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Monitoring Disk usage

Learn how to monitor the utilization of your physical Disks and get alerts when the number/percentage free is too low

This page describes what's being monitored for physical Disks in Nodinite, using one or more role-based Monitor Views. Nodinite monitors the state, based on user-defined thresholds, either global or specific. For managing the Disks, remote commands are available as Actions. These help you swiftly manage reported problems. The implemented Remote Actions are further detailed on this page.

Example list of monitored Disks in a Monitor View

Monitoring Features

Automatic Discovery
- The Nodinite Windows Server Monitoring Agent makes use of WMI and offers the automatic discovery of your physical Disks. Sharing insights is very easy from within Nodinite using Monitor Views.
State Evaluation - Based on user-defined thresholds (fixed/percentage)
Category-based monitoring - To help you sort out the different types of Disks, the monitored Resources are grouped by Categories

State evaluation for Disks

The monitored Disks are displayed within Nodinite as Resources. For example, if you have 3 physical Disks, then you will have 3 Resources in Nodinite.

The name of the Resources comes from the type of monitoring and volume label
- Free space for C: => Free space C:\
- Free space for D: => Free space D:\
All monitored Disks belong to one of the following Categories:

Category Description

Disk Ensure the Disk is operational and the free space is within user-defined monitoring thresholds

List of Disk-related categories as a filter in a Monitor View.
The Application name is the Display Name from the configuration of monitored Windows Server:

Category	Description
Disk	Ensure the Disk is operational and the free space is within user-defined monitoring thresholds

Each item (presented in Nodinite as a Resource), and is evaluated with a state. (OK, Warning, Error, Unavailable).

From within Nodinite, you can reconfigure the state evaluation on Resource level using the Expected State feature.

Note
Depending on the user-defined synchronization interval set for the Windows Server Monitoring Agent, there might be a delay before Nodinite Web Client/Monitor Views reflects upon the change. Click the Sync All button (or on the dropdown for individual agent selection) to force Nodinite to request a resynchronization request.

Option to force Nodinite to request a resynchronization request with the monitoring agent

Monitoring Disks

For the Disk, the monitored state evaluates as described in the table below:

State	Status	Description	Actions
Unavailable	Service not available	If the server can't be reached and evaluated either due to network or security-related problems Specific Disk does not exist	Review prerequisites
Error	Error state raised	The 'Disk' has too low free disk	Disk Chart Edit
Warning	Warning state raised	The 'Disk' has too low free disk	Disk Chart Edit
OK	Online	The 'Disk' accessible and is within user-defined monitoring thresholds	Disk Chart Edit

Actions for Disk

The following Remote Actions are available for the Disk Category:

Edit thresholds

You can manage the alert thresholds for selected Disk Resource by clicking on the Action button and then clicking on the Edit thresholds menu item within the 'Control Center' section.

Edit thresholds, using the 'Edit' action.

Next, click the option to present the modal.

Here's an example of the 'Edit thresholds' modal.

Metrics chart: Metrics

You can view some statistics about the selected Disk instance by clicking on the Action button and then clicking on the Disk chart menu item within the 'Control Center' section.

Show Disk statistics, using the 'Metrics' action.

Next, click the option to present the modal.

Here's an example of Disk usage statistics.

This modal is designed for the purpose of being used as a Widget in the Dashboard.

Disk statistics example as a Widget on the Dashboard.

Configuration

Use the Remote Configuration to manage the Disk configuration.

Disk

Click the Disk tab to manage Disk-related Monitoring options.

Here's an example of the 'Disk' tab.

The global values, used for Monitoring if not superseded by Specific configuration are:

Evaluation Type - Evaluation Type used for free disk space
- None - No evaluation is performed at all
- Percentage (default)
- Fixed
Percentage
- Warning Limit % - The minimum amount of free disk space in percentage before the Warning alert is triggered
- Error Limit % - The minimum amount of free disk space in percentage before the Error alert is triggered
Fixed
- Warning Limit (MB) - The minimum amount of free disk space in Megabyte before the Warning alert is triggered
- Error Limit (MB) - The minimum amount of free disk space in Megabyte before the Error alert is triggered
Description - User-friendly short description for this configuration.