Ganglia (Computer resource monitor)

Server composition

• Monitoring server
  • k1sum0 (Debian9)

  • URL: http://k1sum0/ganglia (internal)

• Monitored servers
  • k1cam0
  • k1cam1 (SL7)
  • k1sum0 (Debian9)
  • k1sum1 (Debian9)
  • k1sumX (Debian9)
  • k1det0 (Debian9)
  • k1det1 (Debian9)
  • k1det2 (Debian9)
  • k1nfs0 (Debian9)
  • k1script (Debian8)

Installation

• Monitoring server

  • Duncan's memo

  > apt-get install rrdtool gmetad ganglia-webfrontend ganglia-monitor

  • Setting files: /etc/ganglia/gmond.conf and /etc/ganglia/gmetad.conf

• Monitored servers

  deb> apt-get install ganglia-monitor
  SL> yum install gmond

  • Setting files: /etc/ganglia/gmond.conf

Note

• We must restart ganglia service on all monitored servers after the monitoring server is rebooted (Why?).

  deb> systemctl restart ganglia-monitor
  SL> systemctl restart gmond