iNode server monitoring.

Configure Site24x7 plugin to monitor the performance metrics of your iNode servers.

iNode is a data structure in a Unix-style file system which stores the attributes and disk block locations of the object's data. Install and use our iNode monitoring tool and get detailed insights into server activity and health.

This document details how to configure the iNode plugin and the monitoring metrics for providing in-depth visibility into the performance, availability, and usage stats of iNode servers.

iNode performance monitoring metrics:

Install and configure the iNode plugin to monitor the performance metrics of your server. Use these key indicators to take informed troubleshooting decisions and ensure continuous functioning of your iNode enabled system:

Total iNodes

"inode_total" records the total number of iNodes currently available in your system.

Used iNodes

Monitor your iNode enabled system and record the toal number of iNodes currently in use with "inode_used".

Free iNodes

Monitor your iNode enabled system and record the toal number of iNodes currently free with "inode_free".

How it works?

  • Log-in to your Site24x7 account. Sign up here if you don't have one
  • Download and install the latest version of Site24x7 Linux Agent
  • Install the iNode plugin
  • The agent will execute the iNode plugin and push the data to the Site24x7 server

Prerequisites:

  • Site24X7 iNodeMon plugin uses python's "psutil" package to collect metrics. To install, use the below command:
  • pip install psutil
  • For more information on how to install "psutil", refer here.

iNode plugin installation:

  • Create a directory "iNodeMon", under Site24x7's Linux agent plugin directory - /opt/site24x7/monagent/plugins/
  • cd /opt/site24x7/monagent/plugins/
    sudo mkdir iNodeMon
  • Download the file "iNodeMon.py" from our GitHub repository and place it under the "iNodeMon" directory
  • cd iNodeMon
    sudo wget https://raw.githubusercontent.com/site24x7/plugins/master/iNodeMon/iNodeMon.py
  • Once the plugin file is downloaded, the agent will mark it up in the next data collection and you can view it in the Site24x7 web client

iNode plugin configuration:

  • In order to change the monitoring configuration, go to plugins directory and edit the required plugin file
  • iNode plugin file location - /opt/site24x7agent/monagent/plugins/iNodeMon/iNodeMon.py

  • Replace the shebang character "#!" with the appropriate path for Python 3 in your system
  • Eg : #!/usr/local/bin/python3
  • Make your changes in the config section (example given below)
  • Eg :
    HOST = "localhost"
    ADMINPORT = "4848"

Monitoring additional metrics:

  • To monitor additional metrics, edit the "iNodeMon.py" file and add the new metrics that need monitoring
  • Increment the plugin version value in the file "iNodeMon.py" to view the newly added metrics ( For e.g. Change the default plugin version from PLUGIN_VERSION = "1" to "PLUGIN_VERSION = "2")

Related plugins:

  • WebLogic plugin - Analyze performance of your WebLogic database servers
  • Memcached plugin - Analyze performance of your Memcached server
  • Gearman plugin - Optimize Gearman server performance and get comprehensive management reports
  • Nagios plugin - Execute thousands of Nagios plugins in Site24x7 without the need of running a Nagios server
  • Out-of-the-box plugins - Monitor your entire app stack with our extensive list of integrations
  • Create custom plugins - Create custom Linux and Windows plugins and monitor custom attributes
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