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#!/usr/bin/env bash
# Copyright (C) 2018 Red Hat, Inc. All rights reserved.
#
# 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
SKIP_WITH_LVMPOLLD = 1
. lib/inittest
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which mkfs.ext4 || skip
which resize2fs || skip
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aux have_integrity 1 5 0 || skip
# Avoid 4K ramdisk devices on older kernels
aux kernel_at_least 5 10 || export LVM_TEST_PREFER_BRD = 0
mnt = "mnt"
mkdir -p $mnt
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aux prepare_devs 9 80
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# Use awk instead of anoyingly long log out from printf
#printf "%0.sA" {1..16384} >> fileA
awk 'BEGIN { while (z++ < 16384) printf "A" }' > fileA
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awk 'BEGIN { while (z++ < 4096) printf "B" ; while (z++ < 16384) printf "b" }' > fileB
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awk 'BEGIN { while (z++ < 16384) printf "C" }' > fileC
# generate random data
dd if = /dev/urandom of = randA bs = 512K count = 2
dd if = /dev/urandom of = randB bs = 512K count = 3
dd if = /dev/urandom of = randC bs = 512K count = 4
_prepare_vg( ) {
# zero devs so we are sure to find the correct file data
# on the underlying devs when corrupting it
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aux clear_devs " $dev1 " " $dev2 " " $dev3 " " $dev4 " " $dev5 "
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vgcreate $SHARED $vg " $dev1 " " $dev2 " " $dev3 " " $dev4 " " $dev5 " " $dev6 "
pvs
}
_test_fs_with_read_repair( ) {
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mkfs.ext4 -b 4096 " $DM_DEV_DIR / $vg / $lv1 "
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mount " $DM_DEV_DIR / $vg / $lv1 " $mnt
cp randA $mnt
cp randB $mnt
cp randC $mnt
cp fileA $mnt
cp fileB $mnt
cp fileC $mnt
# The files written above are in the writecache so reading
# them back later will come from the writecache and not from the
# corrupted dev. Write a bunch of new data to the fs to clear
# the original files from the writecache, so when they are read
# back the data will hopefully come from the underlying disk and
# trigger reading the corrupted data.
mkdir $mnt /new1
cat randA > $mnt /new1/randA
cat randB > $mnt /new1/randB
cat randC > $mnt /new1/randC
sync
du -h $mnt /new1
cp -r $mnt /new1 $mnt /new2 || true
cp -r $mnt /new1 $mnt /new3 || true
cp -r $mnt /new1 $mnt /new4 || true
sync
du -h $mnt
df -h
# hopefully fileA is no longer in the writecache.
umount $mnt
lvchange -an $vg /$lv1
for dev in " $@ " ; do
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aux corrupt_dev " $dev " BBBBBBBBBBBBBBBBB BBBBBBBBCBBBBBBBB
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done
lvchange -ay $vg /$lv1
mount " $DM_DEV_DIR / $vg / $lv1 " $mnt
cmp -b $mnt /fileA fileA
cmp -b $mnt /fileB fileB
cmp -b $mnt /fileC fileC
umount $mnt
}
_add_new_data_to_mnt( ) {
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mkfs.ext4 -b 4096 " $DM_DEV_DIR / $vg / $lv1 "
