109 = STRING: "33"
　　UCD-SNMP-MIB::ucdavis.54.3.1.3.5.104.100.78.117.109 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.54.3.1.4.5.104.100.78.117.109 = INTEGER: 0
　　UCD-SNMP-MIB::ucdavis.54.4.1.2.5.104.100.78.117.109.1 = STRING: "33"
　　OID是.1.3.6.1.4.1.2021.54.4.1.2.5.104.100.78.117.109.1
　　
　　snmpwalk -v 2c -c public 192.168.8.131 .1.3.6.1.4.1.2021.55
　　UCD-SNMP-MIB::ucdavis.55.1.0 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.55.2.1.2.7.104.100.73.110.100.101.120 = STRING: "/bin/bash"
　　UCD-SNMP-MIB::ucdavis.55.2.1.3.7.104.100.73.110.100.101.120 = STRING: "/usr/local/bin/snmpdiskio hdIndex"
　　UCD-SNMP-MIB::ucdavis.55.2.1.4.7.104.100.73.110.100.101.120 = ""
　　UCD-SNMP-MIB::ucdavis.55.2.1.5.7.104.100.73.110.100.101.120 = INTEGER: 5
　　UCD-SNMP-MIB::ucdavis.55.2.1.6.7.104.100.73.110.100.101.120 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.55.2.1.7.7.104.100.73.110.100.101.120 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.55.2.1.20.7.104.100.73.110.100.101.120 = INTEGER: 4
　　UCD-SNMP-MIB::ucdavis.55.2.1.21.7.104.100.73.110.100.101.120 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.55.3.1.1.7.104.100.73.110.100.101.120 = STRING: "1"
　　UCD-SNMP-MIB::ucdavis.55.3.1.2.7.104.100.73.110.100.101.120 = STRING: "1
　　2
　　3
　　4
　　5
　　6
　　7
　　8
　　9
　　10
　　11
　　12
　　13
　　14
　　15
　　16
　　17
　　18
　　19
　　20
　　21
　　22
　　23
　　24
　　25
　　26
　　27
　　28
　　29
　　30
　　31
　　32
　　33"
　　UCD-SNMP-MIB::ucdavis.55.3.1.3.7.104.100.73.110.100.101.120 = INTEGER: 33
　　UCD-SNMP-MIB::ucdavis.55.3.1.4.7.104.100.73.110.100.101.120 = INTEGER: 0
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.1 = STRING: "1"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.2 = STRING: "2"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.3 = STRING: "3"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.4 = STRING: "4"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.5 = STRING: "5"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.6 = STRING: "6"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.7 = STRING: "7"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.8 = STRING: "8"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.9 = STRING: "9"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.10 = STRING: "10"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.11 = STRING: "11"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.12 = STRING: "12"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.13 = STRING: "13"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.14 = STRING: "14"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.15 = STRING: "15"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.16 = STRING: "16"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.17 = STRING: "17"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.18 = STRING: "18"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.19 = STRING: "19"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.20 = STRING: "20"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.21 = STRING: "21"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.22 = STRING: "22"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.23 = STRING: "23"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.24 = STRING: "24"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.25 = STRING: "25"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.26 = STRING: "26"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.27 = STRING: "27"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.28 = STRING: "28"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.29 = STRING: "29"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.30 = STRING: "30"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.31 = STRING: "31"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.32 = STRING: "32"
　　UCD-SNMP-MIB::ucdavis.55.4.1.2.7.104.100.73.110.100.101.120.33 = STRING: "33"
　　OID是.1.3.6.1.4.1.2021.55.4.1.2.7.104.100.73.110.100.101.120
　　
　　snmpwalk -v 2c -c public 192.168.8.131 .1.3.6.1.4.1.2021.56
　　UCD-SNMP-MIB::ucdavis.56.1.0 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.56.2.1.2.7.104.100.68.101.115.99.114 = STRING: "/bin/bash"
　　UCD-SNMP-MIB::ucdavis.56.2.1.3.7.104.100.68.101.115.99.114 = STRING: "/usr/local/bin/snmpdiskio hdDescr"
　　UCD-SNMP-MIB::ucdavis.56.2.1.4.7.104.100.68.101.115.99.114 = ""
　　UCD-SNMP-MIB::ucdavis.56.2.1.5.7.104.100.68.101.115.99.114 = INTEGER: 5
　　UCD-SNMP-MIB::ucdavis.56.2.1.6.7.104.100.68.101.115.99.114 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.56.2.1.7.7.104.100.68.101.115.99.114 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.56.2.1.20.7.104.100.68.101.115.99.114 = INTEGER: 4
　　UCD-SNMP-MIB::ucdavis.56.2.1.21.7.104.100.68.101.115.99.114 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.56.3.1.1.7.104.100.68.101.115.99.114 = STRING: "ram0"
　　UCD-SNMP-MIB::ucdavis.56.3.1.2.7.104.100.68.101.115.99.114 = STRING: "ram0
　　ram1
　　ram2
　　ram3
　　ram4
　　ram5
　　ram6
　　ram7
　　ram8
　　ram9
