zfs list -t snapshot
Example Output:
nas1# zfs list -t snapshot
NAME USED AVAIL REFER MOUNTPOINT
nfs/datastore@rep-init-20110113013713 18K – 21K –
nfs/datastore@rep20110113013825 311M – 311M –
nfs/datastore@rep20110113015314 0 – 68K –
