Argus Disk vs Hard Disk Sentinel
Argus Disk
github.comHard Disk Sentinel
hdsentinel.comSide by side
| Figure | Argus Disk | Hard Disk Sentinel |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Windows | — | Yes |
| Linux | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 1 | 7 |
| Spec score · Disk Health Monitoring Software | 7.9 (#12) | 8.2 (#6) |
| Intended users | The maker describes Argus as a monitor for Linux homelab systems and recommends Debian 12 or Ubuntu 22.04 or later. | The maker describes serving home users, server administrators, small and large companies, and civil organizations. |
| Privacy | The maker says Argus runs on the user's hardware, uses no cloud, and keeps data within the user's network. | The maker says it does not sell, rent, or lease personal information and uses voluntary hardware reports to improve software and services without disclosing them to third parties. |
| Purpose | Argus is a SMART monitoring daemon for Linux homelab systems that analyzes disk trends for early warning of failures. | Hard Disk Sentinel monitors, diagnoses, tests, and reports on hard disk and SSD health, performance degradation, and failures. |
Plans
Hard Disk Sentinel
- DOSFree
- LinuxFree
- TrialFree
- Standard$22, paid once
- Professional$33, paid once
- Professional Family$59, paid once
- Enterprise$219.50, paid once
In their own words
Argus Disk
Argus Disk is a Linux SMART monitoring daemon for homelab systems. It gathers drive attributes every six hours and keeps a rolling 180-day history; linear regression uses that record to estimate when an attribute may reach its critical threshold. The maker says its thresholds are calibrated with Backblaze failure data rather than vendor defaults. Temperature anomaly detection uses z-scores, requiring a score of at least 2.0 over 10 or more samples. Optional ntfy integration can send status-change alerts with priority routing. An optional Prometheus exporter makes disk health, status, temperature, sector counts, forecasts, and overall status available to dashboards such as Grafana. Argus 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, and keeps data within the user's network. It requires a Linux host, Python 3.10 or later, and smartmontools; ntfy and Prometheus with Grafana are optional. Argus is free and distributed under the MIT License.
Hard Disk Sentinel
Hard Disk Sentinel has no write-up on Specifiction yet; its figures are above.