lvm2/test/shell/lvresize-raid.sh

#!/bin/sh
# Copyright (C) 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

aux target_at_least dm-raid 1 1 0 || skip

aux prepare_vg 5 80

# Extend a 2-way RAID1
for deactivate in true false; do
	lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg

	if $deactivate; then
		lvchange -an $vg/$lv1
	fi

	lvresize -l +2 $vg/$lv1

	#check raid_images_contiguous $vg $lv1

	lvremove -ff $vg
done

# Reduce 2-way RAID1
for deactivate in true false; do
	lvcreate --type raid1 -m 1 -l 4 -n $lv1 $vg

	if $deactivate; then
		lvchange -an $vg/$lv1
	fi

	should lvresize -y -l -2 $vg/$lv1

	#check raid_images_contiguous $vg $lv1

	lvremove -ff $vg
done

# Extend 3-striped RAID 4/5/6
for i in 4 5 6 ; do
	for deactivate in true false; do
		lvcreate --type raid$i -i 3 -l 3 -n $lv1 $vg

		if $deactivate; then
			lvchange -an $vg/$lv1
		fi

		lvresize -l +3 $vg/$lv1

		#check raid_images_contiguous $vg $lv1

		lvremove -ff $vg
	done
done

# Reduce 3-striped RAID 4/5/6
for i in 4 5 6 ; do
	for deactivate in true false; do
		lvcreate --type raid$i -i 3 -l 6 -n $lv1 $vg

		if $deactivate; then
			lvchange -an $vg/$lv1
		fi

		should lvresize -y -l -3 $vg/$lv1

		#check raid_images_contiguous $vg $lv1

		lvremove -ff $vg
	done
done