Add regression tests for "round-robin" and "verify" modes.

--- /dev/null	Wed Sep  8 19:33:00 2004
+++ tools/regression/geom_raid3/test-10.sh	Sat Aug 21 20:14:55 2004
@@ -0,0 +1,36 @@
+#!/bin/sh
+# $FreeBSD: src/tools/regression/geom_raid3/test-10.sh,v 1.1 2004/08/21 18:14:55 pjd Exp $
+
+name="test"
+base=`basename $0`
+us0=45
+us1=`expr $us0 + 1`
+us2=`expr $us0 + 2`
+ddbs=2048
+nblocks1=1024
+nblocks2=`expr $nblocks1 / \( $ddbs / 512 \)`
+src=`mktemp /tmp/$base.XXXXXX` || exit 1
+dst=`mktemp /tmp/$base.XXXXXX` || exit 1
+
+dd if=/dev/random of=${src} bs=$ddbs count=$nblocks2 >/dev/null 2>&1
+
+mdconfig -a -t malloc -s `expr $nblocks1 + 1` -u $us0 || exit 1
+mdconfig -a -t malloc -s `expr $nblocks1 + 1` -u $us1 || exit 1
+mdconfig -a -t malloc -s `expr $nblocks1 + 1` -u $us2 || exit 1
+
+graid3 label -r $name /dev/md${us0} /dev/md${us1} /dev/md${us2} || exit 1
+
+dd if=${src} of=/dev/raid3/${name} bs=$ddbs count=$nblocks2 >/dev/null 2>&1
+
+dd if=/dev/raid3/${name} of=${dst} bs=$ddbs count=$nblocks2 >/dev/null 2>&1
+if [ `md5 -q ${src}` != `md5 -q ${dst}` ]; then
+	echo "FAIL"
+else
+	echo "PASS"
+fi
+
+graid3 stop $name
+mdconfig -d -u $us0
+mdconfig -d -u $us1
+mdconfig -d -u $us2
+rm -f ${src} ${dst}
--- /dev/null	Wed Sep  8 19:33:00 2004
+++ tools/regression/geom_raid3/test-11.sh	Sun Aug 22 18:26:09 2004
@@ -0,0 +1,36 @@
+#!/bin/sh
+# $FreeBSD: src/tools/regression/geom_raid3/test-11.sh,v 1.1 2004/08/22 16:26:09 pjd Exp $
+
+name="test"
+base=`basename $0`
+us0=45
+us1=`expr $us0 + 1`
+us2=`expr $us0 + 2`
+ddbs=2048
+nblocks1=1024
+nblocks2=`expr $nblocks1 / \( $ddbs / 512 \)`
+src=`mktemp /tmp/$base.XXXXXX` || exit 1
+dst=`mktemp /tmp/$base.XXXXXX` || exit 1
+
+dd if=/dev/random of=${src} bs=$ddbs count=$nblocks2 >/dev/null 2>&1
+
+mdconfig -a -t malloc -s `expr $nblocks1 + 1` -u $us0 || exit 1
+mdconfig -a -t malloc -s `expr $nblocks1 + 1` -u $us1 || exit 1
+mdconfig -a -t malloc -s `expr $nblocks1 + 1` -u $us2 || exit 1
+
+graid3 label -w $name /dev/md${us0} /dev/md${us1} /dev/md${us2} || exit 1
+
+dd if=${src} of=/dev/raid3/${name} bs=$ddbs count=$nblocks2 >/dev/null 2>&1
+
+dd if=/dev/raid3/${name} of=${dst} bs=$ddbs count=$nblocks2 >/dev/null 2>&1
+if [ `md5 -q ${src}` != `md5 -q ${dst}` ]; then
+	echo "FAIL"
+else
+	echo "PASS"
+fi
+
+graid3 stop $name
+mdconfig -d -u $us0
+mdconfig -d -u $us1
+mdconfig -d -u $us2
+rm -f ${src} ${dst}
--- /dev/null	Wed Sep  8 19:33:00 2004
+++ tools/regression/geom_raid3/test-12.sh	Sun Aug 22 18:26:09 2004
@@ -0,0 +1,33 @@
+#!/bin/sh
+# $FreeBSD: src/tools/regression/geom_raid3/test-12.sh,v 1.1 2004/08/22 16:26:09 pjd Exp $
+
+name="test"
+base=`basename $0`
+us0=45
+us1=`expr $us0 + 1`
+us2=`expr $us0 + 2`
+nblocks1=9
+nblocks2=`expr \( $nblocks1 - 1 \) / 2`
+
+mdconfig -a -t malloc -s $nblocks1 -u $us0 || exit 1
+mdconfig -a -t malloc -s $nblocks1 -u $us1 || exit 1
+mdconfig -a -t malloc -s $nblocks1 -u $us2 || exit 1
+
+dd if=/dev/random of=/dev/md${us0} count=$nblocks1 >/dev/null 2>&1
+dd if=/dev/random of=/dev/md${us1} count=$nblocks1 >/dev/null 2>&1
+dd if=/dev/random of=/dev/md${us2} count=$nblocks1 >/dev/null 2>&1
+
+graid3 label -w $name /dev/md${us0} /dev/md${us1} /dev/md${us2} || exit 1
+
+dd if=/dev/raid3/${name} of=/dev/null bs=1k count=$nblocks2 >/dev/null 2>&1
+ec=$?
+if [ $ec -eq 0 ]; then
+	echo "FAIL"
+else
+	echo "PASS"
+fi
+
+graid3 stop $name
+mdconfig -d -u $us0
+mdconfig -d -u $us1
+mdconfig -d -u $us2