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#!/usr/bin/env bash
# Copyright (C) 2012 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
# . different PV/VG's that happen to have the same PVID
# . a single PV/VG cloned to another device
# . dm wrapper around a PV
# . a single PV/VG cloned plus a dm wrapper (two separate dups of a PV)
SKIP_WITH_LVMPOLLD = 1
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SKIP_WITH_LVMLOCKD = 1
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RUNDIR = "/run"
test -d " $RUNDIR " || RUNDIR = "/var/run"
PVS_ONLINE_DIR = " $RUNDIR /lvm/pvs_online "
VGS_ONLINE_DIR = " $RUNDIR /lvm/vgs_online "
HINTS = " $RUNDIR /lvm/hints "
_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
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mddev = "/dev/md33"
not grep $mddev /proc/mdstat || skip
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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'
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aux extend_filter_md "a|/dev/md|"
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aux prepare_devs 4
# Create an unused PV so that there is at least one PV in the hints
# when the MD dev is stopped. If there are no PVs, the hints are
# empty, and the code falls back to scanning all, and we do not end
# up testing the code with hints actively used.
pvcreate " $dev3 "
## Test variations:
# PV on md raid1|raid0, md_component_checks auto|start, mddev start|stopped,
# one leg disabled when mddev is stopped.
##########################################
# PV on an md raid1 device, auto+started
# md_component_checks: auto (not start)
# mddev: started (not stopped)
#
aux lvmconf 'devices/md_component_checks = "auto"'
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mdadm --create --metadata= 1.0 " $mddev " --level 1 --chunk= 64 --raid-devices= 2 " $dev1 " " $dev2 "
aux wait_md_create " $mddev "
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pvcreate " $mddev "
PVIDMD = ` pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}' `
echo $PVIDMD
vgcreate $vg " $mddev "
lvcreate -n $lv1 -l 2 -an $vg
# pvs shows only the md dev as PV
pvs " $mddev "
not pvs " $dev1 "
not pvs " $dev2 "
pvs > out
grep $mddev out
not grep " $dev1 " out
not grep " $dev2 " out
grep " $mddev " $HINTS
not grep " $dev1 " $HINTS
not grep " $dev2 " $HINTS
# normal activation works
lvchange -ay $vg /$lv1
lvs -o active $vg | tee out || true
grep "active" out
vgchange -an $vg
# pvscan activation all works
_clear_online_files
pvscan --cache -aay
ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
lvs -o active $vg | tee out || true
grep "active" out
vgchange -an $vg
# pvscan activation from mddev works
_clear_online_files
pvscan --cache -aay " $mddev "
ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
lvs -o active $vg | tee out || true
grep "active" out
vgchange -an $vg
# pvscan activation from md components does nothing
_clear_online_files
pvscan --cache -aay " $dev1 "
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
pvscan --cache -aay " $dev2 "
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
lvs -o active $vg | tee out || true
not grep "active" out
vgchange -an $vg
vgremove -f $vg
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mdadm --stop " $mddev "
aux udev_wait
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aux wipefs_a " $dev1 "
aux wipefs_a " $dev2 "
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aux udev_wait
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##########################################
# PV on an md raid1 device, start+started
# md_component_checks: start (not auto)
# mddev: started (not stopped)
#
aux lvmconf 'devices/md_component_checks = "start"'
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mdadm --create --metadata= 1.0 " $mddev " --level 1 --chunk= 64 --raid-devices= 2 " $dev1 " " $dev2 "
aux wait_md_create " $mddev "
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pvcreate " $mddev "
PVIDMD = ` pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}' `
echo $PVIDMD
vgcreate $vg " $mddev "
lvcreate -n $lv1 -l 2 -an $vg
# pvs shows only the md dev as PV
pvs " $mddev "
not pvs " $dev1 "
not pvs " $dev2 "
