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lvm2/test/shell/lvconvert-raid.sh
Petr Rockai f2a3f0fe3d Tidy the shell tests into their own subdir. We now have:
- test/lib -- infrastructure and helper code
- test/api -- liblvm2app API tests
- test/unit -- C-based unit tests
- test/shell -- shell-based functional tests
2011-11-21 00:15:42 +00:00

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#!/bin/bash
# Copyright (C) 2011 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
# is_in_sync <VG/LV>
function is_in_sync()
{
local dm_name
local a
local b
local idx
dm_name=`echo $1 | sed s:-:--: | sed s:/:-:`
if ! a=(`dmsetup status $dm_name`); then
echo "Unable to get sync status of $1"
exit 1
fi
# 6th argument is the sync ratio for RAID and mirror
echo ${a[@]}
if [ ${a[2]} = "raid" ]; then
# Last argument is the sync ratio for RAID
idx=$((${#a[@]} - 1))
elif [ ${a[2]} = "mirror" ]; then
# 4th Arg tells us how far to the sync ratio
idx=$((${a[3]} + 4))
else
echo "Unable to get sync ratio for target type '${a[2]}'"
exit 1
fi
b=(`echo ${a[$idx]} | sed s:/:' ':`)
if [ ${b[0]} != ${b[1]} ]; then
echo "$dm_name (${a[3]}) is not in-sync"
return 1
fi
if [[ ${a[$(($idx - 1))]} =~ a ]]; then
echo "$dm_name in-sync, but 'a' characters in health status"
exit 1
fi
if [ ${a[2]} = "raid" ]; then
echo "$dm_name (${a[3]}) is in-sync"
else
echo "$dm_name (${a[2]}) is in-sync"
fi
return 0
}
# wait_for_sync <VG/LV>
function wait_for_sync()
{
local i=0
while ! is_in_sync $1; do
sleep 2
i=$(($i + 1))
if [ $i -gt 500 ]; then
echo "Sync is taking too long - assume stuck"
exit 1
fi
done
}
function is_raid_available()
{
local a
modprobe dm-raid
a=(`dmsetup targets | grep raid`)
if [ -z $a ]; then
echo "RAID target not available"
return 1
fi
if [ ${a[1]} != "v1.1.0" ]; then
echo "Bad RAID version"
return 1
fi
return 0
}
########################################################
# MAIN
########################################################
is_raid_available || exit 200
aux prepare_vg 5 80
###########################################
# RAID1 convert tests
###########################################
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 "Converting from $from to $to"
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
wait_for_sync $vg/$lv1
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
#
# 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
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
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
wait_for_sync $vg/$lv1
# FIXME: Can't split off a RAID1 from a RAID1 yet
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
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
wait_for_sync $vg/$lv1
lvconvert --type raid1 $vg/$lv1
lvremove -ff $vg
done
exit 0