root@pve:~# zpool status
  pool: rpool
 state: ONLINE
  scan: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        rpool       ONLINE       0     0     0
          mirror-0  ONLINE       0     0     0
            sda2    ONLINE       0     0     0
            sdb2    ONLINE       0     0     0

errors: No known data errors

root@pve:~# zfs list
NAME               USED  AVAIL  REFER  MOUNTPOINT
rpool             8.23G   891G    96K  /rpool
rpool/ROOT         806M   891G    96K  /rpool/ROOT
rpool/ROOT/pve-1   806M   891G   806M  /
rpool/data          96K   891G    96K  /rpool/data
rpool/swap        7.44G   898G    56K  -

root@pve:~# df -h |grep rpool
rpool/ROOT/pve-1  892G  807M  891G   1% /
rpool             891G  128K  891G   1% /rpool
rpool/ROOT        891G  128K  891G   1% /rpool/ROOT
rpool/data        891G  128K  891G   1% /rpool/data