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Importing Data

  2 minute read.

Last Modified 2022-12-09 09:08 -0500

ZFS pool importing works for pools that are exported or disconnected from the current system, those created on another system, and for pools you reconnect after reinstalling or upgrading the TrueNAS system.

The import procedure only applies to disks with a ZFS storage pool. To import disks with different file systems, see the SCALE Managing Disks article.
When physically installing ZFS pool disks from another system, use the zpool export poolname command in the command line or a web interface equivalent to export the pool on that system. Shut that system down and move the drives to the TrueNAS system. Shutting down the original system prevents an in use by another machine error during the TrueNAS import.

To import a pool, go to the Storage Dashboard and click Import Pool at the top of the screen.

TrueNAS detects any pools that are present but unconnected and adds them to the Pools dropdown list.

ImportPoolScreen

Select a pool from the Pool dropdown list and click Import.

Since GELI encryption is specific to FreeBSD, TrueNAS SCALE cannot import GELI-encrypted pools. See the Migrating GELI-encrypted Pools to SCALE section in the Installing SCALE article.

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