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  1. TrueNAS SCALE 22.12 (Archived)
  2. /
  3. Getting Started with SCALE
  4. /
  5. Migrating Instructions
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TrueNAS SCALETrueNAS SCALE Documentation Archive
This content follows the TrueNAS SCALE 22.12 (Bluefin) releases. Archival documentation is provided for reference only and not actively maintained.
Use the Product and Version selectors above to view content specific to different TrueNAS software or major versions.

Migrating Instructions

  2 minute read.

Last Modified 2024-03-19 08:47 EDT

This section provides information and instructions for CORE users wanting to migrate to SCALE.

TrueNAS Enterprise

High Availability (HA) systems cannot migrate directly from CORE to SCALE.

Enterprise customers with HA systems should contact iXsystems Support before attempting any migration.

Customers who purchase iXsystems hardware or that want additional support must have a support contract to use iXsystems Support Services. The TrueNAS Community forums provides free support for users without an iXsystems Support contract.

iXsystems Customer Support
Support Portalhttps://support.ixsystems.com
Emailsupport@ixsystems.com
Telephone and Other Resourceshttps://www.ixsystems.com/support/

Migrating TrueNAS from CORE to SCALE is a one-way operation. Attempting to activate or roll back to a CORE boot environment can break the system.

Upgrade your CORE system to the latest publicly-available 13.0-Ux release before attempting to migrate from CORE to SCALE.

Linux treats device names differently than FreeBSD so please read Component Naming for more information.

The ZFS flag feature merged into the TrueNAS fork of OpenZFS for developers to test and integrage with other parts of the system on June 29,2021 is also removed. Please read ZFS Feature Flags Removed for details on this change.

After migration, it is strongly recommended to review each area of the UI that was previously configured in CORE.

Migration Articles