pool: tank1
 state: DEGRADED
status: One or more devices has been removed by the administrator.
	Sufficient replicas exist for the pool to continue functioning in a
	degraded state.
action: Online the device using 'zpool online' or replace the device with
	'zpool replace'.
  scan: resilvered 855M in 19h28m with 0 errors on Fri Nov  2 18:58:41 2012
config:

	NAME                     STATE     READ WRITE CKSUM
	tank1                    DEGRADED     0     0     0
	  raidz1-0               DEGRADED     0     0     0
	    ada0p2               ONLINE       0     0     0
	    8834471525873181994  REMOVED      0     0     0  was /dev/ada1p2
	    ada1p2               ONLINE       0     0     0

errors: No known data errors