HDD temperature

Plugin: go.d.plugin Module: hddtemp

Overview

This collector monitors disk temperatures.

It retrieves temperature data for attached disks by querying the hddtemp daemon at regular intervals.

This collector is only supported on the following platforms:

• Linux

This collector supports collecting metrics from multiple instances of this integration, including remote instances.

Default Behavior

Auto-Detection

By default, this collector will attempt to connect to the hddtemp daemon on 127.0.0.1:7634

Limits

The default configuration for this integration does not impose any limits on data collection.

Performance Impact

The default configuration for this integration is not expected to impose a significant performance impact on the system.

Setup

You can configure the hddtemp collector in two ways:

Method	Best for	How to
UI	Fast setup without editing files	Go to Nodes → Configure this node → Collectors → Jobs, search for hddtemp, then click + to add a job.
File	If you prefer configuring via file, or need to automate deployments (e.g., with Ansible)	Edit go.d/hddtemp.conf and add a job.

important

UI configuration requires paid Netdata Cloud plan.

Prerequisites

Install hddtemp

Install hddtemp using your distribution's package manager.

Configuration

Options

The following options can be defined globally: update_every, autodetection_retry.

Config options

Group	Option	Description	Default	Required
Collection	update_every	Data collection interval (seconds).	1	no
	autodetection_retry	Autodetection retry interval (seconds). Set 0 to disable.	0	no
Target	address	hddtemp server address (IP:PORT).	127.0.0.1:7634	yes
	timeout	Connection, read, write, and name resolution timeout (seconds).	1	no

via UI

Configure the hddtemp collector from the Netdata web interface:

1. Go to Nodes.
2. Select the node where you want the hddtemp data-collection job to run and click the ⚙ (Configure this node). That node will run the data collection.
3. The Collectors → Jobs view opens by default.
4. In the Search box, type hddtemp (or scroll the list) to locate the hddtemp collector.
5. Click the + next to the hddtemp collector to add a new job.
6. Fill in the job fields, then click Test to verify the configuration and Submit to save.
   • Test runs the job with the provided settings and shows whether data can be collected.
   • If it fails, an error message appears with details (for example, connection refused, timeout, or command execution errors), so you can adjust and retest.

via File

The configuration file name for this integration is go.d/hddtemp.conf.

The file format is YAML. Generally, the structure is:

update_every: 1
autodetection_retry: 0
jobs:
  - name: some_name1
  - name: some_name2

You can edit the configuration file using the edit-config script from the Netdata config directory.

cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata
sudo ./edit-config go.d/hddtemp.conf

Examples

Basic

A basic example configuration.

Config

jobs:
  - name: local
    address: 127.0.0.1:7634

Multi-instance

Note: When you define multiple jobs, their names must be unique.

Collecting metrics from local and remote instances.

Config

jobs:
  - name: local
    address: 127.0.0.1:7634

  - name: remote
    address: 203.0.113.0:7634

Alerts

There are no alerts configured by default for this integration.

Metrics

Metrics grouped by scope.

The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels.

Per disk

These metrics refer to the Disk.

Labels:

Label	Description
disk_id	Disk identifier. It is derived from the device path (e.g. sda or ata-HUP722020APA330_BFJ0WS3F)
model	Disk model

Metrics:

Metric	Description	Dimensions	Unit
hddtemp.disk_temperature	Disk temperature	temperature	Celsius
hddtemp.disk_temperature_sensor_status	Disk temperature sensor status	ok, err, na, unk, nos, slp	status

Troubleshooting

Diagnostics

Debug Mode

Important: Debug mode is not supported for data collection jobs created via the UI using the Dyncfg feature.

To troubleshoot issues with the hddtemp collector, run the go.d.plugin with the debug option enabled. The output should give you clues as to why the collector isn't working.

• Navigate to the plugins.d directory, usually at /usr/libexec/netdata/plugins.d/. If that's not the case on your system, open netdata.conf and look for the plugins setting under [directories].

  cd /usr/libexec/netdata/plugins.d/

• Switch to the netdata user.

  sudo -u netdata -s

• Run the go.d.plugin to debug the collector:

  ./go.d.plugin -d -m hddtemp

  To debug a specific job:

  ./go.d.plugin -d -m hddtemp -j jobName

Getting Logs

If you're encountering problems with the hddtemp collector, follow these steps to retrieve logs and identify potential issues:

• Run the command specific to your system (systemd, non-systemd, or Docker container).
• Examine the output for any warnings or error messages that might indicate issues. These messages should provide clues about the root cause of the problem.

System with systemd

Use the following command to view logs generated since the last Netdata service restart:

journalctl _SYSTEMD_INVOCATION_ID="$(systemctl show --value --property=InvocationID netdata)" --namespace=netdata --grep hddtemp

System without systemd

Locate the collector log file, typically at /var/log/netdata/collector.log, and use grep to filter for collector's name:

grep hddtemp /var/log/netdata/collector.log

Note: This method shows logs from all restarts. Focus on the latest entries for troubleshooting current issues.

Docker Container

If your Netdata runs in a Docker container named "netdata" (replace if different), use this command:

docker logs netdata 2>&1 | grep hddtemp