rename zone and its zpool

# zoneadm -z thezone halt

# zoneadm -z thezone detach

# zonecfg -z thezone set zonename=myzone

# zpool export thezone

# zpool import thezone myzone

# zfs set mountpoint=/zones/myzone myzone/root

# zonecfg -z myzone set zonepath=/zones/myzone

# zoneadm -z myzone attach

# zoneadm -z myzone boot