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truenas:pool:add_another_vdev

TrueNAS - Pool - Add another vdev

It is generally recommended to add the same number of hard drives that the pool currently has.

  • Meaning that if you have four hard drives in your pool using RAIDz1, you can add four additional drives, create a Vdev and you will have two Vdevs that are both utilizing RAIDz1.
  • TrueNAS will also automatically balance the data between both Vdevs.

Add a vdev

Select Storage.

  • Navigate to the pool.
  • Select the gear icon
  • Select Add Vdevs.


Add the hard drives to the vdev

  • Add the hard drives to the second Vdev.
  • Select Add VDEVS.
    • Depending on the RAID type being used, it will automatically be selected.

This will prompt for confirmation:

  • Select Confirm.
  • Select Add Vdev.


Check that the new vdev is okay

  • View the Pool Status.

NOTE: This should show both Vdevs!


truenas/pool/add_another_vdev.txt · Last modified: 2023/06/18 19:27 by peter

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