root@ip-172-31-1-67:/home/ubuntu# zpool list
NAME       SIZE  ALLOC   FREE  EXPANDSZ   FRAG    CAP  DEDUP  HEALTH  ALTROOT
web-pool  2.98G  1.84G  1.15G         -    72%    61%  3.36x  ONLINE  -

root@ip-172-31-1-67:/home/ubuntu# lsblk
NAME    MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
xvda    202:0    0   8G  0 disk
└─xvda1 202:1    0   8G  0 part /
xvdf    202:80   0  10G  0 disk
├─xvdf1 202:81   0   3G  0 part
└─xvdf9 202:89   0   8M  0 part

root@ip-172-31-1-67:/home/ubuntu# zpool status
  pool: web-pool
 state: ONLINE
  scan: scrub repaired 0 in 0h0m with 0 errors on Sun May 14 00:24:31 2017
config:

        NAME        STATE     READ WRITE CKSUM
        web-pool    ONLINE       0     0     0
          xvdf      ONLINE       0     0     0

errors: No known data errors