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29ab9ad5b3
There is duplicate code in t-lvconvert-raid.sh and t-lvcreate-raid.sh. This should be moved into a common file which is then sourced by these two files. I'll wait to move the duplicate code until I can talk to mornfall.
159 lines
3.4 KiB
Bash
159 lines
3.4 KiB
Bash
#!/bin/bash
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# Copyright (C) 2011 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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. lib/test
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# is_raid_in_sync <VG/LV>
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function is_raid_in_sync()
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{
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local dm_name
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local a
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local b
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local idx
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dm_name=`echo $1 | sed s:-:--: | sed s:/:-:`
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if ! a=(`dmsetup status $dm_name`); then
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echo "Unable to get sync status of $1"
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exit 1
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fi
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idx=$((${#a[@]} - 1))
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b=(`echo ${a[$idx]} | sed s:/:' ':`)
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if [ ${b[0]} != ${b[1]} ]; then
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echo "$dm_name (${a[3]}) is not in-sync"
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return 1
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fi
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echo "$dm_name (${a[3]}) is in-sync"
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return 0
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}
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# wait_for_raid_sync <VG/LV>
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function wait_for_raid_sync()
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{
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local i=0
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while ! is_raid_in_sync $1; do
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sleep 2
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i=$(($i + 1))
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if [ $i -gt 500 ]; then
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echo "Sync is taking too long - assume stuck"
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exit 1
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fi
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done
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}
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function is_raid_available()
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{
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local a
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modprobe dm-raid
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a=(`dmsetup targets | grep raid`)
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if [ -z $a ]; then
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echo "RAID target not available"
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return 1
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fi
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if [ ${a[1]} != "v1.1.0" ]; then
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echo "Bad RAID version"
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return 1
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fi
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return 0
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}
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########################################################
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# MAIN
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########################################################
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is_raid_available || exit 200
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aux prepare_vg 5 80
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###########################################
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# RAID1 convert tests
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###########################################
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for i in 2 3 4; do
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for j in 1 2 3 4; do
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if [ $i -eq 1 ]; then
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from="linear"
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else
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from="$i-way"
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fi
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if [ $j -eq 1 ]; then
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to="linear"
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else
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to="$j-way"
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fi
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echo "Converting from $from to $to"
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lvcreate --type raid1 -m $(($i - 1)) -l 2 -n $lv1 $vg
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wait_for_raid_sync $vg/$lv1
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lvconvert -m $((j - 1)) $vg/$lv1
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# FIXME: ensure no residual devices
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if [ $j -eq 1 ]; then
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check linear $vg $lv1
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fi
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lvremove -ff $vg
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done
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done
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#
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# FIXME: Add tests that specify particular devices to be removed
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#
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###########################################
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# RAID1 split tests
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###########################################
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# 3-way to 2-way/linear
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lvcreate --type raid1 -m 2 -l 2 -n $lv1 $vg
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wait_for_raid_sync $vg/$lv1
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lvconvert --splitmirrors 1 -n $lv2 $vg/$lv1
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check lv_exists $vg $lv1
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check linear $vg $lv2
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# FIXME: ensure no residual devices
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lvremove -ff $vg
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# 2-way to linear/linear
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lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg
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wait_for_raid_sync $vg/$lv1
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lvconvert --splitmirrors 1 -n $lv2 $vg/$lv1
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check linear $vg $lv1
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check linear $vg $lv2
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# FIXME: ensure no residual devices
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lvremove -ff $vg
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# 3-way to linear/2-way
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lvcreate --type raid1 -m 2 -l 2 -n $lv1 $vg
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wait_for_raid_sync $vg/$lv1
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# FIXME: Can't split off a mirror from a mirror yet
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#lvconvert --splitmirrors 2 -n $lv2 $vg/$lv1
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#check linear $vg $lv1
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#check lv_exists $vg $lv2
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# FIXME: ensure no residual devices
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lvremove -ff $vg
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###########################################
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# RAID1 split + trackchanges / merge
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###########################################
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# 3-way to 2-way/linear
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lvcreate --type raid1 -m 2 -l 2 -n $lv1 $vg
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wait_for_raid_sync $vg/$lv1
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lvconvert --splitmirrors 1 --trackchanges $vg/$lv1
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check lv_exists $vg $lv1
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check linear $vg ${lv1}_rimage_2
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lvconvert --merge $vg/${lv1}_rimage_2
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# FIXME: ensure no residual devices
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lvremove -ff $vg
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