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Diffstat (limited to 'test/shell/integrity.sh')
| -rw-r--r-- | test/shell/integrity.sh | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/test/shell/integrity.sh b/test/shell/integrity.sh new file mode 100644 index 000000000..c3da265d3 --- /dev/null +++ b/test/shell/integrity.sh @@ -0,0 +1,192 @@ +#!/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 + +# Test writecache usage + +SKIP_WITH_LVMPOLLD=1 + +. lib/inittest + +# aux have_integrity 1 0 0 || skip +which mkfs.xfs || skip + +mnt="mnt" +mkdir -p $mnt +aux prepare_devs 5 64 + +for i in `seq 1 16384`; do echo -n "A" >> fileA; done +for i in `seq 1 16384`; do echo -n "B" >> fileB; done +for i in `seq 1 16384`; do echo -n "C" >> fileC; done + +_prepare_vg() { + # zero devs so we are sure to find the correct file data + # on the underlying devs when corrupting it + dd if=/dev/zero of="$dev1" || true + dd if=/dev/zero of="$dev2" || true + dd if=/dev/zero of="$dev3" || true + dd if=/dev/zero of="$dev4" || true + dd if=/dev/zero of="$dev5" || true + vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4" "$dev5" +} + +_test_fs_with_error() { + mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1" + + mount "$DM_DEV_DIR/$vg/$lv1" $mnt + + # add original data + cp fileA $mnt + cp fileB $mnt + cp fileC $mnt + + umount $mnt + lvchange -an $vg/$lv1 + + # corrupt the original data on the underying dev + # flip one bit in fileB, changing a 0x42 to 0x43 + # the bit is changed in the last 4096 byte block + # of the file, so when reading back the file we + # will get the first three 4096 byte blocks, for + # a total of 12288 bytes before getting an error + # on the last 4096 byte block. + xxd "$dev1" > dev1.txt + tac dev1.txt > dev1.rev + sed -e '0,/4242 4242 4242 4242 4242 4242 4242 4242/ s/4242 4242 4242 4242 4242 4242 4242 4242/4242 4242 4242 4242 4242 4242 4242 4243/' dev1.rev > dev1.rev.bad + tac dev1.rev.bad > dev1.bad + xxd -r dev1.bad > "$dev1" + rm dev1.txt dev1.rev dev1.rev.bad dev1.bad + + lvchange -ay $vg/$lv1 + mount "$DM_DEV_DIR/$vg/$lv1" $mnt + + # read complete fileA which was not corrupted + dd if=$mnt/fileA of=tmp bs=1k + ls -l tmp + stat -c %s tmp + diff fileA tmp + rm tmp + + # read partial fileB which was corrupted + not dd if=$mnt/fileB of=tmp bs=1k + ls -l tmp + stat -c %s tmp | grep 12288 + not diff fileB tmp + rm tmp + + umount $mnt +} + +_test_fs_with_raid() { + mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1" + + mount "$DM_DEV_DIR/$vg/$lv1" $mnt + + # add original data + cp fileA $mnt + cp fileB $mnt + cp fileC $mnt + + umount $mnt + lvchange -an $vg/$lv1 + + xxd "$dev1" > dev1.txt + tac dev1.txt > dev1.rev + sed -e '0,/4242 4242 4242 4242 4242 4242 4242 4242/ s/4242 4242 4242 4242 4242 4242 4242 4242/4242 4242 4242 4242 4242 4242 4242 4243/' dev1.rev > dev1.rev.bad + tac dev1.rev.bad > dev1.bad + xxd -r dev1.bad > "$dev1" + rm dev1.txt dev1.rev dev1.rev.bad dev1.bad + + lvchange -ay $vg/$lv1 + mount "$DM_DEV_DIR/$vg/$lv1" $mnt + + # read complete fileA which was not corrupted + dd if=$mnt/fileA of=tmp bs=1k + ls -l tmp + stat -c %s tmp | grep 16384 + diff fileA tmp + rm tmp + + # read complete fileB, corruption is corrected by raid + dd if=$mnt/fileB of=tmp bs=1k + ls -l tmp + stat -c %s tmp | grep 16384 + diff fileB tmp + rm tmp + + umount $mnt +} + +_prepare_vg +lvcreate --integrity y -n $lv1 -l 8 $vg "$dev1" +_test_fs_with_error +lvchange -an $vg/$lv1 +lvconvert --integrity n $vg/$lv1 +lvremove $vg/$lv1 +vgremove -ff $vg + +_prepare_vg +lvcreate -y --integrity internal -n $lv1 -l 8 $vg "$dev1" +_test_fs_with_error +lvchange -an $vg/$lv1 +not lvconvert --integrity n $vg/$lv1 +lvremove $vg/$lv1 +vgremove -ff $vg + +_prepare_vg +lvcreate -an -n meta -L4M $vg "$dev2" +lvcreate --integrity y --integritymetadata meta -n $lv1 -l 8 $vg "$dev1" +_test_fs_with_error +lvchange -an $vg/$lv1 +lvconvert --integrity n $vg/$lv1 +lvremove $vg/$lv1 +vgremove -ff $vg + +_prepare_vg +lvcreate --type raid1 -m1 --integrity y -n $lv1 -l 8 $vg +_test_fs_with_raid +lvchange -an $vg/$lv1 +lvconvert --integrity n $vg/$lv1 +lvremove $vg/$lv1 +vgremove -ff $vg + +_prepare_vg +lvcreate --type raid1 -m2 --integrity y -n $lv1 -l 8 $vg +_test_fs_with_raid +lvchange -an $vg/$lv1 +lvconvert --integrity n $vg/$lv1 +lvremove $vg/$lv1 +vgremove -ff $vg + +_prepare_vg +lvcreate --type raid4 --integrity y -n $lv1 -l 8 $vg +_test_fs_with_raid +lvchange -an $vg/$lv1 +lvconvert --integrity n $vg/$lv1 +lvremove $vg/$lv1 +vgremove -ff $vg + +_prepare_vg +lvcreate --type raid5 --integrity y -n $lv1 -l 8 $vg +_test_fs_with_raid +lvchange -an $vg/$lv1 +lvconvert --integrity n $vg/$lv1 +lvremove $vg/$lv1 +vgremove -ff $vg + +_prepare_vg +lvcreate --type raid6 --integrity y -n $lv1 -l 8 $vg +_test_fs_with_raid +lvchange -an $vg/$lv1 +lvconvert --integrity n $vg/$lv1 +lvremove $vg/$lv1 +vgremove -ff $vg + |