Monitor External USB Storage with Synology DSM Integration

S.C.O.R.E. → Convenience → DeviceControl

Overview

The new Synology DSM integration allows users to connect and monitor external USB drives seamlessly. This capability enhances home storage management, enabling users to keep track of their data and ensure efficient use of external storage options.

Benefits

• Easily monitor the status and available space of external USB drives.
• Receive notifications for low storage or disconnections, preventing data loss.
• Streamline access to additional storage without complicated setups.

Intent

This capability aims to simplify external storage management for homeowners by integrating USB drive monitoring into their existing home capability setup. The outcome is enhanced visibility and control over external storage resources.

Preconditions

• Synology DS1621+ NAS is connected to the home network.
• External USB drive is plugged into the Synology NAS.
• Home Assistant is configured and integrated with Synology DSM.
• Home Assistant installed and configured.
• Application available and configured: Synology DSM.
• Integration available and authenticated: Zigbee2MQTT.
• Device installed and reachable: Energy Monitoring.

Actors

• Homeowner managing data storage
• Family members accessing shared media
• Guests needing temporary access to files

Trigger

The capability is triggered by the connection or disconnection of an external USB drive to the Synology NAS.

Workflow Diagram

flowchart TD
    A[USB Drive Connected] -->|check| B{{Is Drive Available?}}
    B -->|Yes| C[Monitor Storage Status]
    C --> D[Send Notifications]
    B -->|No| E[Log Disconnection]

Workflow Description

1. Connect USB Drive

An external USB drive is plugged into the Synology NAS, initiating the monitoring process.

2. Check Drive Status

The system checks if the connected USB drive is available for monitoring.

3. Monitor Storage

The system continuously monitors the storage status, including free space and health.

4. Send Alerts

If the drive’s storage falls below a certain threshold, notifications are sent to the user.

5. Log Disconnection

If the USB drive is disconnected, the system logs the event for future reference.

Postconditions

The homeowner is informed about the storage status of the external USB drive, allowing for proactive management of available space.

Optional Enhancements

• Integrate with media servers like Plex for easy access to stored media.
• Implement automated backup tasks to external storage.
• Add custom alerts for specific file types or folders.

Recommended Components

Source Examples

• 2026.1: Home is where the dashboard is ?? – Home Assistant (homeassistant)