Index: nanobsd/Files/usr/local/sbin/scrub
===================================================================
--- nanobsd/Files/usr/local/sbin/scrub  (revision 10055)
+++ nanobsd/Files/usr/local/sbin/scrub  (working copy)
@@ -66,11 +66,15 @@
                esac
        done

-       if [ -z "${pool}" ]; then
+       shift $(( $OPTIND - 1 ))
+
+       if [ $# -ne 1 ]; then
                usage "${opts}"
                return 2
        fi

+       pool=$1
+
        # Piece of code based on 800.scrub-zfs from periodic
        _last_scrub=$(zpool history ${pool} | \
                egrep "^[0-9\.\:\-]{19} zpool scrub ${pool}\$" | tail -1 |\