Centos 7 crash but ZFS is safe. How can recover LXD 3 on a new machine?

Hi there,
after a power outage my Centos cannot reboot. ZFS pool is safe and I can read the old /var/directory. I installed LXD 4.2 on a new machine, how can I reconnect it to ZFS?

Thanks

https://linuxcontainers.org/lxd/docs/master/backup#disaster-recovery

Thank you!!