import pool failed

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clean install PVE, 1 SATA SSD for PVE and system drive for TrueNAS SCALE 22.02.0 Current Stable Version
8 disks as data vdev
1 old SATA SSD created LVM-thin pool for 2 LVM disks as SLOG and L2ARC.
I knew it wasn't ideal, it's just temporary measure until the new ones arrive.

now this old SSD is toast!
so pool failed and I panicked and pressed on export/disconnect pool

the pool import seems to be working, disks also shows that they belong to pool0 instead of N/A, but the pool0 won't show in WebGUI.

and I don't know how to repair/ debug the unhealthy drive, or replace it, if it comes to that.

Could anyone help me with this?

 

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I use "zpool status -v" to see the gpid of cache disks
and used "zpool remove pool0 /dev/disk/by-partuuid/XXXXXXXXXX" to remove the unavailable cache disks
then I could have directly imported the pool in WebGUI. But I imported the pool already in shell, so I had to use "zpool export pool0" to export then reimport from WebGUI. now I could access my files through samba again. degraded disk also shows up, so I could replace it for now and check later.

hope this helps anyone in the future. Just like this post helped me: https://www.truenas.com/community/threads/removing-vdev.94188/