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lvm2/test/t-mirror-vgreduce-removemissing.sh

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# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
# Copyright (C) 2007 NEC Corporation
#
# 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
. ./test-utils.sh
dmsetup_has_dm_devdir_support_ || exit 200
pv_() {
eval "echo \$dev$1"
}
lv_is_on_ ()
{
local lv=$vg/$1
shift
local pvs=$*
echo "Check if $lv is exactly on PVs $pvs"
rm -f out1 out2
echo $pvs | sed 's/ /\n/g' | sort | uniq > out1
lvs -a -odevices --noheadings $lv | \
sed 's/([^)]*)//g; s/[ ,]/\n/g' | sort | uniq > out2
diff --ignore-blank-lines out1 out2
}
mimages_are_on_ ()
{
local lv=$1
shift
local pvs="$*"
local mimages
local i
echo "Check if mirror images of $lv are on PVs $pvs"
rm -f out1 out2
echo $pvs | sed 's/ /\n/g' | sort | uniq > out1
mimages=$(lvs --noheadings -a -o lv_name $vg | grep "${lv}_mimage_" | \
sed 's/\[//g; s/\]//g')
for i in $mimages; do
echo "Checking $vg/$i"
lvs -a -odevices --noheadings $vg/$i | \
sed 's/([^)]*)//g; s/ //g; s/,/ /g' | sort | uniq >> out2
done
diff --ignore-blank-lines out1 out2
}
mirrorlog_is_on_()
{
local lv="$1"_mlog
shift
lv_is_on_ $lv $*
}
lv_is_linear_()
{
echo "Check if $1 is linear LV (i.e. not a mirror)"
lvs -o stripes,attr --noheadings $vg/$1 | sed 's/ //g'
lvs -o stripes,attr --noheadings $vg/$1 | sed 's/ //g' | grep -q '^1-'
}
rest_pvs_()
{
local index=$1
local num=$2
local rem=""
local n
for n in $(seq 1 $(($index - 1))) $(seq $((index + 1)) $num); do
rem="$rem $(pv_ $n)"
done
echo "$rem"
}
# ---------------------------------------------------------------------
# Initialize PVs and VGs
aux prepare_vg 5
# ---------------------------------------------------------------------
# Common environment setup/cleanup for each sub testcases
prepare_lvs_()
{
lvremove -ff $vg;
:
}
check_and_cleanup_lvs_()
{
lvs -a -o+devices $vg &&
lvremove -ff $vg
}
recover_vg_()
{
enable_dev $* &&
pvcreate -ff $* &&
vgextend $vg $* &&
check_and_cleanup_lvs_
}
test_expect_success "check environment setup/cleanup" \
'prepare_lvs_ &&
check_and_cleanup_lvs_'
# ---------------------------------------------------------------------
# one of mirror images has failed
# basic: fail the 2nd mirror image of 2-way mirrored LV
prepare_lvs_
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1
lvchange -an $vg/$lv1
aux mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2)
mirrorlog_is_on_ $lv1 $(pv_ 3)
disable_dev $(pv_ 2)
vgreduce --removemissing --force $vg
lv_is_linear_ $lv1
lv_is_on_ $lv1 $(pv_ 1)
test_expect_success "cleanup" \
'recover_vg_ $(pv_ 2)'
# ---------------------------------------------------------------------
# LV has 3 images in flat,
# 1 out of 3 images fails
# test_3way_mirror_fail_1_ <PV# to fail>
test_3way_mirror_fail_1_()
{
local index=$1
lvcreate -l2 -m2 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4):0-1
lvchange -an $vg/$lv1
aux mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3)
mirrorlog_is_on_ $lv1 $(pv_ 4)
disable_dev $(pv_ $index)
vgreduce --removemissing --force $vg
lvs -a -o+devices $vg
cat $G_root_/etc/lvm.conf
mimages_are_on_ $lv1 $(rest_pvs_ $index 3)
mirrorlog_is_on_ $lv1 $(pv_ 4)
}
for n in $(seq 1 3); do
# fail mirror image $(($n - 1)) of 3-way mirrored LV" \
prepare_lvs_
test_3way_mirror_fail_1_ $n
recover_vg_ $(pv_ $n)
done
# ---------------------------------------------------------------------
# LV has 3 images in flat,
# 2 out of 3 images fail
# test_3way_mirror_fail_2_ <PV# NOT to fail>
test_3way_mirror_fail_2_()
{
local index=$1
lvcreate -l2 -m2 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4):0-1
lvchange -an $vg/$lv1
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3)
mirrorlog_is_on_ $lv1 $(pv_ 4)
rest_pvs_ $index 3
disable_dev $(rest_pvs_ $index 3)
vgreduce --force --removemissing $vg
lvs -a -o+devices $vg
aux lv_is_linear_ $lv1
lv_is_on_ $lv1 $(pv_ $index)
}
for n in $(seq 1 3); do
# fail mirror images other than mirror image $(($n - 1)) of 3-way mirrored LV
prepare_lvs_
test_3way_mirror_fail_2_ $n
recover_vg_ $(rest_pvs_ $n 3)
