server_monitoring
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server_monitoring [2009/11/18 13:49] – 172.26.0.166 | server_monitoring [2009/11/27 08:38] – alan | ||
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Interesting documentation: | Interesting documentation: | ||
- | ==== Notes ==== | + | ==== Troubleshooting |
+ | When Ganglia has problems displaying nodes it may need to be restarted. | ||
+ | * Stop data collection daemon on HPC: '' | ||
+ | * Stop monitoring daemon on HPC: '' | ||
+ | * Stop monitoring daemon on compute nodes: '' | ||
+ | * Start data collection daemon on HPC: '' | ||
+ | * Star monitoring daemon on HPC: '' | ||
+ | * Start monitoring daemon on compute nodes: '' | ||
- | It appears as if other CGIAR clusters have been configured to query our '' | + | Now go check the Ganglia web interface and see if the nodes have returned. |
- | < | + | |
- | # 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 | + | |
- | mcast_if eth0</ | + | |
- | + | ||
- | ==== Connections refused ==== | + | |
- | I kept seeing this error in ''/ | + | |
- | < | + | |
- | Apparently that is the Potato Center' | + | |
===== Monit ===== | ===== Monit ===== | ||
Line 92: | Line 70: | ||
< | < | ||
+ | Download and install plugins | ||
+ | < | ||
+ | $ wget http:// | ||
+ | $ tar xfz nagios-plugins-1.4.14.tar.gz | ||
+ | $ cd nagios-plugins-1.4.14 | ||
+ | $ ./configure && make && make install | ||
+ | </ | ||
+ | Edit the configuration files to add host and services to be monitored: | ||
+ | < | ||
+ | |||
+ | Check remote services http:// | ||
=== Accessing Nagios === | === Accessing Nagios === | ||