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lvm2/test/shell/lvm-on-md.sh
Zdenek Kabelac 4ff472b907 tests: drop call of wipefs
wipefs might not be present on test system.
Devices are also already zeroed by cleanup_md_dev
(which 'fakes' missing wipefs eventually)
2019-05-04 19:11:00 +02:00

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4.5 KiB
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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
RUNDIR="/run"
test -d "$RUNDIR" || RUNDIR="/var/run"
PVS_ONLINE_DIR="$RUNDIR/lvm/pvs_online"
VGS_ONLINE_DIR="$RUNDIR/lvm/vgs_online"
_clear_online_files() {
# wait till udev is finished
aux udev_wait
rm -f "$PVS_ONLINE_DIR"/*
rm -f "$VGS_ONLINE_DIR"/*
}
. lib/inittest
test -f /proc/mdstat && grep -q raid1 /proc/mdstat || \
modprobe raid1 || skip
aux lvmconf 'devices/md_component_detection = 1'
# This stops lvm from asking udev if a dev is an md component.
# LVM will ask udev if a dev is an md component, but we don't
# want to rely on that ability in this test.
aux lvmconf 'devices/obtain_device_list_from_udev = 0'
aux extend_filter_LVMTEST "a|/dev/md|"
aux prepare_devs 2
# create 2 disk MD raid1 array
# by default using metadata format 1.0 with data at the end of device
aux prepare_md_dev 1 64 2 "$dev1" "$dev2"
cat /proc/mdstat
mddev=$(< MD_DEV)
pvdev=$(< MD_DEV_PV)
vgcreate $vg "$mddev"
lvcreate -n $lv1 -l 2 $vg
lvcreate -n $lv2 -l 2 -an $vg
lvchange -ay $vg/$lv2
check lv_field $vg/$lv1 lv_active "active"
# lvm does not show md components as PVs
pvs "$mddev"
not pvs "$dev1"
not pvs "$dev2"
sleep 1
vgchange -an $vg
sleep 1
# When the md device is started, lvm will see that and know to
# scan for md components, so stop the md device to remove this
# advantage so we will test the fallback detection.
mdadm --stop "$mddev"
aux udev_wait
# with md superblock 1.0 this pvs will report duplicates
# for the two md legs since the md device itself is not
# started
pvs 2>&1 |tee out
cat out
grep "prefers device" out
# should not activate from the md legs
not vgchange -ay $vg
# should not show an active lv
rm out
lvs -o active $vg |tee out || true
not grep "active" out
# should not allow updating vg
not lvcreate -l1 $vg
# should not activate from the md legs
_clear_online_files
pvscan --cache -aay "$dev1"
pvscan --cache -aay "$dev2"
# should not show an active lv
rm out
lvs -o active $vg |tee out || true
not grep "active" out
# start the md dev
mdadm --assemble "$mddev" "$dev1" "$dev2"
aux udev_wait
# Now that the md dev is online, pvs can see it and
# ignore the two legs, so there's no duplicate warning
pvs 2>&1 |tee out
cat out
not grep "prefers device" out
vgchange -ay $vg 2>&1 |tee out
cat out
not grep "prefers device" out
check lv_field $vg/$lv1 lv_active "active"
vgchange -an $vg
aux udev_wait
vgremove -f $vg
aux cleanup_md_dev
# create 2 disk MD raid0 array
# by default using metadata format 1.0 with data at the end of device
# When a raid0 md array is stopped, the components will not look like
# duplicate PVs as they do with raid1.
aux prepare_md_dev 0 64 2 "$dev1" "$dev2"
cat /proc/mdstat
mddev=$(< MD_DEV)
pvdev=$(< MD_DEV_PV)
vgcreate $vg "$mddev"
lvs $vg
lvcreate -n $lv1 -l 2 $vg
lvcreate -n $lv2 -l 2 -an $vg
lvchange -ay $vg/$lv2
check lv_field $vg/$lv1 lv_active "active"
# lvm does not show md components as PVs
pvs "$mddev"
not pvs "$dev1"
not pvs "$dev2"
sleep 1
vgchange -an $vg
sleep 1
# When the md device is started, lvm will see that and know to
# scan for md components, so stop the md device to remove this
# advantage so we will test the fallback detection.
mdadm --stop "$mddev"
aux udev_wait
pvs 2>&1 |tee pvs.out
# should not activate from the md legs
not vgchange -ay $vg
# should not show an active lv
rm out
lvs -o active $vg |tee out || true
not grep "active" out
# should not allow updating vg
not lvcreate -l1 $vg
# should not activate from the md legs
_clear_online_files
pvscan --cache -aay "$dev1"
pvscan --cache -aay "$dev2"
# should not show an active lv
rm out
lvs -o active $vg |tee out || true
not grep "active" out
# start the md dev
mdadm --assemble "$mddev" "$dev1" "$dev2"
aux udev_wait
# Now that the md dev is online, pvs can see it and
# ignore the two legs, so there's no duplicate warning
pvs 2>&1 |tee out
cat out
not grep "prefers device" out
vgchange -ay $vg 2>&1 |tee out
cat out
not grep "prefers device" out
check lv_field $vg/$lv1 lv_active "active"
vgchange -an $vg
aux udev_wait
vgremove -f $vg
aux cleanup_md_dev