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lvm2/test/shell/mirror-vgreduce-removemissing.sh
Zdenek Kabelac a1ed9bc145 tests: more exact test
Check there is really just linear.

Also short-circuit mimages_are_on_ when file is empty
(avoids unbound  mimages[@] access on older bash)
2017-07-12 01:21:44 +02:00

460 lines
12 KiB
Bash

#!/usr/bin/env bash
# Copyright (C) 2008-2017 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
test_description="ensure that 'vgreduce --removemissing' works on mirrored LV"
SKIP_WITH_LVMLOCKD=1
SKIP_WITH_LVMPOLLD=1
# disable lvmetad logging as it bogs down test systems
export LVM_TEST_LVMETAD_DEBUG_OPTS=${LVM_TEST_LVMETAD_DEBUG_OPTS-}
. lib/inittest
list_pvs=()
lv_is_on_ ()
{
local lv=$vg/$1
shift
local list_pvs=( "$@" )
echo "Check if $lv is exactly on PVs" "${list_pvs[@]}"
rm -f out1 out2
printf "%s\n" "${list_pvs[@]}" | sort | uniq > out1
lvs -a -o+devices $lv
get lv_devices "$lv" | sort | uniq > out2
diff --ignore-blank-lines out1 out2
}
mimages_are_on_ ()
{
local lv=$1
shift
local list_pvs=( "$@" )
local mimages=()
local i
echo "Check if mirror images of $lv are on PVs" "${list_pvs[@]}"
printf "%s\n" "${list_pvs[@]}" | sort | uniq > out1
get lv_field_lv_ "$vg" lv_name -a | grep "${lv}_mimage_" | tee lvs_log
test -s lvs_log || return 1
while IFS= read -r i ; do
mimages+=( "$i" )
done < lvs_log
for i in "${mimages[@]}"; do
echo "Checking $vg/$i"
lvs -a -o+devices "$vg/$i"
done
for i in "${mimages[@]}"; do
get lv_devices "$vg/$i"
done | sort | uniq > out2
diff --ignore-blank-lines out1 out2
}
mirrorlog_is_on_()
{
local lv=${1}_mlog
shift
lv_is_on_ $lv "$@"
}
lv_is_linear_()
{
echo "Check if $1 is linear LV (i.e. not a mirror)"
get lv_field $vg/$1 "stripes,attr" | tee out
grep "^1 -" out >/dev/null
}
rest_pvs_()
{
local index=$1
local num=$2
local rem=()
local n
local dev
for n in $(seq 1 $(( index - 1 )) ) $(seq $(( index + 1 )) $num); do
eval "dev=\$dev$n"
rem+=( "$dev" )
done
printf "%s\n" "${rem[@]}"
}
# ---------------------------------------------------------------------
# Initialize PVs and VGs
aux prepare_pvs 5 80
get_devs
vgcreate -s 64k "$vg" "${DEVICES[@]}"
BLOCKS=0-7
BLOCKS1=8-15
# ---------------------------------------------------------------------
# Common environment setup/cleanup for each sub testcases
prepare_lvs_()
{
lvremove -ff $vg
(dm_table | not grep $vg) || \
die "ERROR: lvremove did leave some some mappings in DM behind!"
