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Add a test case for 'vgreduce --removemissing' on stacked mirror
This commit is contained in:
Dave Wysochanski
parent
efc1d46c89
commit
9b52617919
516
test/t-mirror-vgreduce-removemissing.sh
Executable file
516
test/t-mirror-vgreduce-removemissing.sh
Executable file
@ -0,0 +1,516 @@
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#!/bin/sh
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# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
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# Copyright (C) 2007 NEC Corporation
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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test_description="ensure that 'vgreduce --removemissing' works on mirrored LV"
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privileges_required_=1
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. ./test-lib.sh
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dmsetup_has_dm_devdir_support_ ||
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{
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say "Your version of dmsetup lacks support for changing DM_DEVDIR."
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say "Skipping this test"
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exit 0
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}
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cleanup_()
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{
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test -n "$vg" && {
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lvremove -ff $vg
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vgremove $vg
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} > /dev/null
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test -n "$pvs" && {
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pvremove $pvs > /dev/null
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for d in $pvs; do
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dmsetup remove $(basename $d)
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done
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}
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losetup -d $lodev
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rm -f $lofile
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}
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# ---------------------------------------------------------------------
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# config
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nr_pvs=5
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pvsize=$((80 * 1024 * 2))
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vg=mirror-vgreduce-removemissing-vg-$$
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lv1=lv1
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lv2=lv2
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lv3=lv3
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# ---------------------------------------------------------------------
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# Utilities
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pv_()
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{
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echo "$G_dev_/mapper/pv$1"
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}
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fail_pv_()
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{
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local map
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local p
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for p in $*; do
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map=$(basename $p)
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echo "Fail $map"
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[ -e map_$map ] && return
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dmsetup table "$map" > "map_$map"
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echo "0 $pvsize error" | dmsetup load "$map"
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dmsetup resume "$map"
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done
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}
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recover_pv_()
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{
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local map
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local p
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for p in $*; do
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map=$(basename $p)
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echo "Recover $map"
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[ ! -e "map_$map" ] && return
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cat "map_$map" | dmsetup load "$map"
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dmsetup resume "$map"
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rm "map_$map"
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done
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}
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lv_is_on_ ()
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{
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local lv=$vg/$1
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shift
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local pvs=$*
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echo "Check if $lv is exactly on PVs $pvs"
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rm -f out1 out2
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echo $pvs | sed 's/ /\n/g' | sort | uniq > out1
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lvs -a -odevices --noheadings $lv | \
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sed 's/([^)]*)//g; s/[ ,]/\n/g' | sort | uniq > out2
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diff --ignore-blank-lines out1 out2
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}
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mimages_are_on_ ()
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{
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local lv=$1
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shift
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local pvs=$*
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local mimages
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local i
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echo "Check if mirror images of $lv are on PVs $pvs"
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rm -f out1 out2
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echo $pvs | sed 's/ /\n/g' | sort | uniq > out1
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mimages=$(lvs --noheadings -a -o lv_name $vg | grep "${lv}_mimage_" | \
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sed 's/\[//g; s/\]//g')
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for i in $mimages; do
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echo "Checking $vg/$i"
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lvs -a -odevices --noheadings $vg/$i | \
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sed 's/([^)]*)//g; s/ //g; s/,/ /g' | sort | uniq >> out2
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done
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diff --ignore-blank-lines out1 out2
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}
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mirrorlog_is_on_()
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{
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local lv="$1"_mlog
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shift
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lv_is_on_ $lv $*
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}
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lv_is_linear_()
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{
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echo "Check if $1 is linear LV (i.e. not a mirror)"
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lvs -o stripes,attr --noheadings $vg/$1 | sed 's/ //g' | grep -q '^1-'
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}
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rest_pvs_()
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{
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local index=$1
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local num=$2
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local rem=""
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local n
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for n in $(seq 1 $(($index - 1))) $(seq $((index + 1)) $num); do
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rem="$rem $(pv_ $n)"
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done
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echo "$rem"
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}
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# ---------------------------------------------------------------------
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# Initialize PVs and VGs
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test_expect_success \
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'set up temp file and loopback device' \
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'lofile=$(pwd)/lofile && lodev=$(loop_setup_ "$lofile")'
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offset=1
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pvs=
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for n in $(seq 1 $nr_pvs); do
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test_expect_success \
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"create pv$n" \
