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lvm2/test/shell/mirror-vgreduce-removemissing.sh
Ondrej Kozina e587b0677b lvmpolld: Add standalone polldaemon.
See doc/lvmpolld_overview.txt
2015-05-09 00:59:18 +01:00

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#!/bin/sh
# Copyright (C) 2008-2012 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_description="ensure that 'vgreduce --removemissing' works on mirrored LV"
# disable lvmetad logging as it bogs down test systems
export LVM_TEST_LVMETAD_DEBUG_OPTS=${LVM_TEST_LVMETAD_DEBUG_OPTS-}
. lib/inittest
test -e LOCAL_LVMPOLLD && skip
lv_is_on_ ()
{
local lv=$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 -o+devices $lv
get lv_devices $lv | sed 's/ /\n/g' | sort | uniq > out2 || true
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
lvs --noheadings -a -o lv_name $vg | tee lvs_log
mimages=$(grep "${lv}_mimage_" lvs_log | \
sed 's/\[//g; s/\]//g' || true)
for i in $mimages; do
echo "Checking $vg/$i"
lvs -a -o+devices $vg/$i
lvs -a -odevices --noheadings $vg/$i | tee lvs_log
sed 's/([^)]*)//g; s/ //g; s/,/ /g' lvs_log | sort | uniq >> out2 || true
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)"
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$n
rem="$rem $dev"
done
echo "$rem"
}
# ---------------------------------------------------------------------
# Initialize PVs and VGs
aux prepare_pvs 5 80
vgcreate -s 64k $vg $(cat 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
mimages_are_on_ $lv1 $(rest_pvs_ $index 3)
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"
rest_pvs_ $index 3
aux disable_dev $(rest_pvs_ $index 3)
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
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
#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
lvs -a -o +devices
vgreduce --removemissing --force $vg
lvs -a -o+devices # $vg
check mirror_images_on $vg $lv1 "$dev5" # $(rest_pvs_ $index 4)
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"
lvs -a -o+devices $vg
aux disable_dev $(rest_pvs_ $index 4)
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
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 -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
mimages_are_on_ $lv1 $(rest_pvs_ $index 4)
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"
aux disable_dev $(rest_pvs_ $index 4)
vgreduce --removemissing --force $vg
lvs -a -o+devices $vg
eval dev=\$dev$n
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
recover_vg_ $(rest_pvs_ $n 4)
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_
# ---------------------------------------------------------------------