1 files changed, 223 insertions, 0 deletions
diff --git a/test/shell/lvconvert-raid.sh b/test/shell/lvconvert-raid.sh
new file mode 100644
index 0000000..4fa766d
--- /dev/null
+++ b/test/shell/lvconvert-raid.sh
@@ -0,0 +1,223 @@
+#!/bin/sh
+# Copyright (C) 2011-2012 Red Hat, Inc. All rights reserved.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+. lib/test
+
+get_image_pvs() {
+	local d
+	local images
+
+	images=`dmsetup ls | grep ${1}-${2}_.image_.* | cut -f1 | sed -e s:-:/:`
+	lvs --noheadings -a -o devices $images | sed s/\(.\)//
+}
+
+########################################################
+# MAIN
+########################################################
+aux target_at_least dm-raid 1 1 0 || skip
+aux kernel_at_least 3 2 0 || skip
+
+# 9 PVs needed for RAID10 testing (3-stripes/2-mirror - replacing 3 devs)
+aux prepare_pvs 9 80
+vgcreate -c n -s 256k $vg $(cat DEVICES)
+
+###########################################
+# RAID1 convert tests
+###########################################
+for under_snap in false true; do
+for i in 1 2 3 4; do
+	for j in 1 2 3 4; do
+		if [ $i -eq 1 ]; then
+			from="linear"
+		else
+			from="$i-way"
+		fi
+		if [ $j -eq 1 ]; then
+			to="linear"
+		else
+			to="$j-way"
+		fi
+
+		echo -n "Converting from $from to $to"
+		if $under_snap; then
+			echo -n " (while under a snapshot)"
+		fi
+		echo
+
+		if [ $i -eq 1 ]; then
+			# Shouldn't be able to create with just 1 image
+			not lvcreate --type raid1 -m 0 -l 2 -n $lv1 $vg
+
+			lvcreate -l 2 -n $lv1 $vg
+		else
+			lvcreate --type raid1 -m $(($i - 1)) -l 2 -n $lv1 $vg
+			aux wait_for_sync $vg $lv1
+		fi
+
+		if $under_snap; then
+			lvcreate -s $vg/$lv1 -n snap -l 2
+		fi
+
+		lvconvert -m $((j - 1))  $vg/$lv1
+
+		# FIXME: ensure no residual devices
+
+		if [ $j -eq 1 ]; then
+			check linear $vg $lv1
+		fi
+		lvremove -ff $vg
+	done
+done
+done
+
+##############################################
+# RAID1 - shouldn't be able to add image
+#         if created '--nosync', but should
+#         be able to after 'lvchange --resync'
+##############################################
+lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg --nosync
+not lvconvert -m +1 $vg/$lv1
+lvchange --resync -y $vg/$lv1
+aux wait_for_sync $vg $lv1
+lvconvert -m +1 $vg/$lv1
+lvremove -ff $vg
+
+# 3-way to 2-way convert while specifying devices
+lvcreate --type raid1 -m 2 -l 2 -n $lv1 $vg $dev1 $dev2 $dev3
+aux wait_for_sync $vg $lv1
+lvconvert -m1 $vg/$lv1 $dev2
+lvremove -ff $vg
+
+#
+# FIXME: Add tests that specify particular devices to be removed
+#
+
+###########################################
+# RAID1 split tests
+###########################################
+# 3-way to 2-way/linear
+lvcreate --type raid1 -m 2 -l 2 -n $lv1 $vg
+aux wait_for_sync $vg $lv1
+lvconvert --splitmirrors 1 -n $lv2 $vg/$lv1
+check lv_exists $vg $lv1
+check linear $vg $lv2
+# FIXME: ensure no residual devices
+lvremove -ff $vg
+
+# 2-way to linear/linear
+lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg
+aux wait_for_sync $vg $lv1
+lvconvert --splitmirrors 1 -n $lv2 $vg/$lv1
+check linear $vg $lv1
+check linear $vg $lv2
+# FIXME: ensure no residual devices
+lvremove -ff $vg
+
+# 3-way to linear/2-way
+lvcreate --type raid1 -m 2 -l 2 -n $lv1 $vg
+aux wait_for_sync $vg $lv1
+# FIXME: Can't split off a RAID1 from a RAID1 yet
+# 'should' results in "warnings"
+should lvconvert --splitmirrors 2 -n $lv2 $vg/$lv1
+#check linear $vg $lv1
+#check lv_exists $vg $lv2
+# FIXME: ensure no residual devices
+lvremove -ff $vg
+
+###########################################
+# RAID1 split + trackchanges / merge
+###########################################
+# 3-way to 2-way/linear
+lvcreate --type raid1 -m 2 -l 2 -n $lv1 $vg
+aux wait_for_sync $vg $lv1
+lvconvert --splitmirrors 1 --trackchanges $vg/$lv1
+check lv_exists $vg $lv1
+check linear $vg ${lv1}_rimage_2
+lvconvert --merge $vg/${lv1}_rimage_2
+# FIXME: ensure no residual devices
+lvremove -ff $vg
+
+###########################################
+# Mirror to RAID1 conversion
+###########################################
+for i in 1 2 3 ; do
+	lvcreate --type mirror -m $i -l 2 -n $lv1 $vg
+	aux wait_for_sync $vg $lv1
+	lvconvert --type raid1 $vg/$lv1
+	lvremove -ff $vg
+done
+
+###########################################
+# Device Replacement Testing
+###########################################
+# RAID1: Replace up to n-1 devices - trying different combinations
+# Test for 2-way to 4-way RAID1 LVs
+for i in {1..3}; do
+	lvcreate --type raid1 -m $i -l 2 -n $lv1 $vg
+
+	for j in $(seq $(($i + 1))); do # The number of devs to replace at once
+	for o in $(seq 0 $i); do        # The offset into the device list
+		replace=""
+
+		devices=( $(get_image_pvs $vg $lv1) )
+
+		for k in $(seq $j); do
+			index=$((($k + $o) % ($i + 1)))
+			replace="$replace --replace ${devices[$index]}"
+		done
+		aux wait_for_sync $vg $lv1
+
+		if [ $j -ge $((i + 1)) ]; then
+			# Can't replace all at once.
+			not lvconvert $replace $vg/$lv1
+		else
+			lvconvert $replace $vg/$lv1
+		fi
+	done
+	done
+
+	lvremove -ff $vg
+done
+
+# RAID 4/5/6 (can replace up to 'parity' devices)
+for i in 4 5 6; do
+	lvcreate --type raid$i -i 3 -l 3 -n $lv1 $vg
+
+	if [ $i -eq 6 ]; then
+		dev_cnt=5
+		limit=2
+	else
+		dev_cnt=4
+		limit=1
+	fi
+
+	for j in {1..3}; do
+	for o in $(seq 0 $i); do
+		replace=""
+
+		devices=( $(get_image_pvs $vg $lv1) )
+
+		for k in $(seq $j); do
+			index=$((($k + $o) % $dev_cnt))
+			replace="$replace --replace ${devices[$index]}"
+		done
+		aux wait_for_sync $vg $lv1
+
+		if [ $j -gt $limit ]; then
+			not lvconvert $replace $vg/$lv1
+		else
+			lvconvert $replace $vg/$lv1
+		fi
+	done
+	done
+
+	lvremove -ff $vg
+done