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mount " $DM_DEV_DIR / $vg / $lv1 " $mnt
# add original data
cp randA $mnt
cp randB $mnt
cp randC $mnt
mkdir $mnt /1
cp fileA $mnt /1
cp fileB $mnt /1
cp fileC $mnt /1
mkdir $mnt /2
cp fileA $mnt /2
cp fileB $mnt /2
cp fileC $mnt /2
}
_add_more_data_to_mnt( ) {
mkdir $mnt /more
cp fileA $mnt /more
cp fileB $mnt /more
cp fileC $mnt /more
cp randA $mnt /more
cp randB $mnt /more
cp randC $mnt /more
}
_verify_data_on_mnt( ) {
cmp -b randA $mnt /randA
cmp -b randB $mnt /randB
cmp -b randC $mnt /randC
cmp -b fileA $mnt /1/fileA
cmp -b fileB $mnt /1/fileB
cmp -b fileC $mnt /1/fileC
cmp -b fileA $mnt /2/fileA
cmp -b fileB $mnt /2/fileB
cmp -b fileC $mnt /2/fileC
}
_verify_data_on_lv( ) {
lvchange -ay $vg /$lv1
mount " $DM_DEV_DIR / $vg / $lv1 " $mnt
_verify_data_on_mnt
rm $mnt /randA
rm $mnt /randB
rm $mnt /randC
rm -rf $mnt /1
rm -rf $mnt /2
umount $mnt
lvchange -an $vg /$lv1
}
# lv1 is a raid+integrity LV
# three variations of caching on lv1:
#
# 1. lvcreate --type cache-pool -n fast -l 4 $vg $dev6
# lvconvert --type cache --cachepool fast $vg/$lv1
#
# 2. lvcreate --type linear -n fast -l 4 $vg $dev6
# lvconvert --type cache --cachvol fast $vg/$lv1
#
# 3. lvcreate --type linear -n fast -l 4 $vg $dev6
# lvconvert --type writecache --cachvol fast $vg/$lv1
do_test( ) {
# --cachepool | --cachevol
local create_type = $1
# cache | writecache
local convert_type = $2
# --type cache-pool | --type linear
local convert_option = $3
# corig | wcorig
local suffix = $4
_prepare_vg
lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 8 $vg " $dev1 " " $dev2 "
lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
aux wait_recalc $vg /${ lv1 } _${ suffix }
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_test_fs_with_read_repair " $dev1 "
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_0 | tee mismatch
not grep ' 0 ' mismatch
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } | tee mismatch
not grep ' 0 ' mismatch
lvchange -an $vg /$lv1
lvconvert --raidintegrity n $vg /${ lv1 } _${ suffix }
lvs -a -o name,size,segtype,devices,sync_percent $vg
lvremove $vg /$lv1
vgremove -ff $vg
_prepare_vg
lvcreate --type raid1 -m2 --raidintegrity y -n $lv1 -l 8 $vg " $dev1 " " $dev2 " " $dev3 "
lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_2
aux wait_recalc $vg /${ lv1 } _${ suffix }
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_test_fs_with_read_repair " $dev1 " " $dev2 "
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_0 | tee mismatch
not grep ' 0 ' mismatch
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } | tee mismatch
not grep ' 0 ' mismatch
lvchange -an $vg /$lv1
lvconvert --raidintegrity n $vg /${ lv1 } _${ suffix }
lvconvert --splitcache $vg /$lv1
lvremove $vg /$lv1
vgremove -ff $vg
_prepare_vg
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lvcreate --type raid5 --raidintegrity y -n $lv1 -I4 -l 8 $vg " $dev1 " " $dev2 " " $dev3 "
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_2
aux wait_recalc $vg /${ lv1 } _${ suffix }
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_test_fs_with_read_repair " $dev1 " " $dev2 " " $dev3 "
