> zpool iostat -v
               capacity     operations     bandwidth 
pool         alloc   free   read  write   read  write
-----------  -----  -----  -----  -----  -----  -----
pg_datadir   9.12G  2.90T      0  1.32K    276  29.3M
  mirror-0   9.12G  2.90T      0  1.32K    276  29.3M
    nvme2n1      -      -      0    673    138  14.6M
    nvme3n1      -      -      0    676    138  14.6M
-----------  -----  -----  -----  -----  -----  -----