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LVM2/test t-mirror-vgreduce-removemissing.sh
- From: wysochanski at sourceware dot org
- To: lvm-devel at redhat dot com, lvm2-cvs at sourceware dot org
- Date: 17 Jan 2008 18:29:36 -0000
- Subject: LVM2/test t-mirror-vgreduce-removemissing.sh
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: wysochanski@sourceware.org 2008-01-17 18:29:36
Added files:
test : t-mirror-vgreduce-removemissing.sh
Log message:
Add a test case for 'vgreduce --removemissing' on stacked mirror
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/test/t-mirror-vgreduce-removemissing.sh.diff?cvsroot=lvm2&r1=NONE&r2=1.1
/cvs/lvm2/LVM2/test/t-mirror-vgreduce-removemissing.sh,v --> standard output
revision 1.1
--- LVM2/test/t-mirror-vgreduce-removemissing.sh
+++ - 2008-01-17 18:29:36.558129000 +0000
@@ -0,0 +1,516 @@
+#!/bin/sh
+# 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_description="ensure that 'vgreduce --removemissing' works on mirrored LV"
+privileges_required_=1
+
+. ./test-lib.sh
+
+dmsetup_has_dm_devdir_support_ ||
+{
+ say "Your version of dmsetup lacks support for changing DM_DEVDIR."
+ say "Skipping this test"
+ exit 0
+}
+
+cleanup_()
+{
+ test -n "$vg" && {
+ lvremove -ff $vg
+ vgremove $vg
+ } > /dev/null
+ test -n "$pvs" && {
+ pvremove $pvs > /dev/null
+ for d in $pvs; do
+ dmsetup remove $(basename $d)
+ done
+ }
+ losetup -d $lodev
+ rm -f $lofile
+}
+
+# ---------------------------------------------------------------------
+# config
+
+nr_pvs=5
+pvsize=$((80 * 1024 * 2))
+
+vg=mirror-vgreduce-removemissing-vg-$$
+lv1=lv1
+lv2=lv2
+lv3=lv3
+
+# ---------------------------------------------------------------------
+# Utilities
+
+pv_()
+{
+ echo "$G_dev_/mapper/pv$1"
+}
+
+fail_pv_()
+{
+ local map
+ local p
+ for p in $*; do
+ map=$(basename $p)
+ echo "Fail $map"
+ [ -e map_$map ] && return
+ dmsetup table "$map" > "map_$map"
+ echo "0 $pvsize error" | dmsetup load "$map"
+ dmsetup resume "$map"
+ done
+}
+
+recover_pv_()
+{
+ local map
+ local p
+
+ for p in $*; do
+ map=$(basename $p)
+ echo "Recover $map"
+ [ ! -e "map_$map" ] && return
+ cat "map_$map" | dmsetup load "$map"
+ dmsetup resume "$map"
+ rm "map_$map"
+ done
+}
+
+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' | 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
+
+test_expect_success \
+ 'set up temp file and loopback device' \
+ 'lofile=$(pwd)/lofile && lodev=$(loop_setup_ "$lofile")'
+
+offset=1
+pvs=
+for n in $(seq 1 $nr_pvs); do
+ test_expect_success \
+ "create pv$n" \
+ 'echo "0 $pvsize linear $lodev $offset" > in &&
+ dmsetup create pv$n < in'
+ offset=$(($offset + $pvsize))
+done
+
+for n in $(seq 1 $nr_pvs); do
+ pvs="$pvs $(pv_ $n)"
+done
+
+test_expect_success \
+ "Run this: pvcreate $pvs" \
+ 'pvcreate $pvs'
+
+test_expect_success \
+ 'set up a VG' \
+ 'vgcreate $vg $pvs'
+
+# ---------------------------------------------------------------------
+# 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_()
+{
+ recover_pv_ $* &&
+ 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
+
+test_expect_success "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 &&
+ mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
+ mirrorlog_is_on_ $lv1 $(pv_ 3) &&
+ fail_pv_ $(pv_ 2) &&
+ vgreduce --removemissing $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 &&
+ mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
+ mirrorlog_is_on_ $lv1 $(pv_ 4) &&
+ fail_pv_ $(pv_ $index) &&
+ vgreduce --removemissing $vg &&
+ lvs -a -o+devices $vg &&
+ mimages_are_on_ $lv1 $(rest_pvs_ $index 3) &&
+ mirrorlog_is_on_ $lv1 $(pv_ 4)
+}
+
+for n in $(seq 1 3); do
+ test_expect_success "fail mirror image $(($n - 1)) of 3-way mirrored LV" \
+ "prepare_lvs_ &&
+ test_3way_mirror_fail_1_ $n"
+ test_expect_success "cleanup" \
+ "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) &&
+ fail_pv_ $(rest_pvs_ $index 3) &&
+ vgreduce --removemissing $vg &&
+ lvs -a -o+devices $vg &&
+ lv_is_linear_ $lv1 &&
+ lv_is_on_ $lv1 $(pv_ $index)
+}
+
+for n in $(seq 1 3); do
+ test_expect_success "fail mirror images other than mirror image $(($n - 1)) of 3-way mirrored LV" \
+ "prepare_lvs_ &&
+ test_3way_mirror_fail_2_ $n"
+ test_expect_success "cleanup" \
+ "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) &&
+ fail_pv_ $(pv_ $index) &&
+ vgreduce --removemissing $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) &&
+ fail_pv_ $(rest_pvs_ $index 4) &&
+ vgreduce --removemissing $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) &&
+ fail_pv_ $(pv_ $index) &&
+ vgreduce --removemissing $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) &&
+ fail_pv_ $(rest_pvs_ $index 4) &&
+ vgreduce --removemissing $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) &&
+ fail_pv_ $(pv_ 5) &&
+ vgreduce --removemissing $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) &&
+ fail_pv_ $(pv_ 5) &&
+ vgreduce --removemissing $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) &&
+ fail_pv_ $(pv_ 1) $(pv_ 2) &&
+ vgreduce --removemissing $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) &&
+ fail_pv_ $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
+ vgreduce --removemissing $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) &&
+ fail_pv_ $(pv_ 2) &&
+ vgreduce --removemissing $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) &&
+ fail_pv_ $(pv_ 2) &&
+ fail_pv_ $(pv_ 4) &&
+ vgreduce --removemissing $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 $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