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_0
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_1
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_2
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } | tee mismatch
not grep ' 0 ' mismatch
lvconvert --splitcache $vg /$lv1
lvchange -an $vg /$lv1
lvconvert --raidintegrity n $vg /$lv1
lvremove $vg /$lv1
vgremove -ff $vg
# Test removing integrity from an active LV
_prepare_vg
lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 8 $vg
lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
aux wait_recalc $vg /${ lv1 } _${ suffix }
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_add_new_data_to_mnt
lvconvert --raidintegrity n $vg /${ lv1 } _${ suffix }
_add_more_data_to_mnt
lvconvert --splitcache $vg /$lv1
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
# Test adding integrity to an active LV
_prepare_vg
lvcreate --type raid1 -m1 -n $lv1 -l 8 $vg
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aux wait_recalc $vg /$lv1
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
_add_new_data_to_mnt
# Can only be enabled while raid is top level lv (for now.)
not lvconvert --raidintegrity y $vg /${ lv1 } _${ suffix }
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#aux wait_recalc $vg/${lv1}_${suffix}_rimage_0
#aux wait_recalc $vg/${lv1}_${suffix}_rimage_1
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_add_more_data_to_mnt
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
# Test lvextend while inactive
_prepare_vg
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lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 8 $vg " $dev1 " " $dev2 "
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aux wait_recalc $vg /${ lv1 } _rimage_0
aux wait_recalc $vg /${ lv1 } _rimage_1
aux wait_recalc $vg /$lv1
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
_add_new_data_to_mnt
umount $mnt
lvchange -an $vg /$lv1
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# use two new devs for raid extend to ensure redundancy
vgextend $vg " $dev7 " " $dev8 "
lvs -a -o name,segtype,devices $vg
lvextend -l 16 $vg /$lv1 " $dev7 " " $dev8 "
lvs -a -o name,segtype,devices $vg
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lvchange -ay $vg /$lv1
mount " $DM_DEV_DIR / $vg / $lv1 " $mnt
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resize2fs " $DM_DEV_DIR / $vg / $lv1 "
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
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_add_more_data_to_mnt
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
# Test lvextend while active
_prepare_vg
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lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 8 $vg " $dev1 " " $dev2 "
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aux wait_recalc $vg /${ lv1 } _rimage_0
aux wait_recalc $vg /${ lv1 } _rimage_1
aux wait_recalc $vg /$lv1
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
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# use two new devs for raid extend to ensure redundancy
vgextend $vg " $dev7 " " $dev8 "
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lvs -a -o name,size,segtype,devices,sync_percent $vg
_add_new_data_to_mnt
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lvextend -l 16 $vg /$lv1 " $dev7 " " $dev8 "
lvs -a -o name,size,segtype,devices,sync_percent $vg
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resize2fs " $DM_DEV_DIR / $vg / $lv1 "
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
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_add_more_data_to_mnt
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
_prepare_vg
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lvcreate --type raid5 --raidintegrity y -n $lv1 -I4 -l 8 $vg " $dev1 " " $dev2 " " $dev3 "
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aux wait_recalc $vg /${ lv1 } _rimage_0
aux wait_recalc $vg /${ lv1 } _rimage_1
aux wait_recalc $vg /${ lv1 } _rimage_2
aux wait_recalc $vg /$lv1
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
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vgextend $vg " $dev7 " " $dev8 " " $dev9 "
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lvs -a -o name,size,segtype,devices,sync_percent $vg
_add_new_data_to_mnt
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lvextend -l 16 $vg /$lv1 " $dev7 " " $dev8 " " $dev9 "
lvs -a -o name,size,segtype,devices,sync_percent $vg
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resize2fs " $DM_DEV_DIR / $vg / $lv1 "
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
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_add_more_data_to_mnt
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
# Test adding image to raid1
_prepare_vg
lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 8 $vg
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aux wait_recalc $vg /${ lv1 } _rimage_0
aux wait_recalc $vg /${ lv1 } _rimage_1
aux wait_recalc $vg /$lv1
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
_add_new_data_to_mnt
# currently only allowed while raid is top level lv
not lvconvert -y -m+1 $vg /${ lv1 } _${ suffix }
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#aux wait_recalc $vg/${lv1}_${suffix}_rimage_0
#aux wait_recalc $vg/${lv1}_${suffix}_rimage_1
#aux wait_recalc $vg/${lv1}_${suffix}_rimage_2
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_add_more_data_to_mnt
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
# Test removing image from raid1
_prepare_vg
lvcreate --type raid1 -m2 --raidintegrity y -n $lv1 -l 8 $vg
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aux wait_recalc $vg /${ lv1 } _rimage_0
aux wait_recalc $vg /${ lv1 } _rimage_1
aux wait_recalc $vg /${ lv1 } _rimage_2
aux wait_recalc $vg /$lv1
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
_add_new_data_to_mnt
lvconvert -y -m-1 $vg /${ lv1 } _${ suffix }
lvs -a -o name,size,segtype,devices,sync_percent $vg
_add_more_data_to_mnt
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
# Test disallowed operations on raid+integrity
_prepare_vg
lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 8 $vg " $dev1 " " $dev2 "
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aux wait_recalc $vg /${ lv1 } _rimage_0