done
# ---------------------------------------------------------------------
# LV has 4 images, 1 of them is in the temporary mirror for syncing.
# 1 out of 4 images fails
# test_3way_mirror_plus_1_fail_1_ <PV# to fail>
test_3way_mirror_plus_1_fail_1_()
{
local index=$1
lvcreate -l2 -m2 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
lvconvert -m+1 $vg/$lv1 $(pv_ 4) &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
disable_dev $(pv_ $index) &&
vgreduce --removemissing --force $vg &&
lvs -a -o+devices $vg &&
mimages_are_on_ $lv1 $(rest_pvs_ $index 4) &&
mirrorlog_is_on_ $lv1 $(pv_ 5)
}
for n in $(seq 1 4); do
test_expect_success "fail mirror image $(($n - 1)) of 4-way (1 converting) mirrored LV" \
"prepare_lvs_ &&
test_3way_mirror_plus_1_fail_1_ $n"
test_expect_success "cleanup" \
"recover_vg_ $(pv_ $n)"
done
# ---------------------------------------------------------------------
# LV has 4 images, 1 of them is in the temporary mirror for syncing.
# 3 out of 4 images fail
# test_3way_mirror_plus_1_fail_3_ <PV# NOT to fail>
test_3way_mirror_plus_1_fail_3_()
{
local index=$1
lvcreate -l2 -m2 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
lvconvert -m+1 $vg/$lv1 $(pv_ 4) &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
disable_dev $(rest_pvs_ $index 4) &&
vgreduce --removemissing --force $vg &&
lvs -a -o+devices $vg &&
(mimages_are_on_ $lv1 $(pv_ $index) || lv_is_on_ $lv1 $(pv_ $index)) &&
! mirrorlog_is_on_ $lv1 $(pv_ 5)
}
for n in $(seq 1 4); do
test_expect_success "fail mirror images other than mirror image $(($n - 1)) of 4-way (1 converting) mirrored LV" \
"prepare_lvs_ &&
test_3way_mirror_plus_1_fail_3_ $n"
test_expect_success "cleanup" \
"recover_vg_ $(rest_pvs_ $n 4)"
done
# ---------------------------------------------------------------------
# LV has 4 images, 2 of them are in the temporary mirror for syncing.
# 1 out of 4 images fail
# test_2way_mirror_plus_2_fail_1_ <PV# to fail>
test_2way_mirror_plus_2_fail_1_()
{
local index=$1
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
lvconvert -m+2 $vg/$lv1 $(pv_ 3) $(pv_ 4) &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
disable_dev $(pv_ $index) &&
vgreduce --removemissing --force $vg &&
lvs -a -o+devices $vg &&
mimages_are_on_ $lv1 $(rest_pvs_ $index 4) &&
mirrorlog_is_on_ $lv1 $(pv_ 5)
}
for n in $(seq 1 4); do
test_expect_success "fail mirror image $(($n - 1)) of 4-way (2 converting) mirrored LV" \
"prepare_lvs_ &&
test_2way_mirror_plus_2_fail_1_ $n"
test_expect_success "cleanup" \
"recover_vg_ $(pv_ $n)"
