=>       40  500118112  ada0  GPT  (238G)
         40       1024     1  freebsd-boot  (512K)
       1064        984        - free -  (492K)
       2048   18874368     2  freebsd-swap  (9.0G)
   18876416  481241088     3  freebsd-zfs  (229G)
  500117504        648        - free -  (324K)

=>       40  500118112  ada1  GPT  (238G)
         40       1024     1  freebsd-boot  (512K)
       1064        984        - free -  (492K)
       2048   18874368     2  freebsd-swap  (9.0G)
   18876416  481241088     3  freebsd-zfs  (229G)
  500117504        648        - free -  (324K)