> So... You accidentally added non-redundant disks to a pool. They were
> part of the raidz2, so the redundancy in the raidz2 did not help you.
> removed the non-redundant disks, and now the pool is faulted.
> The only thing you can do is:
> Add the disks back to the pool (re-insert them to the system). Then
> should be able to import the pool.
> Now, you don't want these devices in the pool. You must either destroy
> recreate your pool, or add redundancy to your non-redundant devices.
Yes. I have connected them back to server. But it does not help.
I am really sad now...
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