~# zpool status
  pool: Jails
 state: ONLINE
  scan: scrub repaired 0 in 0h5m with 0 errors on Sun Aug 21 00:05:13 2016
config:

        NAME                                          STATE     READ WRITE CKSUM
        Jails                                         ONLINE       0     0     0
          gptid/fa45a6b4-47b4-11e6-b21a-047d7b163d66  ONLINE       0     0     0

errors: No known data errors

  pool: MainVolume
 state: DEGRADED
status: One or more devices is currently being resilvered.  The pool will
        continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
  scan: resilver in progress since Wed Aug 24 19:46:55 2016
        2.09T scanned out of 13.8T at 3.90G/s, 0h51m to go
        3.67G resilvered, 15.11% done
config:

        NAME                                            STATE     READ WRITE CKSUM
        MainVolume                                      DEGRADED     0     0     0
          raidz2-0                                      DEGRADED     0     0     0
            gptid/938ea257-46e8-11e6-9353-047d7b163d66  ONLINE       0     0     0
            gptid/959a3986-46e8-11e6-9353-047d7b163d66  ONLINE       0     0     0
            gptid/97c7037d-46e8-11e6-9353-047d7b163d66  ONLINE       0     0     0
            gptid/99f22f79-46e8-11e6-9353-047d7b163d66  ONLINE       0     0     0
            gptid/9c1f201e-46e8-11e6-9353-047d7b163d66  ONLINE       0     0     0
            8649320932216461796                         OFFLINE      0     0     0  was /dev/gptid/9e2c33eb-46e8-11e6-9353-047d7b163d66
          raidz2-1                                      ONLINE       0     0     0
            gptid/5337674a-52d0-11e6-9b9b-047d7b163d66  ONLINE       0     0     0
            gptid/566f57e6-52d0-11e6-9b9b-047d7b163d66  ONLINE       0     0     0
            gptid/5993e0a5-52d0-11e6-9b9b-047d7b163d66  ONLINE       0     0     0
            gptid/5caa5624-52d0-11e6-9b9b-047d7b163d66  ONLINE       0     0     0
            gptid/5fb1a2f4-52d0-11e6-9b9b-047d7b163d66  ONLINE       0     0     0
            gptid/b5f753ee-6a65-11e6-a8a6-047d7b163d66  ONLINE       0     0     0  (resilvering)

errors: No known data errors

  pool: freenas-boot
 state: ONLINE
  scan: scrub repaired 0 in 0h0m with 0 errors on Wed Aug  3 03:45:08 2016
config:

        NAME        STATE     READ WRITE CKSUM
        freenas-boot  ONLINE       0     0     0
          ada0p2    ONLINE       0     0     0