$ zpool list
NAME        SIZE  ALLOC   FREE  CKPOINT  EXPANDSZ   FRAG    CAP  DEDUP    HEALTH  ALTROOT
oreo-hdds   928G   506G   422G        -         -     9%    54%  1.00x    ONLINE  -
ssd         232G   111G   121G        -         -    40%    47%  1.00x    ONLINE  -