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
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