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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
which mkfs.xfs || skip
which xfs_growfs || skip
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 $mnt
aux prepare_devs 3 40
# Use awk instead of anoyingly long log out from printf
#printf "%0.sA" {1..16384} >> fileA
awk 'BEGIN { while (z++ < 16384) printf "A" }' > fileA
awk 'BEGIN { while (z++ < 16384) printf "B" }' > fileB
awk 'BEGIN { while (z++ < 16384) printf "C" }' > fileC
_prepare_vg() {
# zero devs so we are sure to find the correct file data
# on the underlying devs when corrupting it
dd if=/dev/zero of="$dev1" bs=1M oflag=direct || true
dd if=/dev/zero of="$dev2" bs=1M oflag=direct || true
dd if=/dev/zero of="$dev3" bs=1M oflag=direct || true
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
pvs
}
_test1() {
mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lv1"
mount "$DM_DEV_DIR/$vg/$lv1" $mnt
# we don't want fileA to be located too early in the fs,
# otherwise activating the LV will trigger the corruption
# to be found and corrected, leaving nothing for syncaction
# to find and correct.
dd if=/dev/urandom of=$mnt/rand16M bs=1M count=16
cp fileA $mnt
cp fileB $mnt
cp fileC $mnt
umount $mnt
lvchange -an $vg/$lv1
xxd "$dev1" > dev1.txt
# corrupt fileB
sed -e 's/4242 4242 4242 4242 4242 4242 4242 4242/4242 4242 4242 4242 4242 4242 4242 4243/' dev1.txt > dev1.bad
rm -f dev1.txt
xxd -r dev1.bad > "$dev1"
rm -f dev1.bad
lvchange -ay $vg/$lv1
lvs -o integritymismatches $vg/${lv1}_rimage_0 |tee mismatch
grep 0 mismatch
lvchange --syncaction check $vg/$lv1
_wait_recalc $vg/$lv1
lvs -o integritymismatches $vg/${lv1}_rimage_0 |tee mismatch
not grep 0 mismatch
mount "$DM_DEV_DIR/$vg/$lv1" $mnt
cmp -b $mnt/fileA fileA
cmp -b $mnt/fileB fileB
cmp -b $mnt/fileC fileC
umount $mnt
}
_test2() {
mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lv1"
mount "$DM_DEV_DIR/$vg/$lv1" $mnt
# we don't want fileA to be located too early in the fs,
# otherwise activating the LV will trigger the corruption
# to be found and corrected, leaving nothing for syncaction
# to find and correct.
dd if=/dev/urandom of=$mnt/rand16M bs=1M count=16
cp fileA $mnt
cp fileB $mnt
cp fileC $mnt
umount $mnt
lvchange -an $vg/$lv1
# corrupt fileB and fileC on dev1
xxd "$dev1" > dev1.txt
sed -e 's/4242 4242 4242 4242 4242 4242 4242 4242/4242 4242 4242 4242 4242 4242 4242 4243/' dev1.txt > dev1.bad
sed -e 's/4343 4343 4343 4343 4343 4343 4343 4343/4444 4444 4444 4444 4444 4444 4444 4444/' dev1.txt > dev1.bad
rm -f dev1.txt
xxd -r dev1.bad > "$dev1"
rm -f dev1.bad
# corrupt fileA on dev2
xxd "$dev2" > dev2.txt
sed -e 's/4141 4141 4141 4141 4141 4141 4141 4141/4141 4141 4141 4141 4141 4141 4145 4141/' dev2.txt > dev2.bad
rm -f dev2.txt
xxd -r dev2.bad > "$dev2"
rm -f dev2.bad
lvchange -ay $vg/$lv1
lvs -o integritymismatches $vg/${lv1}_rimage_0 |tee mismatch
grep 0 mismatch
lvs -o integritymismatches $vg/${lv1}_rimage_1 |tee mismatch
grep 0 mismatch
lvchange --syncaction check $vg/$lv1
_wait_recalc $vg/$lv1
lvs -o integritymismatches $vg/${lv1}_rimage_0 |tee mismatch
not grep 0 mismatch
lvs -o integritymismatches $vg/${lv1}_rimage_1 |tee mismatch
not grep 0 mismatch
mount "$DM_DEV_DIR/$vg/$lv1" $mnt
cmp -b $mnt/fileA fileA
cmp -b $mnt/fileB fileB
cmp -b $mnt/fileC fileC
umount $mnt
}
_sync_percent() {
local checklv=$1
get lv_field "$checklv" sync_percent | cut -d. -f1
}
_wait_recalc() {
local checklv=$1
for i in $(seq 1 10) ; do
sync=$(_sync_percent "$checklv")
echo "sync_percent is $sync"
if test "$sync" = "100"; then
return
fi
sleep 1
done
# TODO: There is some strange bug, first leg of RAID with integrity
# enabled never gets in sync. I saw this in BB, but not when executing
# the commands manually
if test -z "$sync"; then
echo "TEST\ WARNING: Resync of dm-integrity device '$checklv' failed"
dmsetup status "$DM_DEV_DIR/mapper/${checklv/\//-}"
exit
fi
echo "timeout waiting for recalc"
return 1
}
_prepare_vg
lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 6 $vg "$dev1" "$dev2"
_wait_recalc $vg/${lv1}_rimage_0
_wait_recalc $vg/${lv1}_rimage_1
_wait_recalc $vg/$lv1
_test1
lvs -o integritymismatches $vg/$lv1 |tee mismatch
not grep 0 mismatch
lvchange -an $vg/$lv1
lvconvert --raidintegrity n $vg/$lv1
lvremove $vg/$lv1
vgremove -ff $vg
_prepare_vg
lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 6 $vg "$dev1" "$dev2"
_wait_recalc $vg/${lv1}_rimage_0
_wait_recalc $vg/${lv1}_rimage_1
_wait_recalc $vg/$lv1
_test2
lvs -o integritymismatches $vg/$lv1 |tee mismatch
not grep 0 mismatch
lvchange -an $vg/$lv1
lvconvert --raidintegrity n $vg/$lv1
lvremove $vg/$lv1
vgremove -ff $vg
_prepare_vg
lvcreate --type raid5 --raidintegrity y -n $lv1 -l 6 $vg "$dev1" "$dev2" "$dev3"
_wait_recalc $vg/${lv1}_rimage_0
_wait_recalc $vg/${lv1}_rimage_1
_wait_recalc $vg/${lv1}_rimage_2
_wait_recalc $vg/$lv1
_test1
lvs -o integritymismatches $vg/$lv1 |tee mismatch
not grep 0 mismatch
lvchange -an $vg/$lv1
lvconvert --raidintegrity n $vg/$lv1
lvremove $vg/$lv1
vgremove -ff $vg
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