mirror of
git://sourceware.org/git/lvm2.git
synced 2025-01-09 01:18:39 +03:00
48872b0369
When adding integrity to an active LV, avoid choosing an integrity block size that would result in increasing the logical block size of the LV.
187 lines
4.8 KiB
Bash
187 lines
4.8 KiB
Bash
#!/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 5 0 || skip
|
|
which mkfs.xfs || skip
|
|
|
|
mnt="mnt"
|
|
mkdir -p $mnt
|
|
|
|
# raid1 LV needs to be extended to 512MB to test imeta being exended
|
|
aux prepare_devs 4 600
|
|
|
|
printf "%0.sA" {1..16384} >> fileA
|
|
printf "%0.sB" {1..16384} >> fileB
|
|
printf "%0.sC" {1..16384} >> 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() {
|
|
vgcreate $SHARED $vg "$dev1" "$dev2"
|
|
pvs
|
|
}
|
|
|
|
_add_data_to_lv() {
|
|
mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1"
|
|
|
|
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
|
|
|
|
umount $mnt
|
|
}
|
|
|
|
_verify_data_on_lv() {
|
|
mount "$DM_DEV_DIR/$vg/$lv1" $mnt
|
|
|
|
diff randA $mnt/randA
|
|
diff randB $mnt/randB
|
|
diff randC $mnt/randC
|
|
diff fileA $mnt/1/fileA
|
|
diff fileB $mnt/1/fileB
|
|
diff fileC $mnt/1/fileC
|
|
diff fileA $mnt/2/fileA
|
|
diff fileB $mnt/2/fileB
|
|
diff fileC $mnt/2/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
|
|
}
|
|
|
|
# lvextend to 512MB is needed for the imeta LV to
|
|
# be extended from 4MB to 8MB.
|
|
|
|
_prepare_vg
|
|
lvcreate --type raid1 -m1 -n $lv1 -l 8 $vg
|
|
lvchange -an $vg/$lv1
|
|
lvchange -ay $vg/$lv1
|
|
_add_data_to_lv
|
|
# lv needs to be inactive when adding integrity to increase LBS from 512 and get a ribs of 4k
|
|
lvchange -an $vg/$lv1
|
|
lvconvert --raidintegrity y $vg/$lv1
|
|
lvchange -ay $vg/$lv1
|
|
_wait_recalc $vg/${lv1}_rimage_0
|
|
_wait_recalc $vg/${lv1}_rimage_1
|
|
lvs -a -o+devices $vg
|
|
_verify_data_on_lv
|
|
lvchange -an $vg/$lv1
|
|
lvextend -L 512M $vg/$lv1
|
|
lvs -a -o+devices $vg
|
|
lvchange -ay $vg/$lv1
|
|
_verify_data_on_lv
|
|
_wait_recalc $vg/${lv1}_rimage_0
|
|
_wait_recalc $vg/${lv1}_rimage_1
|
|
lvs -a -o+devices $vg
|
|
check lv_field $vg/${lv1}_rimage_0_imeta size "8.00m"
|
|
check lv_field $vg/${lv1}_rimage_1_imeta size "8.00m"
|
|
|
|
# provide space to extend the images onto new devs
|
|
vgextend $vg "$dev3" "$dev4"
|
|
|
|
# extending the images is possible using dev3,dev4
|
|
# but extending imeta on the existing dev1,dev2 fails
|
|
not lvextend -L +512M $vg/$lv1
|
|
|
|
# removing integrity will permit extending the images
|
|
# using dev3,dev4 since imeta limitation is gone
|
|
lvconvert --raidintegrity n $vg/$lv1
|
|
lvextend -L +512M $vg/$lv1
|
|
lvs -a -o+devices $vg
|
|
|
|
# adding integrity again will allocate new 12MB imeta LVs
|
|
# on dev3,dev4
|
|
lvconvert --raidintegrity y $vg/$lv1
|
|
_wait_recalc $vg/${lv1}_rimage_0
|
|
_wait_recalc $vg/${lv1}_rimage_1
|
|
lvs -a -o+devices $vg
|
|
check lv_field $vg/${lv1}_rimage_0_imeta size "12.00m"
|
|
check lv_field $vg/${lv1}_rimage_1_imeta size "12.00m"
|
|
|
|
lvchange -an $vg/$lv1
|
|
lvremove $vg/$lv1
|
|
|
|
# this succeeds because dev1,dev2 can hold rmeta+rimage
|
|
lvcreate --type raid1 -n $lv1 -L 592M -an $vg "$dev1" "$dev2"
|
|
|
|
# this fails because dev1,dev2 can hold rmeta+rimage, but not imeta
|
|
# and we require imeta to be on same devs as rmeta/rimeta
|
|
not lvcreate --type raid1 --raidintegrity y -n $lv1 -L 592M -an $vg "$dev1" "$dev2"
|
|
lvs -a -o+devices $vg
|
|
lvremove $vg/$lv1
|
|
|
|
# this can allocate from more devs so there's enough space for imeta to
|
|
# be allocated in the vg, but lvcreate fails because rmeta+rimage are
|
|
# allocated from dev1,dev2, we restrict imeta to being allocated on the
|
|
# same devs as rmeta/rimage, and dev1,dev2 can't fit imeta.
|
|
not lvcreate --type raid1 --raidintegrity y -n $lv1 -L 592M -an $vg
|
|
lvs -a -o+devices $vg
|
|
|
|
# counterintuitively, increasing the size will allow lvcreate to succeed
|
|
# because rmeta+rimage are pushed to being allocated on dev1,dev2,dev3,dev4
|
|
# which means imeta is now free to be allocated from dev3,dev4 which have
|
|
# plenty of space
|
|
lvcreate --type raid1 --raidintegrity y -n $lv1 -L 600M -an $vg
|
|
lvs -a -o+devices $vg
|
|
|
|
vgremove -ff $vg
|
|
|