　　ram10
　　ram11
　　ram12
　　ram13
　　ram14
　　ram15
　　loop0
　　loop1
　　loop2
　　loop3
　　loop4
　　loop5
　　loop6
　　loop7
　　sr0
　　sda
　　sda1
　　sda2
　　sda3
　　sdb
　　sdb1
　　sdb2
　　dm-0"
　　UCD-SNMP-MIB::ucdavis.56.3.1.3.7.104.100.68.101.115.99.114 = INTEGER: 33
　　UCD-SNMP-MIB::ucdavis.56.3.1.4.7.104.100.68.101.115.99.114 = INTEGER: 0
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.1 = STRING: "ram0"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.2 = STRING: "ram1"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.3 = STRING: "ram2"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.4 = STRING: "ram3"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.5 = STRING: "ram4"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.6 = STRING: "ram5"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.7 = STRING: "ram6"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.8 = STRING: "ram7"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.9 = STRING: "ram8"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.10 = STRING: "ram9"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.11 = STRING: "ram10"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.12 = STRING: "ram11"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.13 = STRING: "ram12"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.14 = STRING: "ram13"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.15 = STRING: "ram14"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.16 = STRING: "ram15"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.17 = STRING: "loop0"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.18 = STRING: "loop1"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.19 = STRING: "loop2"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.20 = STRING: "loop3"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.21 = STRING: "loop4"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.22 = STRING: "loop5"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.23 = STRING: "loop6"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.24 = STRING: "loop7"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.25 = STRING: "sr0"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.26 = STRING: "sda"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.27 = STRING: "sda1"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.28 = STRING: "sda2"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.29 = STRING: "sda3"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.30 = STRING: "sdb"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.31 = STRING: "sdb1"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.32 = STRING: "sdb2"
　　UCD-SNMP-MIB::ucdavis.56.4.1.2.7.104.100.68.101.115.99.114.33 = STRING: "dm-0"
　　OID是.1.3.6.1.4.1.2021.56.4.1.2.7.104.100.68.101.115.99.114
　　snmpwalk -v 2c -c pubilc 192.168.8.131 .1.3.6.1.4.1.2021.57
　　UCD-SNMP-MIB::ucdavis.57.1.0 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.57.2.1.2.10.104.100.73.110.66.108.111.99.107.115 = STRING: "/bin/bash"
　　UCD-SNMP-MIB::ucdavis.57.2.1.3.10.104.100.73.110.66.108.111.99.107.115 = STRING: "/usr/local/bin/snmpdiskio hdInBlocks"
　　UCD-SNMP-MIB::ucdavis.57.2.1.4.10.104.100.73.110.66.108.111.99.107.115 = ""
　　UCD-SNMP-MIB::ucdavis.57.2.1.5.10.104.100.73.110.66.108.111.99.107.115 = INTEGER: 5
　　UCD-SNMP-MIB::ucdavis.57.2.1.6.10.104.100.73.110.66.108.111.99.107.115 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.57.2.1.7.10.104.100.73.110.66.108.111.99.107.115 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.57.2.1.20.10.104.100.73.110.66.108.111.99.107.115 = INTEGER: 4
　　UCD-SNMP-MIB::ucdavis.57.2.1.21.10.104.100.73.110.66.108.111.99.107.115 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.57.3.1.1.10.104.100.73.110.66.108.111.99.107.115 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.3.1.2.10.104.100.73.110.66.108.111.99.107.115 = STRING: "0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　2807481356288
　　45056
　　156467200
　　2807324844032
　　855380480
　　438969344
　　416407040
　　416194560"
　　UCD-SNMP-MIB::ucdavis.57.3.1.3.10.104.100.73.110.66.108.111.99.107.115 = INTEGER: 33
　　UCD-SNMP-MIB::ucdavis.57.3.1.4.10.104.100.73.110.66.108.111.99.107.115 = INTEGER: 0
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.1 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.2 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.3 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.4 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.5 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.6 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.7 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.8 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.9 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.10 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.11 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.12 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.13 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.14 