The number refers to a specific issue tracker entry for TrueNAS , the popular open-source storage operating system. Specifically, it is a suggestion to automatically create a snapshot as part of an OS upgrade (NAS-125176).
Updates to storage OS can sometimes break specialized network drivers or plugin configurations; snapshots allow for "one-click" restoration.
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 125176
If you are managing a TrueNAS system and want to support this feature:
Removes the human error of forgetting to manual backup before an update. The number refers to a specific issue tracker
Encourages users to keep their systems updated with the latest security patches, knowing they have a fallback. 🛠️ Current Status & Workarounds
Until this is fully integrated as a "toggle" in the UI, include a Boot Pool Snapshot as a standard step in your maintenance checklist. This request proposes a safety mechanism within the
While this specific automation is a popular suggestion among the community ( TrueNAS Community Forums ), it is not always enabled by default in every version.
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