Don't worry :)
Yes I've deleted the pool, sgdisk -Z in pool disks, deleted /etc/zfs/zpool.cache, rebooted, created again and same error. In other node installed today got same error but this node only have 2 SATA 7k disks, one Ext4 for PVE 6.3 and one RAID-0 ZFS Pool.
We have a cluster with...