zpool import
    pool: zroot
      id: 8592000589434241473
   state: ONLINE
  status: The pool was last accessed by another system.
  action: The pool can be imported using its name or numeric identifier and
         the '-f' flag.
    see: http://zfsonlinux.org/msg/ZFS-8000-EY
  config:

         zroot                      ONLINE
           ata-ST380215AS_9QZ68Z7S  ONLINE