}
check_and_cleanup_lvs_()
{
lvs -a -o+devices $vg
prepare_lvs_
}
recover_vg_()
{
aux enable_dev "$@"
pvcreate -ff "$@"
vgextend $vg "$@"
check_and_cleanup_lvs_
}
#COMM "check environment setup/cleanup"
prepare_lvs_
check_and_cleanup_lvs_
# ---------------------------------------------------------------------
# one of mirror images has failed
#COMM "basic: fail the 2nd mirror image of 2-way mirrored LV"
prepare_lvs_
lvcreate -an -Zn -l2 --type mirror -m1 --nosync -n $lv1 $vg "$dev1" "$dev2" "$dev3":$BLOCKS
mimages_are_on_ $lv1 "$dev1" "$dev2"
mirrorlog_is_on_ $lv1 "$dev3"
aux disable_dev "$dev2"
vgreduce --removemissing --force $vg
lv_is_linear_ $lv1
lv_is_on_ $lv1 "$dev1"
# "cleanup"
recover_vg_ "$dev2"
# ---------------------------------------------------------------------
# LV has 3 images in flat,
# 1 out of 3 images fails
#COMM test_3way_mirror_fail_1_ <PV# to fail>
test_3way_mirror_fail_1_()
{
local index=$1
lvcreate -an -Zn -l2 --type mirror -m2 --nosync -n $lv1 $vg "$dev1" "$dev2" "$dev3" "$dev4":$BLOCKS
mimages_are_on_ $lv1 "$dev1" "$dev2" "$dev3"
mirrorlog_is_on_ $lv1 "$dev4"
eval aux disable_dev "\$dev$index"
vgreduce --removemissing --force $vg
list_pvs=(); while IFS= read -r line ; do
list_pvs+=( "$line" )
done < <( rest_pvs_ "$index" 3 )
mimages_are_on_ "$lv1" "${list_pvs[@]}"
mirrorlog_is_on_ $lv1 "$dev4"
}
for n in $(seq 1 3); do
#COMM fail mirror image $(($n - 1)) of 3-way mirrored LV"
prepare_lvs_
test_3way_mirror_fail_1_ $n
eval recover_vg_ "\$dev$n"
done
# ---------------------------------------------------------------------
# LV has 3 images in flat,
# 2 out of 3 images fail
#COMM test_3way_mirror_fail_2_ <PV# NOT to fail>
test_3way_mirror_fail_2_()
{
local index=$1
lvcreate -an -Zn -l2 --type mirror -m2 --nosync -n $lv1 $vg "$dev1" "$dev2" "$dev3" "$dev4":$BLOCKS
mimages_are_on_ $lv1 "$dev1" "$dev2" "$dev3"
mirrorlog_is_on_ $lv1 "$dev4"
list_pvs=(); while IFS= read -r line ; do
list_pvs+=( "$line" )
done < <( rest_pvs_ "$index" 3 )
aux disable_dev "${list_pvs[@]}"
vgreduce --force --removemissing $vg
lv_is_linear_ $lv1
eval lv_is_on_ $lv1 "\$dev$n"
}
for n in $(seq 1 3); do
#COMM fail mirror images other than mirror image $(($n - 1)) of 3-way mirrored LV
prepare_lvs_
test_3way_mirror_fail_2_ $n
list_pvs=(); while IFS= read -r line ; do
list_pvs+=( "$line" )
done < <( rest_pvs_ "$n" 3 )
recover_vg_ "${list_pvs[@]}"
done
# ---------------------------------------------------------------------
# LV has 4 images, 1 of them is in the temporary mirror for syncing.
# 1 out of 4 images fails
#COMM test_3way_mirror_plus_1_fail_1_ <PV# to fail>
test_3way_mirror_plus_1_fail_1_()
{
local index=$1
lvcreate -an -Zn -l2 --type mirror -m2 -n $lv1 $vg "$dev1" "$dev2" "$dev3" "$dev5":$BLOCKS
lvconvert -m+1 $vg/$lv1 "$dev4"
check mirror_images_on $vg $lv1 "$dev1" "$dev2" "$dev3" "$dev4"
check mirror_log_on $vg $lv1 "$dev5"
eval aux disable_dev \$dev$index
vgreduce --removemissing --force $vg
list_pvs=(); while IFS= read -r line ; do
list_pvs+=( "$line" )
done < <( rest_pvs_ "$index" 4 )
check mirror_images_on $vg $lv1 "${list_pvs[@]}"
check mirror_log_on $vg $lv1 "$dev5"
}
for n in $(seq 1 4); do
#COMM "fail mirror image $(($n - 1)) of 4-way (1 converting) mirrored LV"
