Cannot reassign drives to existing pool/Existing pool cannot be imported

[etorix]

The best explanation of the issue is here:

Can't import datapool

Hey @Gilfoyle - I remember trying to help out in Discord on this one. Guessing the pool is still unmountable? Proxmox isn’t supposed to grab pools without the cachefile set to its own /etc/zfs/zpool.cache path (TrueNAS uses /data/zfs/zpool.cache) but Proxmox also appears to have a system service that will import pools on disk scan. So if there’s something that triggers a disk scan on a host and the member disks are visible this is likely to cause the simultaneous access/force-import bug. Isolat…