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New View the Bug / Feature Tracker

Unraid 6.12 RC 6 ZFS Single disk to 2 Mirror Disk error

By philliphs

· 2569 views
  • Closed
  • Minor

Hi, I read that Unraid 6.12 ZFS support converting single ZFS disk in a pool into mirrored pool up to 3 devices.

When I tried to convert my single ZFS to mirror pool with 2 devices, it produces "Wrong pool state. invalid expansion" error.

 

What I did was:

1. Stop the array

2. Increase the slots of the cache pool from 1 to 2

3. Assign the second device to the second slot.

4. Start the array

 

I wonder if that's how you are supposed to do the ZFS conversion from single disk to mirror vdev in unraid?

FYI, the pool only consist of 1 vdev of 1 single disk

    • Like 1

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