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'echo "0 $pvsize linear $lodev $offset" > in &&
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dmsetup create pv$n < in'
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offset=$(($offset + $pvsize))
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done
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for n in $(seq 1 $nr_pvs); do
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pvs="$pvs $(pv_ $n)"
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done
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test_expect_success \
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"Run this: pvcreate $pvs" \
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'pvcreate $pvs'
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test_expect_success \
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'set up a VG' \
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'vgcreate $vg $pvs'
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# ---------------------------------------------------------------------
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# Common environment setup/cleanup for each sub testcases
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prepare_lvs_()
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{
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lvremove -ff $vg;
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:
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}
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check_and_cleanup_lvs_()
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{
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lvs -a -o+devices $vg &&
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lvremove -ff $vg
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}
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recover_vg_()
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{
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recover_pv_ $* &&
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pvcreate -ff $* &&
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vgextend $vg $* &&
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check_and_cleanup_lvs_
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}
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test_expect_success "check environment setup/cleanup" \
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'prepare_lvs_ &&
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check_and_cleanup_lvs_'
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# ---------------------------------------------------------------------
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# one of mirror images has failed
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test_expect_success "basic: fail the 2nd mirror image of 2-way mirrored LV" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1 &&
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lvchange -an $vg/$lv1 &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
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mirrorlog_is_on_ $lv1 $(pv_ 3) &&
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fail_pv_ $(pv_ 2) &&
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vgreduce --removemissing $vg &&
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lv_is_linear_ $lv1 &&
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lv_is_on_ $lv1 $(pv_ 1)'
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test_expect_success "cleanup" \
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'recover_vg_ $(pv_ 2)'
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# ---------------------------------------------------------------------
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# LV has 3 images in flat,
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# 1 out of 3 images fails
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# test_3way_mirror_fail_1_ <PV# to fail>
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test_3way_mirror_fail_1_()
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{
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local index=$1
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lvcreate -l2 -m2 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4):0-1 &&
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lvchange -an $vg/$lv1 &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
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mirrorlog_is_on_ $lv1 $(pv_ 4) &&
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fail_pv_ $(pv_ $index) &&
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vgreduce --removemissing $vg &&
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lvs -a -o+devices $vg &&
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mimages_are_on_ $lv1 $(rest_pvs_ $index 3) &&
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mirrorlog_is_on_ $lv1 $(pv_ 4)
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}
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for n in $(seq 1 3); do
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test_expect_success "fail mirror image $(($n - 1)) of 3-way mirrored LV" \
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"prepare_lvs_ &&
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test_3way_mirror_fail_1_ $n"
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test_expect_success "cleanup" \
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"recover_vg_ $(pv_ $n)"
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done
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# ---------------------------------------------------------------------
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# LV has 3 images in flat,
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# 2 out of 3 images fail
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# test_3way_mirror_fail_2_ <PV# NOT to fail>
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test_3way_mirror_fail_2_()
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{
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local index=$1
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lvcreate -l2 -m2 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4):0-1 &&
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lvchange -an $vg/$lv1 &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
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mirrorlog_is_on_ $lv1 $(pv_ 4) &&
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fail_pv_ $(rest_pvs_ $index 3) &&
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vgreduce --removemissing $vg &&
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lvs -a -o+devices $vg &&
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lv_is_linear_ $lv1 &&
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lv_is_on_ $lv1 $(pv_ $index)
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}
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for n in $(seq 1 3); do
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test_expect_success "fail mirror images other than mirror image $(($n - 1)) of 3-way mirrored LV" \
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"prepare_lvs_ &&
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test_3way_mirror_fail_2_ $n"
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test_expect_success "cleanup" \
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"recover_vg_ $(rest_pvs_ $n 3)"
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done
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# ---------------------------------------------------------------------
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# LV has 4 images, 1 of them is in the temporary mirror for syncing.
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# 1 out of 4 images fails
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# test_3way_mirror_plus_1_fail_1_ <PV# to fail>
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test_3way_mirror_plus_1_fail_1_()
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{
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local index=$1
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lvcreate -l2 -m2 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 5):0-1 &&
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lvchange -an $vg/$lv1 &&
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lvconvert -m+1 $vg/$lv1 $(pv_ 4) &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
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mirrorlog_is_on_ $lv1 $(pv_ 5) &&
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fail_pv_ $(pv_ $index) &&
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vgreduce --removemissing $vg &&
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lvs -a -o+devices $vg &&
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mimages_are_on_ $lv1 $(rest_pvs_ $index 4) &&
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mirrorlog_is_on_ $lv1 $(pv_ 5)
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}
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for n in $(seq 1 4); do
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test_expect_success "fail mirror image $(($n - 1)) of 4-way (1 converting) mirrored LV" \
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"prepare_lvs_ &&
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test_3way_mirror_plus_1_fail_1_ $n"
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test_expect_success "cleanup" \
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"recover_vg_ $(pv_ $n)"
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done
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# ---------------------------------------------------------------------
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# LV has 4 images, 1 of them is in the temporary mirror for syncing.