aux wait_recalc $vg /${ lv1 } _rimage_1
aux wait_recalc $vg /$lv1
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
_add_new_data_to_mnt
not lvconvert -y -m-1 $vg /$lv1
not lvconvert -y -m-1 $vg /${ lv1 } _${ suffix }
not lvconvert --splitmirrors 1 -n tmp -y $vg /$lv1
not lvconvert --splitmirrors 1 -n tmp -y $vg /${ lv1 } _${ suffix }
not lvconvert --splitmirrors 1 --trackchanges -y $vg /$lv1
not lvconvert --splitmirrors 1 --trackchanges -y $vg /${ lv1 } _${ suffix }
not lvchange --syncaction repair $vg /$lv1
not lvchange --syncaction repair $vg /${ lv1 } _${ suffix }
not lvreduce -L4M $vg /$lv1
not lvreduce -L4M $vg /${ lv1 } _${ suffix }
not lvcreate -s -n snap -L4M $vg /${ lv1 } _${ suffix }
# plan to enable snap on top level raid+integrity, so then
# snap+writecache+raid+integrity should be allowed.
not lvcreate -s -n snap -L4M $vg /$lv1
lvs -a -o name,size,segtype,devices
not pvmove -n $vg /$lv1 " $dev1 "
not pvmove -n $vg /${ lv1 } _${ suffix } " $dev1 "
not pvmove " $dev1 "
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
# Repeat many of the tests above using bitmap mode
_prepare_vg
lvcreate --type raid1 -m1 --raidintegrity y --raidintegritymode bitmap -n $lv1 -l 8 $vg " $dev1 " " $dev2 "
lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
aux wait_recalc $vg /${ lv1 } _${ suffix }
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_test_fs_with_read_repair " $dev1 "
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_0 | tee mismatch
not grep ' 0 ' mismatch
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } | tee mismatch
not grep ' 0 ' mismatch
lvchange -an $vg /$lv1
lvconvert --raidintegrity n $vg /${ lv1 } _${ suffix }
lvremove $vg /$lv1
vgremove -ff $vg
_prepare_vg
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lvcreate --type raid6 --raidintegrity y --raidintegritymode bitmap -n $lv1 -I4 -l 8 $vg " $dev1 " " $dev2 " " $dev3 " " $dev4 " " $dev5 "
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_2
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_3
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_4
aux wait_recalc $vg /${ lv1 } _${ suffix }
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_test_fs_with_read_repair " $dev1 " " $dev2 " " $dev3 " " $dev4 " " $dev5 "
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_0
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_1
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_2
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_3
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } _rimage_4
lvs -o integritymismatches $vg /${ lv1 } _${ suffix } | tee mismatch
not grep ' 0 ' mismatch
lvchange -an $vg /$lv1
lvconvert --raidintegrity n $vg /${ lv1 } _${ suffix }
lvremove $vg /$lv1
vgremove -ff $vg
# remove from active lv
_prepare_vg
lvcreate --type raid1 -m1 --raidintegrity y --raidintegritymode bitmap -n $lv1 -l 8 $vg " $dev1 " " $dev2 "
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aux wait_recalc $vg /${ lv1 } _rimage_0
aux wait_recalc $vg /${ lv1 } _rimage_1
aux wait_recalc $vg /$lv1
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lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
_add_new_data_to_mnt
lvconvert --raidintegrity n $vg /${ lv1 } _${ suffix }
_add_more_data_to_mnt
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
# add to active lv
_prepare_vg
lvcreate --type raid1 -m1 -n $lv1 -l 8 $vg
_add_new_data_to_mnt
lvconvert --raidintegrity y --raidintegritymode bitmap $vg /$lv1
lvcreate --type $create_type -n fast -l 4 -an $vg " $dev6 "
lvconvert -y --type $convert_type $convert_option fast $vg /$lv1
lvs -a -o name,size,segtype,devices,sync_percent $vg
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aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_0
aux wait_recalc $vg /${ lv1 } _${ suffix } _rimage_1
aux wait_recalc $vg /${ lv1 } _${ suffix }
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_add_more_data_to_mnt
_verify_data_on_mnt
umount $mnt
lvchange -an $vg /$lv1
_verify_data_on_lv
lvremove $vg /$lv1
vgremove -ff $vg
}
do_test cache-pool cache --cachepool corig
do_test linear cache --cachevol corig
do_test linear writecache --cachevol wcorig
# TODO: add do_test() variant that skips adding the cache to lv1.
# This would be equivalent to integrity.sh which could be dropped.