Get ZFS zpool usage numeric .1.3.6.1.4.1.2021.88.3 name walk value input .1.3.6.1.4.1.2021.88.4.1.2.10.122.112.111.111.108.95.110.97.109.101 usedbydata walk value output .1.3.6.1.4.1.2021.88.4.1.2.15.122.112.111.111.108.95.100.97.116.97.95.117.115.101.100 usedbysnapshots walk value output .1.3.6.1.4.1.2021.88.4.1.2.10.122.112.111.111.108.95.115.110.97.112 used walk value output .1.3.6.1.4.1.2021.88.4.1.2.10.122.112.111.111.108.95.117.115.101.100 available walk value output .1.3.6.1.4.1.2021.88.4.1.2.15.122.112.111.111.108.95.97.118.97.105.108.97.98.108.101 Capacity walk value output .1.3.6.1.4.1.2021.88.4.1.2.14.122.112.111.111.108.95.99.97.112.97.99.105.116.121