server_monitoring
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server_monitoring [2009/11/17 11:52] – 172.26.0.166 | server_monitoring [2010/10/19 17:18] – aorth | ||
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===== Server Monitoring ===== | ===== Server Monitoring ===== | ||
- | * [[#ganglia|Ganglia]] - Monitors cluster CPU, disk, network usage | + | * [[server_monitoring: |
- | * [[#monit|Monit]] - Monitors specific services | + | * [[server_monitoring: |
- | * [[#nagios|Nagios]] - Monitors | + | * [[server_monitoring: |
- | + | | |
- | ===== Ganglia ===== | + | |
- | + | ||
- | [[http:// | + | |
- | + | ||
- | You can see the ganglia installation here: http:// | + | |
- | + | ||
- | For some reason sometimes the graphs do not draw. If you reboot the cluster the graphs work for some days and then seem to stop drawing (the graphs appear blank). | + | |
- | + | ||
- | {{: | + | |
- | + | ||
- | Interesting documentation: | + | |
- | + | ||
- | ==== Notes ==== | + | |
- | + | ||
- | It appears as if other CGIAR clusters have been configured to query our '' | + | |
- | < | + | |
- | # Gmond config file for Cluster Cluster. | + | |
- | # Generated by ganglia.xml node without aid from the database. | + | |
- | # | + | |
- | name " | + | |
- | owner " | + | |
- | url " | + | |
- | latlong " | + | |
- | mcast_channel " | + | |
- | + | ||
- | + | ||
- | # | + | |
- | # Increase size of gmond user (gmetric) hash table. | + | |
- | # | + | |
- | num_custom_metrics 2048 | + | |
- | + | ||
- | # Uncomment the next line for monitoring by the Rocks Cluster Network. | + | |
- | trusted_hosts 220.227.242.214 # hpc.icrisat.cgiar.org | + | |
- | trusted_hosts 202.123.56.187 | + | |
- | trusted_hosts 216.244.151.133 # ? | + | |
- | trusted_hosts 200.62.229.37 | + | |
- | + | ||
- | # Listen only on the private cluster interface. | + | |
- | mcast_if eth0</ | + | |
- | + | ||
- | ==== Connections refused ==== | + | |
- | I kept seeing this error in ''/ | + | |
- | < | + | |
- | Apparently that is the Potato Center' | + | |
- | + | ||
- | ===== Monit ===== | + | |
- | + | ||
- | Monit is a free open source utility for managing and monitoring, processes, files, directories | + | |
- | Monit can start a process if it does not run, restart a process if it does not respond and stop a process if it uses too much resources. it logs to syslog or to its own log file and notifies you about error conditions and recovery status via customizable alert. | + | |
- | Monit provides a built-in HTTP(S) interface and you can use a browser to access the Monit server. | + | |
- | + | ||
- | M/Monit expand upon Monit' | + | |
- | + | ||
- | Get the latest version at: http:// | + | |
- | + | ||
- | < | + | |
- | $ tar xfz monit-5.0.3.tar.gz | + | |
- | $ cd monit-5.0.3 | + | |
- | $ ./configure && make && make install</ | + | |
- | Accessing monit: | + | |
- | http:// | + | |
- | + | ||
- | ===== Nagios ===== | + | |
- | + | ||
- | Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes. http:// | + | |
- | + | ||
- | === Installation === | + | |
- | + | ||
- | ---- | + | |
- | + | ||
- | Download the latest version of nagios while hot, from http:// | + | |
- | < | + | |
- | $ cd nagios-3.2.0 | + | |
- | $ ./ | + | |
- | $ make all </ | + | |
- | + | ||
- | === Configuration === | + | |
- | + | ||
- | ---- | + |