olivier@nas:/home/olivier % zpool status storage
  pool: storage
 state: ONLINE
  scan: resilvered 1,35T in 7h14m with 0 errors on Wed Sep 12 05:23:27 2012
config:

        NAME        STATE     READ WRITE CKSUM
        storage     ONLINE       0     0     0
          raidz1-0  ONLINE       0     0     0
            ada0p1  ONLINE       0     0     0
            ada1p1  ONLINE       0     0     0
            ada2p1  ONLINE       0     0     0
            ada3p1  ONLINE       0     0     0
            ada4p1  ONLINE       0     0     0

errors: No known data errors

olivier@nas:/home/olivier % zpool list storage
NAME      SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
storage  9,06T  8,11T   979G    89%  1.00x  ONLINE  -