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lvm2/test/t-mirror-vgreduce-removemissing.sh
Petr Rockai 1b7c4b9bce Substantial rework of the functional test support code. Some new features:
- somewhat neater, more consistent and more readable output
- possible to set any lvm.conf value: aux lvmconf "section/key = value"
- LVM_TEST_NODEBUG to suppress the (lengthy) "## DEBUG" output
- back-substitution on test output ($TESTDIR/$PREFIX -> @TESTDIR@/@PREFIX@)
- support code moved from test/ to test/lib/ --> less clutter
2011-01-05 00:16:18 +00:00

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# Copyright (C) 2008 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"
. lib/test
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
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 -o+devices $vg/$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)) $num); do
eval local dev=$\dev$n
rem="$rem $dev"
done
echo "$rem"
}
# ---------------------------------------------------------------------
# Initialize PVs and VGs
aux prepare_vg 5
# ---------------------------------------------------------------------
# Common environment setup/cleanup for each sub testcases
prepare_lvs_()
{
lvremove -ff $vg;
if dmsetup table|grep $vg; then
echo "ERROR: lvremove did leave some some mappings in DM behind!"
return 1
fi
:
}
check_and_cleanup_lvs_()
{
lvs -a -o+devices $vg
lvremove -ff $vg
if dmsetup table|grep $vg; then
echo "ERROR: lvremove did leave some some mappings in DM behind!"
return 1
fi
}
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 -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0
lvchange -an $vg/$lv1
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 -l2 -m2 -n $lv1 $vg $dev1 $dev2 $dev3 $dev4:0
lvchange -an $vg/$lv1
mimages_are_on_ $lv1 $dev1 $dev2 $dev3
mirrorlog_is_on_ $lv1 $dev4
eval aux disable_dev \$dev$index
vgreduce --removemissing --force $vg
lvs -a -o+devices $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 -l2 -m2 -n $lv1 $vg $dev1 $dev2 $dev3 $dev4:0
lvchange -an $vg/$lv1
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
lvs -a -o+devices $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 -l2 -m2 -n $lv1 $vg $dev1 $dev2 $dev3 $dev5:0
lvchange -an $vg/$lv1
lvconvert -m+1 $vg/$lv1 $dev4
mimages_are_on_ $lv1 $dev1 $dev2 $dev3 $dev4
mirrorlog_is_on_ $lv1 $dev5
eval aux disable_dev \$dev$n
vgreduce --removemissing --force $vg
lvs -a -o+devices $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 (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
lvcreate -l2 -m2 -n $lv1 $vg $dev1 $dev2 $dev3 $dev5:0
lvchange -an $vg/$lv1
lvconvert -m+1 $vg/$lv1 $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 $vg
eval local dev=\$dev$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 (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 -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0
lvchange -an $vg/$lv1
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
lvs -a -o+devices $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
lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0
lvchange -an $vg/$lv1
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 $vg
eval local dev=\$dev$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 -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0
lvchange -an $vg/$lv1
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 -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0
lvchange -an $vg/$lv1
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 -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0
lvchange -an $vg/$lv1
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 -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0
lvchange -an $vg/$lv1
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 -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0
lvchange -an $vg/$lv1
lvcreate -l2 -m1 -n $lv2 $vg $dev3 $dev4 $dev5:1
lvchange -an $vg/$lv2
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 -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0
lvchange -an $vg/$lv1
lvcreate -l2 -m1 -n $lv2 $vg $dev3 $dev4 $dev5:1
lvchange -an $vg/$lv2
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 -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev5:0
lvchange -an $vg/$lv1
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_
# ---------------------------------------------------------------------