pvs > out
grep $mddev out
not grep " $dev1 " out
not grep " $dev2 " out
# N.B. in this case hints are disabled for duplicate pvs seen by scan
# it would be preferrable if this didn't happen as in auto mode, but it's ok.
# grep "$mddev" $HINTS
not grep " $dev1 " $HINTS
not grep " $dev2 " $HINTS
# normal activation works
lvchange -ay $vg /$lv1
lvs -o active $vg | tee out || true
grep "active" out
vgchange -an $vg
# pvscan activation all works
_clear_online_files
pvscan --cache -aay
ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
lvs -o active $vg | tee out || true
grep "active" out
vgchange -an $vg
# pvscan activation from mddev works
_clear_online_files
pvscan --cache -aay " $mddev "
ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
lvs -o active $vg | tee out || true
grep "active" out
vgchange -an $vg
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# The dev name and device_hint don't match so pvscan
# skips quick activation and scans all devs during
# activation. This means it sees the component and
# the mddev as duplicates and chooses to use the mddev
# for activation.
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_clear_online_files
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pvscan --cache -aay " $dev1 "
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ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
lvs -o active $vg | tee out || true
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grep "active" out
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# pvscan activation from mddev first, then try from component which fails
_clear_online_files
pvscan --cache -aay " $mddev "
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ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
lvs -o active $vg | tee out || true
grep "active" out
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not pvscan --cache -aay " $dev1 "
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vgchange -an $vg
vgremove -f $vg
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mdadm --stop " $mddev "
aux udev_wait
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aux wipefs_a " $dev1 "
aux wipefs_a " $dev2 "
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aux udev_wait
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##########################################
# PV on an md raid1 device, auto+stopped
# md_component_checks: auto (not start)
# mddev: stopped (not started)
#
aux lvmconf 'devices/md_component_checks = "auto"'
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mdadm --create --metadata= 1.0 " $mddev " --level 1 --chunk= 64 --raid-devices= 2 " $dev1 " " $dev2 "
aux wait_md_create " $mddev "
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pvcreate " $mddev "
PVIDMD = ` pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}' `
echo $PVIDMD
vgcreate $vg " $mddev "
lvcreate -n $lv1 -l 2 -an $vg
mdadm --stop " $mddev "
cat /proc/mdstat
# pvs does not show the PV
not pvs " $mddev "
not pvs " $dev1 "
not pvs " $dev2 "
pvs > out
not grep $mddev out
not grep " $dev1 " out
not grep " $dev2 " out
pvscan --cache
not grep " $mddev " $HINTS
not grep " $dev1 " $HINTS
not grep " $dev2 " $HINTS
# the vg is not seen, normal activation does nothing
not lvchange -ay $vg /$lv1
not lvs $vg
# pvscan activation all does nothing
_clear_online_files
pvscan --cache -aay
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
# pvscan activation from md components does nothing
_clear_online_files
pvscan --cache -aay " $dev1 "
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
pvscan --cache -aay " $dev2 "
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
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aux wipefs_a " $dev1 "
aux wipefs_a " $dev2 "
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aux udev_wait
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##########################################
# PV on an md raid1 device, start+stopped
# md_component_checks: start (not auto)
# mddev: stopped (not started)
#
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# N.B. This test case is just characterizing the current behavior, even
# though the behavior it's testing for is not what we'd want to happen.
# In this scenario, we have disabled/avoided everything that would
# lead lvm to discover that dev1 is an md component, so dev1 is used
# as the PV. Multiple default settings need to be changed to get to
# this unwanted behavior (md_component_checks,
# obtain_device_list_from_udev), and other conditions also
# need to be true (md device stopped).
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aux lvmconf 'devices/md_component_checks = "start"'
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mdadm --create --metadata= 1.0 " $mddev " --level 1 --chunk= 64 --raid-devices= 2 " $dev1 " " $dev2 "
aux wait_md_create " $mddev "
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pvcreate " $mddev "
PVIDMD = ` pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}' `
echo $PVIDMD
vgcreate $vg " $mddev "
lvcreate -n $lv1 -l 2 -an $vg
mdadm --stop " $mddev "
cat /proc/mdstat
# pvs does not show the PV
not pvs " $mddev "
not pvs " $dev1 "
not pvs " $dev2 "
pvs > out
not grep $mddev out
not grep " $dev1 " out
not grep " $dev2 " out
pvscan --cache
not grep " $mddev " $HINTS
not grep " $dev1 " $HINTS
not grep " $dev2 " $HINTS
# the vg is not seen, normal activation does nothing
not lvchange -ay $vg /$lv1
not lvs $vg
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# pvscan activation all does nothing because both legs are
# seen as duplicates which triggers md component check which
# eliminates the devs
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_clear_online_files
pvscan --cache -aay
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
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# component dev name does not match device_hint in metadata so
