[root@freenas] ~# zpool status
  pool: zpool
 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 Tue Dec  2 18:24:37 2014
        717G scanned out of 10.8T at 109M/s, 27h0m to go
        82.8G resilvered, 6.51% done
config:

	NAME                                              STATE     READ WRITE CKSUM
	zpool                                             DEGRADED     0     0     0
	  raidz3-0                                        DEGRADED     0     0     0
	    gptid/70057ca3-0fb8-11e4-9267-0030487f11ba    ONLINE       0     0     0
	    gptid/7231ce76-0fb8-11e4-9267-0030487f11ba    ONLINE       0     0     0
	    gptid/74010031-0fb8-11e4-9267-0030487f11ba    ONLINE       0     0     0
	    replacing-3                                   OFFLINE      0     0     0
	      16870590521726310585                        OFFLINE      0     0     0  was /dev/gptid/74c45142-0fb8-11e4-9267-0030487f11ba
	      gptid/60d7ae11-7a7a-11e4-81f9-0030487f11ba  ONLINE       0     0     0  (resilvering)
	    gptid/7577d07e-0fb8-11e4-9267-0030487f11ba    ONLINE       0     0     0
	    gptid/7799b692-0fb8-11e4-9267-0030487f11ba    ONLINE       0     0     0
	    gptid/7979c1c6-0fb8-11e4-9267-0030487f11ba    ONLINE       0     0     0
	    gptid/7ba4673f-0fb8-11e4-9267-0030487f11ba    ONLINE       0     0     0

errors: No known data errors