prepare_lvs_
test_3way_mirror_plus_1_fail_1_ $n
eval recover_vg_ \$dev$n
done
# ---------------------------------------------------------------------
# LV has 4 images, 1 of them is in the temporary mirror for syncing.
# 3 out of 4 images fail
#COMM test_3way_mirror_plus_1_fail_3_ <PV# NOT to fail>
test_3way_mirror_plus_1_fail_3_()
{
local index=$1
local dev
lvcreate -an -Zn -l2 --type mirror -m2 -n $lv1 $vg "$dev1" "$dev2" "$dev3" "$dev5":$BLOCKS
lvconvert -m+1 $vg/$lv1 "$dev4"
check mirror_images_on $vg $lv1 "$dev1" "$dev2" "$dev3" "$dev4"
check mirror_log_on $vg $lv1 "$dev5"
list_pvs=(); while IFS= read -r line ; do
list_pvs+=( "$line" )
done < <( rest_pvs_ "$index" 4 )
aux disable_dev "${list_pvs[@]}"
vgreduce --removemissing --force $vg
lvs -a -o+devices $vg
eval dev=\$dev$n
check linear $vg $lv1
check lv_on $vg $lv1 "$dev"
}
for n in $(seq 1 4); do
#COMM "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_ $n
list_pvs=(); while IFS= read -r line ; do
list_pvs+=( "$line" )
done < <( rest_pvs_ "$n" 4 )
recover_vg_ "${list_pvs[@]}"
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 -an -Zn -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev5":$BLOCKS
lvconvert -m+2 $vg/$lv1 "$dev3" "$dev4"
mimages_are_on_ $lv1 "$dev1" "$dev2" "$dev3" "$dev4"
mirrorlog_is_on_ $lv1 "$dev5"
eval aux disable_dev \$dev$n
vgreduce --removemissing --force $vg
list_pvs=(); while IFS= read -r line ; do
list_pvs+=( "$line" )
done < <( rest_pvs_ "$index" 4 )
mimages_are_on_ "$lv1" "${list_pvs[@]}"
mirrorlog_is_on_ $lv1 "$dev5"
}
for n in $(seq 1 4); do
#COMM "fail mirror image $(($n - 1)) of 4-way (2 converting) mirrored LV"
prepare_lvs_
test_2way_mirror_plus_2_fail_1_ $n
eval recover_vg_ "\$dev$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
local dev
lvcreate -an -Zn -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev5":$BLOCKS
lvconvert -m+2 $vg/$lv1 "$dev3" "$dev4"
mimages_are_on_ $lv1 "$dev1" "$dev2" "$dev3" "$dev4"
mirrorlog_is_on_ $lv1 "$dev5"
list_pvs=(); while IFS= read -r line ; do
list_pvs+=( "$line" )
done < <( rest_pvs_ "$index" 4 )
aux disable_dev "${list_pvs[@]}"
vgreduce --removemissing --force $vg
lvs -a -o+devices $vg
eval dev=\$dev$n
not mimages_are_on_ $lv1 "$dev"
lv_is_on_ $lv1 "$dev"
not mirrorlog_is_on_ $lv1 "$dev5"
}
for n in $(seq 1 4); do
#COMM "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_ $n
list_pvs=(); while IFS= read -r line ; do
list_pvs+=( "$line" )
done < <( rest_pvs_ "$n" 4 )
recover_vg_ "${list_pvs[@]}"
done
# ---------------------------------------------------------------------
# log device is gone (flat mirror and stacked mirror)
#COMM "fail mirror log of 2-way mirrored LV"
prepare_lvs_
lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev5":$BLOCKS
mimages_are_on_ $lv1 "$dev1" "$dev2"
mirrorlog_is_on_ $lv1 "$dev5"
aux disable_dev "$dev5"
vgreduce --removemissing --force $vg
mimages_are_on_ $lv1 "$dev1" "$dev2"
not mirrorlog_is_on_ $lv1 "$dev5"
recover_vg_ "$dev5"