# quick activation is skipped and activation scans all devs.
# this leads it to see both components as duplicates which
# triggers full md check which means we see both devs are
# md components and drop them, leaving no remaining devs
# on which this vg is seen.
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_clear_online_files
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not pvscan --cache -aay " $dev1 "
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ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
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aux wipefs_a " $dev1 " || true
aux wipefs_a " $dev2 " || true
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##########################################
# PV on an md raid1 device, start+stopped
# md_component_checks: start (not auto)
# mddev: stopped (not started)
# only one raid image online
#
# N.B. This test case is just characterizing the current behavior, even
# though the behavior it's testing for is not what we'd want to happen.
# In this scenario, we have disabled/avoided everything that would
# lead lvm to discover that dev1 is an md component, so dev1 is used
# as the PV. Multiple default settings need to be changed to get to
# this unwanted behavior (md_component_checks,
# obtain_device_list_from_udev), and multiple other conditions also
# need to be true (md device stopped, only one leg visible).
aux lvmconf 'devices/md_component_checks = "start"'
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mdadm --create --metadata= 1.0 " $mddev " --level 1 --chunk= 64 --raid-devices= 2 " $dev1 " " $dev2 "
aux wait_md_create " $mddev "
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pvcreate " $mddev "
PVIDMD = ` pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}' `
echo $PVIDMD
vgcreate $vg " $mddev "
lvcreate -n $lv1 -l 2 -an $vg
mdadm --stop " $mddev "
cat /proc/mdstat
# disable one leg of the md device, with raid1 this means duplicates
# will not be seen for the legs. duplicate handling can trigger
# md component detection, so no duplicates means md components may
# not be detected as easily.
aux disable_dev " $dev2 "
# pvs does not show the PV
not pvs " $mddev "
pvs " $dev1 "
not pvs " $dev2 "
pvs > out
not grep $mddev out
grep " $dev1 " out
not grep " $dev2 " out
pvscan --cache
not grep " $mddev " $HINTS
grep " $dev1 " $HINTS
not grep " $dev2 " $HINTS
lvchange -ay $vg /$lv1
lvs $vg
vgchange -an $vg
_clear_online_files
pvscan --cache -aay
ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
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# N.B. not good to activate from component, but result of "start" setting
lvs -o active $vg | tee out || true
grep "active" out
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vgchange -an $vg
_clear_online_files
pvscan --cache -aay " $dev1 "
ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
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# N.B. not good to activate from component, but result of "start" setting
lvs -o active $vg | tee out || true
grep "active" out
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vgchange -an $vg
aux enable_dev " $dev2 "
aux udev_wait
cat /proc/mdstat
# for some reason enabling dev2 starts an odd md dev
mdadm --stop " $mddev " || true
cat /proc/mdstat
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aux wipefs_a " $dev1 " || true
aux wipefs_a " $dev2 " || true
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##########################################
# PV on an md raid1 device, auto+stopped
# md_component_checks: auto (not start)
# mddev: stopped (not started)
# only one raid image online
#
aux lvmconf 'devices/md_component_checks = "auto"'
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mdadm --create --metadata= 1.0 " $mddev " --level 1 --chunk= 64 --raid-devices= 2 " $dev1 " " $dev2 "
aux wait_md_create " $mddev "
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pvcreate " $mddev "
PVIDMD = ` pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}' `
echo $PVIDMD
vgcreate $vg " $mddev "
lvcreate -n $lv1 -l 2 -an $vg
mdadm --stop " $mddev "
cat /proc/mdstat
# disable one leg
aux disable_dev " $dev2 "
# pvs does not show the PV
not pvs " $mddev "
not pvs " $dev1 "
not pvs " $dev2 "
pvs > out
not grep $mddev out
not grep " $dev1 " out
not grep " $dev2 " out
pvscan --cache
not grep " $mddev " $HINTS
not grep " $dev1 " $HINTS
not grep " $dev2 " $HINTS
# the vg is not seen, normal activation does nothing
not lvchange -ay $vg /$lv1
not lvs $vg
# pvscan activation all does nothing
_clear_online_files
pvscan --cache -aay
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
