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git://sourceware.org/git/lvm2.git
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b2431d105e
Previous fix was invalid (after some in-place shuffling) 'dd' copied goes to 'stderr' so we need to catch all output. Grep needs to check output of tee tool. Ensure 'C' locales are in use with 'dd'.
160 lines
4.4 KiB
Bash
160 lines
4.4 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2018 Red Hat, Inc. All rights reserved.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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which mkfs.ext4 || skip
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aux have_integrity 1 5 0 || skip
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# Avoid 4K ramdisk devices on older kernels
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aux kernel_at_least 5 10 || export LVM_TEST_PREFER_BRD=0
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mnt="mnt"
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mkdir -p $mnt
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aux prepare_devs 3 40
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# Use awk instead of anoyingly long log out from printf
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#printf "%0.sA" {1..16384} >> fileA
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awk 'BEGIN { while (z++ < 16384) printf "A" }' > fileA
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awk 'BEGIN { while (z++ < 4096) printf "B" ; while (z++ < 16384) printf "b" }' > fileB
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awk 'BEGIN { while (z++ < 16384) printf "C" }' > fileC
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_prepare_vg() {
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# zero devs so we are sure to find the correct file data
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# on the underlying devs when corrupting it
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aux clear_devs "$dev1" "$dev2" "$dev3"
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vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3"
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pvs
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}
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_test1() {
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" $mnt
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cp fileA $mnt
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cp fileB $mnt
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cp fileC $mnt
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umount $mnt
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lvchange -an $vg/$lv1
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# Corrupting raid1 is simple - 1 leg needs to be modifed
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# For raid5 corrupted block can be places on any of its leg.
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for i in "$@" ; do
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aux corrupt_dev "$i" BBBBBBBBBBBBBBBBB BBBBBBBBCBBBBBBBB |& tee out
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grep -q "copied" out && break # leg found and corrupted
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done
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lvchange -ay $vg/$lv1
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# so without synchecking the array - integrity doesn't know yet about failure
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check lv_field $vg/${lv1}_rimage_0 integritymismatches "0"
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check lv_field $vg/${lv1}_rimage_1 integritymismatches "0"
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[ $# -gt 2 ] && check lv_field $vg/${lv1}_rimage_2 integritymismatches "0"
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lvchange --syncaction check $vg/$lv1
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aux wait_recalc $vg/$lv1
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# after synaction check - integrity should recognize faulty devices
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baddev=0
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for i in 0 1 2 ; do
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[ "$i" -gt 1 ] && [ $# -lt 3 ] && continue # only raid5 has rimage_2
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[ "$(get lv_field $vg/${lv1}_rimage_${i} integritymismatches)" = "0" ] || baddev=$(( baddev + 1 ))
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done
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[ "$baddev" -eq 1 ] || die "Unexpected number of integritymismatched devices ($baddev)!"
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mount "$DM_DEV_DIR/$vg/$lv1" $mnt
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cmp -b $mnt/fileA fileA
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cmp -b $mnt/fileB fileB
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cmp -b $mnt/fileC fileC
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umount $mnt
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}
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_test2() {
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
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mount "$DM_DEV_DIR/$vg/$lv1" $mnt
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cp fileA $mnt
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cp fileB $mnt
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cp fileC $mnt
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umount $mnt
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lvchange -an $vg/$lv1
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# corrupt fileB and fileC on dev1
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aux corrupt_dev "$dev1" BBBBBBBBBBBBBBBBB BBBBBBBBCBBBBBBBB
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aux corrupt_dev "$dev1" CCCCCCCCCCCCCCCCC DDDDDDDDDDDDDDDDD
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# corrupt fileA on dev2
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aux corrupt_dev "$dev2" AAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAEAA
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lvchange -ay $vg/$lv1
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check lv_field $vg/${lv1}_rimage_0 integritymismatches "0"
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check lv_field $vg/${lv1}_rimage_1 integritymismatches "0"
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lvchange --syncaction check $vg/$lv1
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aux wait_recalc $vg/$lv1
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not check lv_field $vg/${lv1}_rimage_0 integritymismatches "0"
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not check lv_field $vg/${lv1}_rimage_1 integritymismatches "0"
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mount "$DM_DEV_DIR/$vg/$lv1" $mnt
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cmp -b $mnt/fileA fileA
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cmp -b $mnt/fileB fileB
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cmp -b $mnt/fileC fileC
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umount $mnt
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}
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_prepare_vg
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lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 6 $vg "$dev1" "$dev2"
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aux wait_recalc $vg/${lv1}_rimage_0
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aux wait_recalc $vg/${lv1}_rimage_1
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aux wait_recalc $vg/$lv1
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_test1 "$dev1"
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not check $vg/$lv1 integritymismatches "0"
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lvchange -an $vg/$lv1
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lvconvert --raidintegrity n $vg/$lv1
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lvremove $vg/$lv1
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vgremove -ff $vg
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_prepare_vg
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lvcreate --type raid1 -m1 --raidintegrity y -n $lv1 -l 6 $vg "$dev1" "$dev2"
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aux wait_recalc $vg/${lv1}_rimage_0
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aux wait_recalc $vg/${lv1}_rimage_1
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aux wait_recalc $vg/$lv1
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_test2
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not check $vg/$lv1 integritymismatches "0"
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lvchange -an $vg/$lv1
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lvconvert --raidintegrity n $vg/$lv1
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lvremove $vg/$lv1
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vgremove -ff $vg
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_prepare_vg
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lvcreate --type raid5 --raidintegrity y -n $lv1 -I 4K -l 6 $vg "$dev1" "$dev2" "$dev3"
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aux wait_recalc $vg/${lv1}_rimage_0
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aux wait_recalc $vg/${lv1}_rimage_1
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aux wait_recalc $vg/${lv1}_rimage_2
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aux wait_recalc $vg/$lv1
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_test1 "$dev1" "$dev2" "$dev3"
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not check $vg/$lv1 integritymismatches "0"
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lvchange -an $vg/$lv1
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lvconvert --raidintegrity n $vg/$lv1
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lvremove $vg/$lv1
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vgremove -ff $vg
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