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.15 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.16 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.17 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.18 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.19 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.20 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.21 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.22 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.23 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.24 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.25 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.26 = STRING: "2807481356288"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.27 = STRING: "45056"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.28 = STRING: "156467200"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.29 = STRING: "2807324844032"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.30 = STRING: "855380480"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.31 = STRING: "438969344"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.32 = STRING: "416407040"
　　UCD-SNMP-MIB::ucdavis.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115.33 = STRING: "416194560"
　　OID是.1.3.6.1.4.1.2021.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115
　　
　　snmpwalk -v 2c -c public 192.168.8.131 .1.3.6.1.4.1.2021.58
　　UCD-SNMP-MIB::ucdavis.58.1.0 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.58.2.1.2.11.104.100.79.117.116.66.108.111.99.107.115 = STRING: "/bin/bash"
　　UCD-SNMP-MIB::ucdavis.58.2.1.3.11.104.100.79.117.116.66.108.111.99.107.115 = STRING: "/usr/local/bin/snmpdiskio hdOutBlocks"
　　UCD-SNMP-MIB::ucdavis.58.2.1.4.11.104.100.79.117.116.66.108.111.99.107.115 = ""
　　UCD-SNMP-MIB::ucdavis.58.2.1.5.11.104.100.79.117.116.66.108.111.99.107.115 = INTEGER: 5
　　UCD-SNMP-MIB::ucdavis.58.2.1.6.11.104.100.79.117.116.66.108.111.99.107.115 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.58.2.1.7.11.104.100.79.117.116.66.108.111.99.107.115 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.58.2.1.20.11.104.100.79.117.116.66.108.111.99.107.115 = INTEGER: 4
　　UCD-SNMP-MIB::ucdavis.58.2.1.21.11.104.100.79.117.116.66.108.111.99.107.115 = INTEGER: 1
　　UCD-SNMP-MIB::ucdavis.58.3.1.1.11.104.100.79.117.116.66.108.111.99.107.115 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.3.1.2.11.104.100.79.117.116.66.108.111.99.107.115 = STRING: "0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　0
　　4083470336
　　2640896
　　13680640
　　4066096128
　　150828032
　　138458112
　　12132352
　　8193024"
　　UCD-SNMP-MIB::ucdavis.58.3.1.3.11.104.100.79.117.116.66.108.111.99.107.115 = INTEGER: 33
　　UCD-SNMP-MIB::ucdavis.58.3.1.4.11.104.100.79.117.116.66.108.111.99.107.115 = INTEGER: 0
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.1 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.2 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.3 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.4 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.5 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.6 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.7 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.8 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.9 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.10 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.11 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.12 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.13 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.14 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.15 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.16 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.17 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.18 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.19 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.20 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.21 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.22 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.23 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.24 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.25 = STRING: "0"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.26 = STRING: "4083470336"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.27 = STRING: "2640896"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.28 = STRING: "13680640"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.29 = STRING: "4066096128"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.30 = STRING: "150828032"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.31 = STRING: "138458112"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.32 = STRING: "12132352"
　　UCD-SNMP-MIB::ucdavis.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115.33 = STRING: "8193024"
　　OID是.1.3.6.1.4.1.2021.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115

