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Argus Disk

Argus Disk is a free SMART monitoring daemon for Linux homelab systems.

Place
#24 of 30
Score
5.7
Argus Disk's website

What Argus Disk is

Argus Disk is a free SMART monitoring daemon for Linux homelab systems. It collects disk attributes every six hours, keeps a rolling 180-day history, and applies linear regression to estimate when an attribute may reach its critical threshold. Its thresholds are calibrated using Backblaze failure data rather than vendor defaults, according to the project. Temperature anomaly detection uses z-scores and requires a score of at least 2.0 across 10 or more samples. Optional ntfy integration sends status-change alerts with priority routing, while the Prometheus exporter makes health, status, temperature, sector counts, forecasts, and overall status available to dashboards such as Grafana. Argus also supports JMicron JMB576 pass-through for multi-bay DAS enclosures, including TerraMaster D5-300 and similar devices. The maker says it runs on the user's hardware without cloud use, keeping data within the local network. It requires a Linux host, Python 3.10 or later, and smartmontools; ntfy and Prometheus with Grafana are optional. The maker's quick start estimates about 10 minutes for installation and disk configuration.

Good

  • Keeps a rolling 180-day SMART history.
  • Forecasts critical thresholds using linear regression.
  • Optional ntfy status alerts include priority routing.
  • Prometheus metrics support dashboards such as Grafana.
  • Runs on the user's hardware without cloud use, according to its maker.

Watch out

  • Requires a Linux host, Python 3.10+, and smartmontools.
  • ntfy and Prometheus with Grafana are optional integrations.

Who it suits

Argus suits Linux homelab operators who want disk health trends and failure warnings. It is intended for a Linux host with Python 3.10+ and smartmontools.

Verdict

Argus Disk combines SMART history, threshold forecasts, and temperature anomaly detection for Linux homelabs. Its requirements and Linux-only scope make it a fit for users already running a compatible host.

Plans and prices

From Argus Disk's own pricing page, checked 5 Oct 2026.

All about pricing
PlanPriceWhat it gives you
FreeFreeLinux host · Python 3.10+ · smartmontools required

The facts

Each one read from Argus Disk's own pages, with the date it was checked.

What it does

Enclosure support
Argus supports JMicron JMB576 pass-through for multi-bay DAS enclosures, including TerraMaster D5-300 and similar devices.checked 5 Oct 2026
Failure thresholds
Argus says its thresholds are calibrated using Backblaze real-world failure data rather than vendor defaults.checked 5 Oct 2026
Forecasts
Linear regression on SMART history forecasts when an attribute will reach its critical threshold.checked 5 Oct 2026
Intended users
The maker describes Argus as a monitor for Linux homelab systems and recommends Debian 12 or Ubuntu 22.04 or later.checked 5 Oct 2026
License
Argus is distributed under the MIT License, which permits use, modification, and distribution subject to its terms.checked 5 Oct 2026
Monitoring integrations
The Prometheus exporter exposes disk health, status, temperature, sector counts, forecasts, and overall status metrics for dashboards such as Grafana.checked 5 Oct 2026
Notifications
An optional ntfy integration sends status-change alerts with priority routing.checked 5 Oct 2026
Privacy
The maker says Argus runs on the user's hardware, uses no cloud, and keeps data within the user's network.checked 5 Oct 2026
Purpose
Argus is a SMART monitoring daemon for Linux homelab systems that analyzes disk trends for early warning of failures.checked 5 Oct 2026
Requirements
The listed requirements include a Linux host, Python 3.10+, and smartmontools; ntfy and Prometheus with Grafana are optional.checked 5 Oct 2026
Setup
The maker's quick start says installation takes about 10 minutes using the install script and disk configuration.checked 5 Oct 2026
SMART history
It collects SMART attributes every six hours and builds a rolling 180-day history.checked 5 Oct 2026
Temperature detection
Temperature anomaly detection uses z-scores and requires a score of at least 2.0 over 10 or more samples.checked 5 Oct 2026

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