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# 3 out of 4 images fail
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# test_3way_mirror_plus_1_fail_3_ <PV# NOT to fail>
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test_3way_mirror_plus_1_fail_3_()
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{
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local index=$1
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lvcreate -l2 -m2 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 5):0-1 &&
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lvchange -an $vg/$lv1 &&
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lvconvert -m+1 $vg/$lv1 $(pv_ 4) &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
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mirrorlog_is_on_ $lv1 $(pv_ 5) &&
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fail_pv_ $(rest_pvs_ $index 4) &&
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vgreduce --removemissing $vg &&
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lvs -a -o+devices $vg &&
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(mimages_are_on_ $lv1 $(pv_ $index) || lv_is_on_ $lv1 $(pv_ $index)) &&
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! mirrorlog_is_on_ $lv1 $(pv_ 5)
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}
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for n in $(seq 1 4); do
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test_expect_success "fail mirror images other than mirror image $(($n - 1)) of 4-way (1 converting) mirrored LV" \
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"prepare_lvs_ &&
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test_3way_mirror_plus_1_fail_3_ $n"
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test_expect_success "cleanup" \
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"recover_vg_ $(rest_pvs_ $n 4)"
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done
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# ---------------------------------------------------------------------
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# LV has 4 images, 2 of them are in the temporary mirror for syncing.
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# 1 out of 4 images fail
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# test_2way_mirror_plus_2_fail_1_ <PV# to fail>
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test_2way_mirror_plus_2_fail_1_()
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{
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local index=$1
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
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lvchange -an $vg/$lv1 &&
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lvconvert -m+2 $vg/$lv1 $(pv_ 3) $(pv_ 4) &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
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mirrorlog_is_on_ $lv1 $(pv_ 5) &&
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fail_pv_ $(pv_ $index) &&
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vgreduce --removemissing $vg &&
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lvs -a -o+devices $vg &&
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mimages_are_on_ $lv1 $(rest_pvs_ $index 4) &&
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mirrorlog_is_on_ $lv1 $(pv_ 5)
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}
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for n in $(seq 1 4); do
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test_expect_success "fail mirror image $(($n - 1)) of 4-way (2 converting) mirrored LV" \
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"prepare_lvs_ &&
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test_2way_mirror_plus_2_fail_1_ $n"
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test_expect_success "cleanup" \
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"recover_vg_ $(pv_ $n)"
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done
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# ---------------------------------------------------------------------
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# LV has 4 images, 2 of them are in the temporary mirror for syncing.
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# 3 out of 4 images fail
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# test_2way_mirror_plus_2_fail_3_ <PV# NOT to fail>
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test_2way_mirror_plus_2_fail_3_()
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{
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local index=$1
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
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lvchange -an $vg/$lv1 &&
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lvconvert -m+2 $vg/$lv1 $(pv_ 3) $(pv_ 4) &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
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mirrorlog_is_on_ $lv1 $(pv_ 5) &&
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fail_pv_ $(rest_pvs_ $index 4) &&
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vgreduce --removemissing $vg &&
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lvs -a -o+devices $vg &&
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(mimages_are_on_ $lv1 $(pv_ $index) || lv_is_on_ $lv1 $(pv_ $index)) &&
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! mirrorlog_is_on_ $lv1 $(pv_ 5)
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}
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for n in $(seq 1 4); do
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test_expect_success "fail mirror images other than mirror image $(($n - 1)) of 4-way (2 converting) mirrored LV" \
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"prepare_lvs_ &&
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test_2way_mirror_plus_2_fail_3_ $n"
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test_expect_success "cleanup" \
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"recover_vg_ $(rest_pvs_ $n 4)"
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done
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# ---------------------------------------------------------------------
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# log device is gone (flat mirror and stacked mirror)
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test_expect_success "fail mirror log of 2-way mirrored LV" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
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lvchange -an $vg/$lv1 &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
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mirrorlog_is_on_ $lv1 $(pv_ 5) &&
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fail_pv_ $(pv_ 5) &&
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vgreduce --removemissing $vg &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
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! mirrorlog_is_on_ $lv1 $(pv_ 5)'
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test_expect_success "cleanup" \
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"recover_vg_ $(pv_ 5)"
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test_expect_success "fail mirror log of 3-way (1 converting) mirrored LV" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
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lvchange -an $vg/$lv1 &&
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lvconvert -m+1 $vg/$lv1 $(pv_ 3) &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
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mirrorlog_is_on_ $lv1 $(pv_ 5) &&
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fail_pv_ $(pv_ 5) &&
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vgreduce --removemissing $vg &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
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! mirrorlog_is_on_ $lv1 $(pv_ 5)'
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test_expect_success "cleanup" \
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"recover_vg_ $(pv_ 5)"
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# ---------------------------------------------------------------------
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# all images are gone (flat mirror and stacked mirror)
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test_expect_success "fail all mirror images of 2-way mirrored LV" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 5):0-1 &&
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lvchange -an $vg/$lv1 &&
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mimages_are_on_ $lv1 $(pv_ 1) $(pv_ 2) &&
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mirrorlog_is_on_ $lv1 $(pv_ 5) &&
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fail_pv_ $(pv_ 1) $(pv_ 2) &&
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vgreduce --removemissing $vg &&
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! lvs $vg/$lv1'
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test_expect_success "cleanup" \
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"recover_vg_ $(pv_ 1) $(pv_ 2)"
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test_expect_success "fail all mirror images of 3-way (1 converting) mirrored LV" \
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'prepare_lvs_ &&
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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
|
||||
Loading…
Reference in New Issue
Block a user