# zpool status mont1
pool: mont1
state: ONLINE
status: One or more devices has experienced an unrecoverable error. An
attempt was made to correct the error. Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
using 'zpool clear' or replace the device with 'zpool replace'.
see: http://www.sun.com/msg/ZFS-8000-9P
scan: resilvered 2.53G in 5h5m with 0 errors on Wed Feb 29 14:25:52 2012
config:
NAME STATE READ WRITE CKSUM
mont1 ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
ad8 ONLINE 0 0 0
ad10 ONLINE 0 0 0
ad4 ONLINE 0 0 66