Table of contents
- 1. what's new in TrueNAS SCALE 25.04?
- 2. Installation or upgrade - same process!
- 3. Will the TrueNAS update delete my data?
- 4. Pro Tip: Restore the configuration
- 5 Why upgrade to Fagtooth?
- 6 Summary
What's new in TrueNAS SCALE 25.04?
Before we get to the installation process itself, it is worth mentioning some of the most important new features in the Fagtooth version:
Fibre Channel support (Enterprise version)
Linking API keys to users - better control of automation
X-Copy support via iSCSI - faster data copying
Fast Deduplication - now in production
These changes significantly affect the performance and security of the TrueNAS environment.
Installation or upgrade - same process!
The good news for TrueNAS users is that the process installations and updates is virtually identical. Whether you are starting from scratch or upgrading an existing system, the procedure looks the same.
Step by step:
-
Download the latest ISO image from truenas.com
-
Back up your system - including passwords!
-
Uruchom instalator z USB lub ISO
-
Select "Install" or "Upgrade".
-
Point to the correct system disks (boot pool) - user data will not be compromised
-
Configure an administrative user (default:
truenas-admin) -
After installation/reinstallation - upload a previous configuration to recover all settings
Will the TrueNAS update delete my data?
This is one of the most common questions. The answer is: no, as long as you are careful and only point to system drives. Data located on separate pools (datasets) are not moved during the installation or upgrade process.
Pro Tip: Restore the configuration
After installation, you can easily restore the full configuration:
Go to:
System → General Management → Upload FileUpload the previously saved configuration file
The system will automatically restart with all settings and users and applications preserved
Why upgrade to Fagtooth?
Update to TrueNAS SCALE 25.04 Fagtooth is not only new features and better performance. It's also enhanced security and compliance with the latest standards for virtualization, containerization (Docker) and storage.
Summary
Installing or upgrading TrueNAS SCALE 25.04 is a simple, safe and quick process, as long as you take basic precautions. With new features, Fagtooth becomes an even more powerful tool for administrators and IT enthusiasts.