   Get SNMP Partitions
   Queries a host for a list of monitorable partitions
   .1.3.6.1.4.1.2021.55.4.1.2.7.104.100.73.110.100.101.120
   .1.3.6.1.4.1.2021.54.4.1.2.5.104.100.78.117.109.1
   hdDescr:hdIndex
   numeric
   |chosen_order_field|



                  Index
                  walk
                  value
                  input
                  .1.3.6.1.4.1.2021.55.4.1.2.7.104.100.73.110.100.101.120


                  Description
                  walk
                  value
                  input
                  .1.3.6.1.4.1.2021.56.4.1.2.7.104.100.68.101.115.99.114


                  Bytes Written
                  walk
                  value
                  output
                  .1.3.6.1.4.1.2021.57.4.1.2.10.104.100.73.110.66.108.111.99.107.115


                  Bytes Read
                  walk
                  value
                  output
                  .1.3.6.1.4.1.2021.58.4.1.2.11.104.100.79.117.116.66.108.111.99.107.115


　　4.2.4    升级snmpdiskio
　　由于9.4太老不支持2.6内核,需要修改升级
　　vi snmpdiskio-0.9.4/snmpdiskio    将下面内容覆盖到这文件
#!/bin/bash
# $Id: snmpdiskio,v 1.5 2008/01/31 21:19:50 dverlaeckt Exp $
# snmpdiskio v0.9.6 (c) 2008 Dieter Verlaeckt
# snmpdiskio v0.9.5 (c) 2007 Pablo Destefanis
# snmpdiskio v0.9.4 (c) 2006 Mikael Fridh

# Fields in /proc/partitions (kernel 2.4)
# major minor #blocks name rio rmerge rsect ruse wio wmerge wsect wuse running use aveq

# Fields in /proc/diskstats (kernel 2.6) for disks (i.e. hda)
# major minor name rio rmerge rsect ruse wio wmerge wsect wuse running use aveq

# Fields in /proc/diskstats (kernel 2.6) for partitions (i.e. hda1)
# major minor name rio rsect wio wsect

# InBlocks = sectors written to disk
# OutBlocks = sectors read from disk

# Set default procfile for kernel 2.4
PROCFILE="/proc/partitions"
MODE="linux24"

# Probably kernel 2.6:
if [ -f /proc/diskstats ]; then
PROCFILE=/proc/diskstats
MODE="linux26"
fi

function hdNum()
{
   awk ' BEGIN { num=0 } $1 ~ /+/ && $2 ~ /+/ { num++ } END { print num } ' $PROCFILE
}

function hdIndex()
{
   awk ' BEGIN { num=0 } $1 ~ /+/ && $2 ~ /+/ { num++; print num } ' $PROCFILE
}

function hdDescr()
{
   if [ "$MODE" = "linux26" ]; then
            awk ' $1 ~ /+/ && $2 ~ /+/ { printf "%s\n", $3 }' $PROCFILE
   else
            awk ' $1 ~ /+/ && $2 ~ /+/ { printf "%s\n", $4 }' $PROCFILE
   fi
}

function hdInBlocks()
{
   if [ "$MODE" = "linux26" ]; then
            awk ' $1 ~ /+/ && $2 ~ /+/ && NF == 7 { printf "%.0f\n", $7 * 512 }
                  $1 ~ /+/ && $2 ~ /+/ && NF == 14 { printf "%.0f\n", $10 * 512 } ' $PROCFILE
   else
            awk ' $1 ~ /+/ && $2 ~ /+/ && NF == 15 { printf "%.0f\n", $11 * 512 } ' $PROCFILE
   fi
}

function hdOutBlocks()
{
   if [ "$MODE" = "linux26" ]; then
            awk ' $1 ~ /+/ && $2 ~ /+/ && NF == 7 { printf "%.0f\n", $5 * 512 }
                  $1 ~ /+/ && $2 ~ /+/ && NF == 14 { printf "%.0f\n", $6 * 512 } ' $PROCFILE
   else
            awk ' $1 ~ /+/ && $2 ~ /+/ && NF == 15 { printf "%.0f\n", $7 * 512 } ' $PROCFILE
   fi
}

function usage()
{
   cat > ${TMPFILE}
echo "old_user[${a}]=${user[${a}]}" >> ${TMPFILE}
echo "old_nice[${a}]=${nice[${a}]}" >> ${TMPFILE}
echo "old_iowait[${a}]=${iowait[${a}]}" >> ${TMPFILE}
echo "old_irq[${a}]=${irq[${a}]}" >> ${TMPFILE}
echo "old_softirq[${a}]=${softirq[${a}]}" >> ${TMPFILE}
echo "old_idle[${a}]=${idle[${a}]}" >> ${TMPFILE}
echo "old_used[${a}]=${used[${a}]}" >> ${TMPFILE}
echo "old_total[${a}]=${total[${a}]}" >> ${TMPFILE}
done
}

read_tmpfile() {
if [ -e ${TMPFILE} ]; then
source ${TMPFILE}                # include the vars from the tmp file
fi
(( DEBUG )) && cat ${TMPFILE}
}

########################
# MAIN
########################

parse_options $@

read_tmpfile

procstat=$(cat /proc/stat 2>&1)
(( DEBUG )) && echo "$procstat"
cpucount=$(( $(grep -i cpu

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