Table of Contents
使用munin-node监控硬件
其他注意事项:
Home Database Mysql Tutorial MMS 使用Munin-Node对硬件进行监控(11)

MMS 使用Munin-Node对硬件进行监控(11)

Jun 07, 2016 pm 04:38 PM
mms use monitor hardware conduct

MMS还可以服务器硬件进行监控,默认情况下,是收集不到数据的,需要安装munin-node来收集硬件统计信息的。点Hardware时,发现No data available。如图所示: 使用munin-node监控硬件 munin-node项目地址:http://munin-monitoring.org/http://munin.readthedo

MMS还可以服务器硬件进行监控,默认情况下,是收集不到数据的,需要安装munin-node来收集硬件统计信息的。 点Hardware时,发现No data available。如图所示: mms-munin-1

使用munin-node监控硬件

munin-node项目地址: http://munin-monitoring.org/ http://munin.readthedocs.org/en/latest/master/index.html munin-node是一个perl脚本。呵呵,有空去读读,顺便改造下能远程实行系统命令,岂不美哉。 MMS提供了通过munin来对硬件统计信息的收集和绘图。必需要在所需监控的主机上安装munin-node包。同时,需要确保监控代理可以访问munin-node服务的监听端口4949。 注意:munin-node和硬件监控只支持在Linux平台上的MongoDB实例。 Debian 和 Ubuntu 系统下:
sudo apt-get install munin-node
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centos、RedHat、Fedora 系统下: 需要先安装EPEL源。
rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
yum install munin-node
/etc/init.d/munin-node start
chkconfig munin-node on
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munin-node默认只允许本地连接,需要对需要连接的IP进行授权。
# vim /etc/munin/munin-node.conf 
cidr_allow 10.0.0.0/8
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我这里是运行10.0.0.0这个段所有IP。如果允许单个IP,添加allow ^10\.0\.100\.125$ mms-munin-2 munin支持的全部插件位于/usr/share/munin/plugins目录下。 启用的插件位于/etc/munin/plugins目录下。可以看到/etc/munin/plugins目录下的文件是指向/usr/share/munin/plugins目录下的文件的。 mms-munin-3 因此对于上面telnet不支持的iostat、iostat_ios可以这么来解决。
# cd /etc/munin/plugins/
# ln -s /usr/share/munin/plugins/iostat iostat
# ln -s /usr/share/munin/plugins/iostat_ios iostat_ios
# /etc/init.d/munin-node restart
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这样就可以获得到iostat、iostat_ios信息了。 mms-munin-4 如果要启用munin某个插件就可以这么来做: cd /etc/munin/plugins/ sudo ln -s /usr/share/munin/plugins/

其他注意事项:

1.?如果你有编号的磁盘设备,如/dev/sda1和/dev/sda2,那么就需要配置munin iostat插件来支持。编辑/etc/munin/plugin-conf.d/munin-node文件,添加下面内容: [iostat] env.SHOW_NUMBERED 1 2.如果munin有启用,但是?iostat ios数据没有出现。很可能munin-node没有权限访问munin/plugin-state/ 目录下的状态文件。查看/var/log/munin-node/munin-node.log日志查看文件的具体路径。可以使用以下方法解决:
touch /var/lib/munin/plugin-state/iostat-ios.state
chown -R [username]:[group] /var/lib/munin/plugin-state/
chmod -R 660 /var/lib/munin/plugin-state/
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username和group更改为munin-node执行的用户名和组。 3. 权限的问题。上面已经提到过的,默认情况下4949端口只允许本地连接的。需要修改/etc/munin/munin-node.conf 文件和防火墙来允许来源IP访问。 再返回来,看看前面有关硬件的监控信息有没有获取到数据: mms-munin-5 这次取到了数据。怎么监控其他硬件信息呢?
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