# pvscan activation from md components does nothing
_clear_online_files
pvscan --cache -aay " $dev1 "
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
pvscan --cache -aay " $dev2 "
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
aux enable_dev " $dev2 "
aux udev_wait
cat /proc/mdstat
# for some reason enabling dev2 starts an odd md dev
mdadm --stop " $mddev " || true
cat /proc/mdstat
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aux wipefs_a " $dev1 " || true
aux wipefs_a " $dev2 " || true
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##########################################
# PV on an md raid1 device, auto+stopped
# md_component_checks: auto (not start)
# mddev: stopped (not started)
# three raid images
#
aux lvmconf 'devices/md_component_checks = "auto"'
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mdadm --create --metadata= 1.0 " $mddev " --level 1 --chunk= 64 --raid-devices= 3 " $dev1 " " $dev2 " " $dev4 "
aux wait_md_create " $mddev "
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pvcreate " $mddev "
PVIDMD = ` pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}' `
echo $PVIDMD
vgcreate $vg " $mddev "
lvcreate -n $lv1 -l 2 -an $vg
mdadm --stop " $mddev "
cat /proc/mdstat
# pvs does not show the PV
not pvs " $mddev "
not pvs " $dev1 "
not pvs " $dev2 "
not pvs " $dev4 "
pvs > out
not grep $mddev out
not grep " $dev1 " out
not grep " $dev2 " out
not grep " $dev4 " out
pvscan --cache
not grep " $mddev " $HINTS
not grep " $dev1 " $HINTS
not grep " $dev2 " $HINTS
not grep " $dev4 " $HINTS
# the vg is not seen, normal activation does nothing
not lvchange -ay $vg /$lv1
not lvs $vg
# pvscan activation all does nothing
_clear_online_files
pvscan --cache -aay
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
# pvscan activation from md components does nothing
_clear_online_files
pvscan --cache -aay " $dev1 "
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
pvscan --cache -aay " $dev2 "
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
pvscan --cache -aay " $dev4 "
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
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aux wipefs_a " $dev1 "
aux wipefs_a " $dev2 "
aux wipefs_a " $dev4 "
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aux udev_wait
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##########################################
# PV on an md raid1 device, start+stopped
# md_component_checks: start (not auto)
# mddev: stopped (not started)
# three raid images
aux lvmconf 'devices/md_component_checks = "start"'
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mdadm --create --metadata= 1.0 " $mddev " --level 1 --chunk= 64 --raid-devices= 3 " $dev1 " " $dev2 " " $dev4 "
aux wait_md_create " $mddev "
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pvcreate " $mddev "
PVIDMD = ` pvs $mddev --noheading -o uuid | tr -d - | awk '{print $1}' `
echo $PVIDMD
vgcreate $vg " $mddev "
lvcreate -n $lv1 -l 2 -an $vg
mdadm --stop " $mddev "
cat /proc/mdstat
# pvs does not show the PV
not pvs " $mddev "
not pvs " $dev1 "
not pvs " $dev2 "
not pvs " $dev4 "
pvs > out
not grep $mddev out
not grep " $dev1 " out
not grep " $dev2 " out
not grep " $dev4 " out
pvscan --cache
not grep " $mddev " $HINTS
not grep " $dev1 " $HINTS
not grep " $dev2 " $HINTS
not grep " $dev4 " $HINTS
# the vg is not seen, normal activation does nothing
not lvchange -ay $vg /$lv1
not lvs $vg
# pvscan activation all does nothing
_clear_online_files
pvscan --cache -aay
not ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
not ls " $RUNDIR /lvm/vgs_online/ $vg "
_clear_online_files
pvscan --cache -aay " $dev1 " || true
ls " $RUNDIR /lvm/pvs_online/ $PVIDMD "
ls " $RUNDIR /lvm/vgs_online/ $vg "
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# N.B. not good to activate from component, but result of "start" setting
# Scanning the other two legs sees existing pv online file and warns about
# duplicate PVID, exiting with error:
not pvscan --cache -aay " $dev2 "
not pvscan --cache -aay " $dev4 "
# Have to disable other legs so we can deactivate since
# vgchange will detect and eliminate the components due
# to duplicates and not see the vg.
aux disable_dev " $dev2 "
aux disable_dev " $dev4 "
vgchange -an $vg
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aux enable_dev " $dev2 "
aux enable_dev " $dev4 "
aux udev_wait
cat /proc/mdstat
# for some reason enabling dev2 starts an odd md dev
mdadm --stop " $mddev " || true
cat /proc/mdstat
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aux wipefs_a " $dev1 " || true
aux wipefs_a " $dev2 " || true
aux wipefs_a " $dev4 " || true
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