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#!/bin/sh
# Copyright (C) 2011-2012 Red Hat, Inc. All rights reserved.
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#
# 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
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test -e LOCAL_CLVMD && skip
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get_image_pvs( ) {
local d
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local images
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images = ` dmsetup ls | grep ${ 1 } -${ 2 } _.image_.* | cut -f1 | sed -e s:-:/:`
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lvs --noheadings -a -o devices $images | sed s/\( .\) //
}
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########################################################
# MAIN
########################################################
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aux target_at_least dm-raid 1 2 0 || skip
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# 9 PVs needed for RAID10 testing (3-stripes/2-mirror - replacing 3 devs)
aux prepare_pvs 9 80
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vgcreate -s 256k $vg $( cat DEVICES)
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###########################################
# RAID1 convert tests
###########################################
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for under_snap in false true; do
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for i in 1 2 3; do
for j in 1 2 3; do
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if [ $i -eq 1 ] ; then
from = "linear"
else
from = " $i -way "
fi
if [ $j -eq 1 ] ; then
to = "linear"
else
to = " $j -way "
fi
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echo -n " Converting from $from to $to "
if $under_snap ; then
echo -n " (while under a snapshot)"
fi
echo
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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
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aux wait_for_sync $vg $lv1
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fi
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if $under_snap ; then
lvcreate -s $vg /$lv1 -n snap -l 2
fi
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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
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done
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##############################################
# 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
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# 3-way to 2-way convert while specifying devices
lvcreate --type raid1 -m 2 -l 2 -n $lv1 $vg $dev1 $dev2 $dev3
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aux wait_for_sync $vg $lv1
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lvconvert -m1 $vg /$lv1 $dev2
lvremove -ff $vg
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#
# 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
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aux wait_for_sync $vg $lv1
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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
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aux wait_for_sync $vg $lv1
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lvconvert --splitmirrors 1 -n $lv2 $vg /$lv1
check linear $vg $lv1
check linear $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
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aux wait_for_sync $vg $lv1
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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
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###########################################
# Linear to RAID1 conversion ("raid1" default segtype)
###########################################
lvcreate -l 2 -n $lv1 $vg
lvconvert -m 1 $vg /$lv1 \
--config 'global { mirror_segtype_default = "raid1" }'
lvs --noheadings -o attr $vg /$lv1 | grep '^r*'
lvremove -ff $vg
###########################################
# Linear to RAID1 conversion (override "mirror" default segtype)
###########################################
lvcreate -l 2 -n $lv1 $vg
lvconvert --type raid1 -m 1 $vg /$lv1 \
--config 'global { mirror_segtype_default = "mirror" }'
lvs --noheadings -o attr $vg /$lv1 | grep '^r*'
lvremove -ff $vg
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###########################################
# Mirror to RAID1 conversion
###########################################
for i in 1 2 3 ; do
lvcreate --type mirror -m $i -l 2 -n $lv1 $vg
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aux wait_for_sync $vg $lv1
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lvconvert --type raid1 $vg /$lv1
lvremove -ff $vg
done
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###########################################
# 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