#COMM "fail mirror log of 3-way (1 converting) mirrored LV"
prepare_lvs_
lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev5":$BLOCKS
lvconvert -m+1 $vg/$lv1 "$dev3"
mimages_are_on_ $lv1 "$dev1" "$dev2" "$dev3"
mirrorlog_is_on_ $lv1 "$dev5"
aux disable_dev "$dev5"
vgreduce --removemissing --force $vg
mimages_are_on_ $lv1 "$dev1" "$dev2" "$dev3"
not mirrorlog_is_on_ $lv1 "$dev5"
recover_vg_ "$dev5"
# ---------------------------------------------------------------------
# all images are gone (flat mirror and stacked mirror)
#COMM "fail all mirror images of 2-way mirrored LV"
prepare_lvs_
lvcreate -an -Zn -l2 --type mirror -m1 --nosync -n $lv1 $vg "$dev1" "$dev2" "$dev5":$BLOCKS
mimages_are_on_ $lv1 "$dev1" "$dev2"
mirrorlog_is_on_ $lv1 "$dev5"
aux disable_dev "$dev1" "$dev2"
vgreduce --removemissing --force $vg
not lvs $vg/$lv1
recover_vg_ "$dev1" "$dev2"
#COMM "fail all mirror images of 3-way (1 converting) mirrored LV"
prepare_lvs_
lvcreate -an -Zn -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev5":$BLOCKS
lvconvert -m+1 $vg/$lv1 "$dev3"
mimages_are_on_ $lv1 "$dev1" "$dev2" "$dev3"
mirrorlog_is_on_ $lv1 "$dev5"
aux disable_dev "$dev1" "$dev2" "$dev3"
vgreduce --removemissing --force $vg
not lvs $vg/$lv1
recover_vg_ "$dev1" "$dev2" "$dev3"
# ---------------------------------------------------------------------
# Multiple LVs
#COMM "fail a mirror image of one of mirrored LV"
prepare_lvs_
lvcreate -an -Zn -l2 --type mirror -m1 --nosync -n $lv1 $vg "$dev1" "$dev2" "$dev5":$BLOCKS
lvcreate -an -Zn -l2 --type mirror -m1 --nosync -n $lv2 $vg "$dev3" "$dev4" "$dev5":$BLOCKS1
mimages_are_on_ $lv1 "$dev1" "$dev2"
mimages_are_on_ $lv2 "$dev3" "$dev4"
mirrorlog_is_on_ $lv1 "$dev5"
mirrorlog_is_on_ $lv2 "$dev5"
aux disable_dev "$dev2"
vgreduce --removemissing --force $vg
mimages_are_on_ $lv2 "$dev3" "$dev4"
mirrorlog_is_on_ $lv2 "$dev5"
lv_is_linear_ $lv1
lv_is_on_ $lv1 "$dev1"
recover_vg_ "$dev2"
#COMM "fail mirror images, one for each mirrored LV"
prepare_lvs_
lvcreate -an -Zn -l2 --type mirror -m1 --nosync -n $lv1 $vg "$dev1" "$dev2" "$dev5":$BLOCKS
lvcreate -an -Zn -l2 --type mirror -m1 --nosync -n $lv2 $vg "$dev3" "$dev4" "$dev5":$BLOCKS1
mimages_are_on_ $lv1 "$dev1" "$dev2"
mimages_are_on_ $lv2 "$dev3" "$dev4"
mirrorlog_is_on_ $lv1 "$dev5"
mirrorlog_is_on_ $lv2 "$dev5"
aux disable_dev "$dev2"
aux disable_dev "$dev4"
vgreduce --removemissing --force $vg
lv_is_linear_ $lv1
lv_is_on_ $lv1 "$dev1"
lv_is_linear_ $lv2
lv_is_on_ $lv2 "$dev3"
recover_vg_ "$dev2" "$dev4"
# ---------------------------------------------------------------------
# no failure
#COMM "no failures"
prepare_lvs_
lvcreate -an -Zn -l2 --type mirror -m1 --nosync -n $lv1 $vg "$dev1" "$dev2" "$dev5":$BLOCKS
mimages_are_on_ $lv1 "$dev1" "$dev2"
mirrorlog_is_on_ $lv1 "$dev5"
vgreduce --removemissing --force $vg
mimages_are_on_ $lv1 "$dev1" "$dev2"
mirrorlog_is_on_ $lv1 "$dev5"
check_and_cleanup_lvs_
# ---------------------------------------------------------------------