wipefs -a /dev/sdb /dev/sdc
zpool create local-zfs mirror /dev/sdb /dev/sdc
zpool export local-zfs
zpool import -d /dev/disk/by-id local-zfs
pvesm add zfspool local-zfs -pool local-zfs
zpool destroy <poolname>
then fdisk and delete all partition for each drive
lsblk -o +MODEL,SERIAL,WWN
ls -l /dev/disk/by-id/