125176 May 2026

NAS-125176 Status: Feature Request / Suggestion Platform: TrueNAS SCALE / CORE 🔍 Executive Summary

TrueNAS already utilizes "Boot Environments," which act similarly to snapshots but require a reboot to switch between different OS versions. 🚀 Recommended Next Steps 125176

Encourages users to keep their systems updated with the latest security patches, knowing they have a fallback. 🛠️ Current Status & Workarounds ✨ Key Benefits Until this is fully integrated

Since you asked for a "report" on this topic, I have prepared a summary of this feature request and its importance for system administrators. 📋 Feature Report: NAS-125176 Automatic Snapshots During OS Upgrades moving from Bluefin to Dragonfish)

This request proposes a safety mechanism within the TrueNAS update utility. Before a system applies a major operating system upgrade (e.g., moving from Bluefin to Dragonfish), it would automatically trigger a ZFS snapshot of the boot pool. This ensures that if the new update fails or causes hardware incompatibility, the user can instantly roll back to a known-working state. ✨ Key Benefits

Until this is fully integrated as a "toggle" in the UI, include a Boot Pool Snapshot as a standard step in your maintenance checklist.

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