TrueNAS 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 TrueNAS CORE to SCALE (Enterprise HA)
3 minute read.
Last Modified 2024-03-19 08:47 EDTTrueNAS 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.
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.
Customers with CORE Enterprise High Availability (HA) systems that want to migrate to SCALE cannot directly migrate the system. Instead, the process is to clean install SCALE on the system and reimport the storage pools. Due to software differences between CORE and SCALE, an HA system with CORE installed cannot directly migrate to SCALE.
First, back up your data storage and export your pools to the server.
Review the list of preparation steps in Preparing for SCALE UI Configuration (Enterprise) and gather the information you need before you begin installing SCALE.
Next, do a clean install of SCALE using the
Remember:
After installing SCALE, configure controller 1 using the SCALE UI, configure controller 1 to the point just before you sync to peer, then power up controller 2 with SCALE already installed and at the Console setup menu screen but not configured, then on controller 1 sync to peer.
After configuring network in controller 1, import all your pools. Creating a new pool before importing pools could result in accidentally wiping disks currently used with an exported pool.
Related Migration Articles
- Preparing for SCALE UI Configuration
- Using Rootless Login
- Preparing for SCALE UI Configuration (Enterprise)
- Preparing for SCALE UI Configuration (Home Users)
- AFP Migration
- Preparing to Migrate TrueNAS CORE to SCALE
- Migrating TrueNAS CORE to SCALE
- Preparing to Migrate TrueNAS CORE to SCALE (Enterprise HA)
- Importing a Pool
- Importing Data