done
# ---------------------------------------------------------------------
# LV has 4 images, 2 of them are in the temporary mirror for syncing.
# 3 out of 4 images fail
# test_2way_mirror_plus_2_fail_3_ <PV# NOT to fail>
test_2way_mirror_plus_2_fail_3_()
{
local index=$1
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
lvconvert -m+2 $vg/$lv1 $(pv_ 3) $(pv_ 4) &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
disable_dev $(rest_pvs_ $index 4) &&
vgreduce --removemissing --force $vg &&
lvs -a -o+devices $vg &&
(mimages_are_on_ $lv1 $(pv_ $index) || lv_is_on_ $lv1 $(pv_ $index)) &&
! mirrorlog_is_on_ $lv1 $(pv_ 5)
}
for n in $(seq 1 4); do
test_expect_success "fail mirror images other than mirror image $(($n - 1)) of 4-way (2 converting) mirrored LV" \
"prepare_lvs_ &&
test_2way_mirror_plus_2_fail_3_ $n"
test_expect_success "cleanup" \
"recover_vg_ $(rest_pvs_ $n 4)"
done
# ---------------------------------------------------------------------
# log device is gone (flat mirror and stacked mirror)
test_expect_success "fail mirror log of 2-way mirrored LV" \
'prepare_lvs_ &&
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
disable_dev $(pv_ 5) &&
vgreduce --removemissing --force $vg &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
! mirrorlog_is_on_ $lv1 $(pv_ 5)'
test_expect_success "cleanup" \
"recover_vg_ $(pv_ 5)"
test_expect_success "fail mirror log of 3-way (1 converting) mirrored LV" \
'prepare_lvs_ &&
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
lvconvert -m+1 $vg/$lv1 $(pv_ 3) &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
disable_dev $(pv_ 5) &&
vgreduce --removemissing --force $vg &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
! mirrorlog_is_on_ $lv1 $(pv_ 5)'
test_expect_success "cleanup" \
"recover_vg_ $(pv_ 5)"
# ---------------------------------------------------------------------
# all images are gone (flat mirror and stacked mirror)
test_expect_success "fail all mirror images of 2-way mirrored LV" \
'prepare_lvs_ &&
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
disable_dev $(pv_ 1) $(pv_ 2) &&
vgreduce --removemissing --force $vg &&
! lvs $vg/$lv1'
test_expect_success "cleanup" \
"recover_vg_ $(pv_ 1) $(pv_ 2)"
test_expect_success "fail all mirror images of 3-way (1 converting) mirrored LV" \
'prepare_lvs_ &&
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
lvconvert -m+1 $vg/$lv1 $(pv_ 3) &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
disable_dev $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
vgreduce --removemissing --force $vg &&
! lvs $vg/$lv1'
test_expect_success "cleanup" \
"recover_vg_ $(pv_ 1) $(pv_ 2) $(pv_ 3)"
# ---------------------------------------------------------------------
# Multiple LVs
test_expect_success "fail a mirror image of one of mirrored LV" \
'prepare_lvs_ &&
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
lvcreate -l2 -m1 -n $lv2 $vg $(pv_ 3) $(pv_ 4) $(pv_ 5):1-1 &&
lvchange -an $vg/$lv2 &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
mimages_are_on_ $lv2 $(pv_ 3) $(pv_ 4) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
mirrorlog_is_on_ $lv2 $(pv_ 5) &&
disable_dev $(pv_ 2) &&
vgreduce --removemissing --force $vg &&
mimages_are_on_ $lv2 $(pv_ 3) $(pv_ 4) &&
mirrorlog_is_on_ $lv2 $(pv_ 5) &&
lv_is_linear_ $lv1 &&
lv_is_on_ $lv1 $(pv_ 1)'
test_expect_success "cleanup" \
"recover_vg_ $(pv_ 2)"
test_expect_success "fail mirror images, one for each mirrored LV" \
'prepare_lvs_ &&
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
lvcreate -l2 -m1 -n $lv2 $vg $(pv_ 3) $(pv_ 4) $(pv_ 5):1-1 &&
lvchange -an $vg/$lv2 &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
mimages_are_on_ $lv2 $(pv_ 3) $(pv_ 4) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
mirrorlog_is_on_ $lv2 $(pv_ 5) &&
disable_dev $(pv_ 2) &&
disable_dev $(pv_ 4) &&
vgreduce --removemissing --force $vg &&
lv_is_linear_ $lv1 &&
lv_is_on_ $lv1 $(pv_ 1) &&
lv_is_linear_ $lv2 &&
lv_is_on_ $lv2 $(pv_ 3)'
test_expect_success "cleanup" \
"recover_vg_ $(pv_ 2) $(pv_ 4)"
# ---------------------------------------------------------------------
# no failure
test_expect_success "no failures" \
'prepare_lvs_ &&
lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
lvchange -an $vg/$lv1 &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
mirrorlog_is_on_ $lv1 $(pv_ 5) &&
vgreduce --removemissing --force $vg &&
mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
mirrorlog_is_on_ $lv1 $(pv_ 5)'
test_expect_success "cleanup" \
'check_and_cleanup_lvs_'
# ---------------------------------------------------------------------
test_done