lvm2/test/shell/lvconvert-repair.sh

#!/bin/sh
# Copyright (C) 2008 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

recreate_vg_()
{
	vgremove -ff $vg
	vgcreate -c n $vg $(cat DEVICES)
}

aux lvmconf 'allocation/maximise_cling = 0'
aux lvmconf 'allocation/mirror_logs_require_separate_pvs = 1'

# fail multiple devices

# 4-way, disk log => 2-way, disk log
aux prepare_vg 8
lvcreate -m 3 --ig -L 1 -n 4way $vg "$dev1" "$dev2" "$dev3" "$dev4" "$dev5":0
aux disable_dev "$dev2" "$dev4"
echo n | lvconvert --repair $vg/4way 2>&1 | tee 4way.out
lvs -a -o +devices $vg | not grep unknown
vgreduce --removemissing $vg
aux enable_dev "$dev2" "$dev4"
check mirror $vg 4way "$dev5"

# 3-way, disk log => linear
recreate_vg_
lvcreate -m 2 --ig -L 1 -n 3way $vg
aux disable_dev "$dev1" "$dev2"
echo n | lvconvert --repair $vg/3way
check linear $vg 3way
lvs -a -o +devices $vg | not grep unknown
lvs -a -o +devices $vg | not grep mlog
dmsetup ls | grep $PREFIX | not grep mlog
vgreduce --removemissing $vg
aux enable_dev "$dev1" "$dev2"
check linear $vg 3way

# fail just log and get it removed

# 3-way, disk log => 3-way, core log
recreate_vg_
lvcreate -m 2 --ig -L 1 -n 3way $vg "$dev1" "$dev2" "$dev3" "$dev4":0
aux disable_dev "$dev4"
echo n | lvconvert --repair $vg/3way
check mirror $vg 3way core
lvs -a -o +devices $vg | not grep unknown
lvs -a -o +devices $vg | not grep mlog
dmsetup ls | grep $PREFIX | not grep mlog
vgreduce --removemissing $vg
aux enable_dev "$dev4"

# 3-way, mirrored log => 3-way, core log
recreate_vg_
lvcreate -m 2 --mirrorlog mirrored --ig -L 1 -n 3way $vg \
    "$dev1" "$dev2" "$dev3" "$dev4":0 "$dev5":0
aux disable_dev "$dev4" "$dev5"
echo n | lvconvert --repair $vg/3way
check mirror $vg 3way core
lvs -a -o +devices $vg | not grep unknown
lvs -a -o +devices $vg | not grep mlog
dmsetup ls | grep $PREFIX | not grep mlog
vgreduce --removemissing $vg
aux enable_dev "$dev4" "$dev5"

# 2-way, disk log => 2-way, core log
recreate_vg_
lvcreate -m 1 --ig -L 1 -n 2way $vg "$dev1" "$dev2" "$dev3":0
aux disable_dev "$dev3"
echo n | lvconvert --repair $vg/2way
check mirror $vg 2way core
lvs -a -o +devices $vg | not grep unknown
lvs -a -o +devices $vg | not grep mlog
vgreduce --removemissing $vg
aux enable_dev "$dev3"

# fail single devices

recreate_vg_
vgreduce $vg "$dev4"

lvcreate -m 1 --ig -L 1 -n mirror $vg
lvchange -a n $vg/mirror
vgextend $vg "$dev4"
aux disable_dev "$dev1"
lvchange --partial -a y $vg/mirror

not vgreduce -v --removemissing $vg
lvconvert -y --repair $vg/mirror
vgreduce --removemissing $vg

aux enable_dev "$dev1"
vgextend $vg "$dev1"
aux disable_dev "$dev2"
lvconvert -y --repair $vg/mirror
vgreduce --removemissing $vg

aux enable_dev "$dev2"
vgextend $vg "$dev2"
aux disable_dev "$dev3"
lvconvert -y --repair $vg/mirror
vgreduce --removemissing $vg
aux enable_dev "$dev3"
vgextend $vg "$dev3"
lvremove -ff $vg

if aux target_at_least dm-raid 1 1 0; then
	# RAID5 single replace
	lvcreate --type raid5 -i 2 -l 2 -n $lv1 $vg "$dev1" "$dev2" "$dev3"
	aux wait_for_sync $vg $lv1
	aux disable_dev "$dev3"
	lvconvert -y --repair $vg/$lv1
	vgreduce --removemissing $vg
	aux enable_dev "$dev3"
	vgextend $vg "$dev3"
	lvremove -ff $vg

	# RAID6 double replace
	lvcreate --type raid5 -i 3 -l 2 -n $lv1 $vg \
	    "$dev1" "$dev2" "$dev3" "$dev4" "$dev5"
	aux wait_for_sync $vg $lv1
	aux disable_dev "$dev4" "$dev5"
	lvconvert -y --repair $vg/$lv1
	vgreduce --removemissing $vg
	aux enable_dev "$dev4"
	aux enable_dev "$dev5"
	vgextend $vg "$dev4" "$dev5"
	lvremove -ff $vg
fi

vgremove -ff $vg