zpool list -v

returns:

NAME                                       SIZE  ALLOC   FREE  CKPOINT  EXPANDSZ   FRAG    CAP  DEDUP    HEALTH  ALTROOT
Pool1                                     43.6T  43.0T   655G        -         -    17%    98%  1.00x    ONLINE  /mnt
  raidz1                                  43.6T  43.0T   655G        -         -    17%  98.5%      -    ONLINE
    1bdd7438-fd7d-49ff-b0df-0747548b5a0f      -      -      -        -         -      -      -      -    ONLINE
    c15c2ee5-7070-4fe6-b33a-4c7a190cba02      -      -      -        -         -      -      -      -    ONLINE
    ad04610f-333b-4924-86fd-020a993d73d4      -      -      -        -         -      -      -      -    ONLINE
boot-pool                                   31G  11.7G  19.3G        -         -     4%    37%  1.00x    ONLINE  -
  sda3                                      31G  11.7G  19.3G        -         -     4%  37.7%      -    ONLINE