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Diffstat (limited to 'test/shell/devicesfile-basic.sh')
-rw-r--r-- | test/shell/devicesfile-basic.sh | 639 |
1 files changed, 639 insertions, 0 deletions
diff --git a/test/shell/devicesfile-basic.sh b/test/shell/devicesfile-basic.sh new file mode 100644 index 000000000..352f75575 --- /dev/null +++ b/test/shell/devicesfile-basic.sh @@ -0,0 +1,639 @@ +#!/usr/bin/env bash + +# Copyright (C) 2020 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_description='devices file' + +. lib/inittest + +aux prepare_devs 7 + +RUNDIR="/run" +test -d "$RUNDIR" || RUNDIR="/var/run" +PVS_ONLINE_DIR="$RUNDIR/lvm/pvs_online" +VGS_ONLINE_DIR="$RUNDIR/lvm/vgs_online" +PVS_LOOKUP_DIR="$RUNDIR/lvm/pvs_lookup" + +_clear_online_files() { + # wait till udev is finished + aux udev_wait + rm -f "$PVS_ONLINE_DIR"/* + rm -f "$VGS_ONLINE_DIR"/* + rm -f "$PVS_LOOKUP_DIR"/* +} + +wipe_all() { + aux wipefs_a "$dev1" + aux wipefs_a "$dev2" + aux wipefs_a "$dev3" + aux wipefs_a "$dev4" + aux wipefs_a "$dev5" + aux wipefs_a "$dev6" + aux wipefs_a "$dev7" +} + +# The tests run with system dir of "/etc" but lvm when running +# normally has cmd->system_dir set to "/etc/lvm". +DFDIR="$LVM_SYSTEM_DIR/devices" +mkdir -p $DFDIR || true +DF=$DFDIR/system.devices + +# +# Test with use_devicesfile=0 (no devices file is being applied by default) +# + +aux lvmconf 'devices/use_devicesfile = 0' + +wipe_all +rm -f $DF +pvcreate $dev1 +not ls $DF + +wipe_all +rm -f $DF +vgcreate $vg1 $dev1 +not ls $DF + +wipe_all +rm -f $DF + +# create one VG in a non-system devices file +vgcreate --devicesfile test.devices $vg1 $dev1 +vgextend --devicesfile test.devices $vg1 $dev2 +cat $DFDIR/test.devices +grep $dev1 $DFDIR/test.devices +grep $dev2 $DFDIR/test.devices +not ls $DFDIR/system.devices + +# create two VGs outside the special devices file +vgcreate $vg2 $dev3 $dev4 +vgcreate $vg3 $dev5 $dev6 +not grep $dev3 $DFDIR/test.devices +not grep $dev5 $DFDIR/test.devices +not ls $DFDIR/system.devices + +PVID1=`pvs $dev1 --noheading -o uuid | tr -d - | awk '{print $1}'` +PVID2=`pvs $dev2 --noheading -o uuid | tr -d - | awk '{print $1}'` +PVID3=`pvs $dev3 --noheading -o uuid | tr -d - | awk '{print $1}'` +PVID4=`pvs $dev4 --noheading -o uuid | tr -d - | awk '{print $1}'` +PVID5=`pvs $dev5 --noheading -o uuid | tr -d - | awk '{print $1}'` +PVID6=`pvs $dev6 --noheading -o uuid | tr -d - | awk '{print $1}'` + +lvcreate -l4 -an -i2 -n $lv1 $vg1 +lvcreate -l4 -an -i2 -n $lv2 $vg2 +lvcreate -l4 -an -i2 -n $lv3 $vg3 + +cat $DFDIR/test.devices +grep $PVID1 $DFDIR/test.devices +grep $PVID2 $DFDIR/test.devices +not grep $PVID3 $DFDIR/test.devices +not grep $PVID4 $DFDIR/test.devices +not grep $PVID5 $DFDIR/test.devices +not grep $PVID6 $DFDIR/test.devices +not ls $DFDIR/system.devices + +# verify devices file is working +vgs --devicesfile test.devices $vg1 +not vgs --devicesfile test.devices $vg2 + +# devicesfile and devices cannot be used together +not vgs --devicesfile test.devices --devices $dev1,$dev1 $vg1 + +# verify correct vgs are seen / not seen when devices are specified +vgs --devices $dev1,$dev2 $vg1 +vgs --devices $dev3,$dev4 $vg2 +vgs --devices $dev5,$dev6 $vg3 +not vgs --devices $dev1,$dev2 $vg2 +not vgs --devices $dev1,$dev2 $vg3 +not vgs --devices $dev1,$dev2 $vg2 +not vgs --devices $dev5,$dev6 $vg2 +not vgs --devices $dev1,$dev2 $vg3 +not vgs --devices $dev3,$dev4 $vg3 + +vgs --devices $dev1,$dev2 |tee out +grep $vg1 out +not grep $vg2 out +not grep $vg3 out +vgs --devices $dev3,$dev4 |tee out +not grep $vg1 out +grep $vg2 out +not grep $vg3 out + +# verify correct pvs are seen / not seen when devices are specified +pvs --devices $dev1,$dev2 $dev1 $dev2 +pvs --devices $dev3,$dev4 $dev3 $dev4 +pvs --devices $dev5,$dev6 $dev5 $dev6 +not pvs --devices $dev1,$dev2 $dev3 $dev4 +not pvs --devices $dev1,$dev2 $dev5 $dev6 +not pvs --devices $dev3,$dev4 $dev1 $dev2 $dev5 $dev6 + +pvs --devices $dev1,$dev2 |tee out +grep $dev1 out +grep $dev2 out +not grep $dev3 out +not grep $dev4 out +not grep $dev5 out +not grep $dev6 out +pvs --devices $dev3,$dev4 |tee out +not grep $dev1 out +not grep $dev2 out +grep $dev3 out +grep $dev4 out +not grep $dev5 out +not grep $dev6 out + +# verify correct lvs are activated / not activated when devices are specified +vgchange --devices $dev1,$dev2 -ay +check lv_field $vg1/$lv1 lv_active "active" +check lv_field $vg2/$lv2 lv_active "" +check lv_field $vg3/$lv3 lv_active "" +vgchange --devices $dev1,$dev2 -an +check lv_field $vg1/$lv1 lv_active "" + +vgchange --devices $dev3,$dev4 -ay +check lv_field $vg1/$lv1 lv_active "" +check lv_field $vg2/$lv2 lv_active "active" +check lv_field $vg3/$lv3 lv_active "" +vgchange --devices $dev3,$dev4 -an +check lv_field $vg2/$lv2 lv_active "" + +# verify devices covering multiple vgs +vgs --devices $dev1,$dev2,$dev3,$dev4 $vg1 $vg2 |tee out +grep $vg1 out +grep $vg2 out +not grep $vg3 out +vgs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 $vg1 $vg2 $vg3 |tee out +grep $vg1 out +grep $vg2 out +grep $vg3 out + +# verify vgs seen when incomplete devices are specified +vgs --devices $dev1 $vg1 +vgs --devices $dev3 $vg2 +vgs --devices $dev5 $vg3 + +# incomplete vg because of --devices is the same as vg incomplete because +# of missing device +not lvcreate --devices $dev1 -l1 $vg1 +not lvchange --devices $dev1 -ay $vg1/$lv1 +not lvextend --devices $dev1 -l+1 $vg1/$lv1 +not vgremove --devices $dev1 $vg1 +not lvcreate --devices $dev3 -l1 $vg2 +not lvchange --devices $dev3 -ay $vg2/$lv2 +not lvextend --devices $dev3 -l+1 $vg2/$lv2 +not vgremove --devices $dev3 $vg2 + +# verify various commands with --devices for vg in a devicesfile +not lvcreate --devices $dev1,$dev2 -l1 -n $lv2 -an $vg1 $dev7 +lvcreate --devices $dev1,$dev2 -l1 -n $lv2 -an $vg1 +lvs --devices $dev1,$dev2 $vg1/$lv2 +lvextend --devices $dev1,$dev2 -l2 $vg1/$lv2 +lvchange --devices $dev1,$dev2 -ay $vg1/$lv2 +lvchange --devices $dev1,$dev2 -an $vg1/$lv2 +lvremove --devices $dev1,$dev2 $vg1/$lv2 +vgchange --devices $dev1,$dev2 -ay $vg1 +vgchange --devices $dev1,$dev2 -an $vg1 +not vgextend --devices $dev1,$dev2 $vg1 $dev7 +vgextend --devices $dev1,$dev2,$dev7 $vg1 $dev7 +vgreduce --devices $dev1,$dev2,$dev7 $vg1 $dev7 +vgexport --devices $dev1,$dev2 $vg1 +vgimport --devices $dev1,$dev2 $vg1 +not pvremove --devices $dev1,$dev2 $dev7 +not pvcreate --devices $dev1,$dev2 $dev7 +not vgcreate --devices $dev1,$dev2 $vg7 $dev7 +pvremove --devices $dev7 $dev7 +pvcreate --devices $dev7 $dev7 +vgcreate --devices $dev7 $vg7 $dev7 +vgremove --devices $dev7 $vg7 +pvremove --devices $dev7 $dev7 + +# verify various commands with --devices for vg not in a devicesfile +not lvcreate --devices $dev3,$dev4 -l1 -n $lv4 -an $vg2 $dev7 +lvcreate --devices $dev3,$dev4 -l1 -n $lv4 -an $vg2 +lvs --devices $dev3,$dev4 $vg2/$lv4 +lvextend --devices $dev3,$dev4 -l2 $vg2/$lv4 +lvchange --devices $dev3,$dev4 -ay $vg2/$lv4 +lvchange --devices $dev3,$dev4 -an $vg2/$lv4 +lvremove --devices $dev3,$dev4 $vg2/$lv4 +vgchange --devices $dev3,$dev4 -ay $vg2 +vgchange --devices $dev3,$dev4 -an $vg2 +not vgextend --devices $dev3,$dev4 $vg2 $dev7 +vgextend --devices $dev3,$dev4,$dev7 $vg2 $dev7 +vgreduce --devices $dev3,$dev4,$dev7 $vg2 $dev7 +vgexport --devices $dev3,$dev4 $vg2 +vgimport --devices $dev3,$dev4 $vg2 +not pvremove --devices $dev3,$dev4 $dev7 +not pvcreate --devices $dev3,$dev4 $dev7 +not vgcreate --devices $dev3,$dev4 $vg7 $dev7 +pvremove --devices $dev7 $dev7 +pvcreate --devices $dev7 $dev7 +vgcreate --devices $dev7 $vg7 $dev7 +vgremove --devices $dev7 $vg7 +pvremove --devices $dev7 $dev7 + +# verify pvscan with devices file and devices list + +# arg not in devices file +_clear_online_files +pvscan --devicesfile test.devices --cache -aay $dev3 +not ls "$RUNDIR/lvm/pvs_online/$PVID3" +pvscan --devicesfile test.devices --cache -aay $dev4 +not ls "$RUNDIR/lvm/pvs_online/$PVID4" +check lv_field $vg1/$lv1 lv_active "" +check lv_field $vg2/$lv2 lv_active "" + +# arg in devices file +_clear_online_files +pvscan --devicesfile test.devices --cache $dev1 +pvscan --devicesfile test.devices --cache $dev2 +ls "$RUNDIR/lvm/pvs_online/$PVID1" +ls "$RUNDIR/lvm/pvs_online/$PVID2" + +# autoactivate with devices file +_clear_online_files +pvscan --devicesfile test.devices --cache -aay $dev1 +pvscan --devicesfile test.devices --cache -aay $dev2 +check lv_field $vg1/$lv1 lv_active "active" +vgchange -an $vg1 + +# autoactivate with no devices file +_clear_online_files +pvscan --cache -aay $dev3 +pvscan --cache -aay $dev4 +check lv_field $vg2/$lv2 lv_active "active" +vgchange -an $vg2 + +# arg not in devices list +_clear_online_files +pvscan --devices $dev1,$dev2 --cache $dev3 +not ls "$RUNDIR/lvm/pvs_online/$PVID3" +pvscan --devices $dev4 --cache $dev3 +not ls "$RUNDIR/lvm/pvs_online/$PVID3" +pvscan --devices $dev5 --cache $dev3 +not ls "$RUNDIR/lvm/pvs_online/$PVID3" + +# arg in devices list +_clear_online_files +pvscan --devices $dev3 --cache -aay $dev3 +pvscan --devices $dev4 --cache -aay $dev4 +check lv_field $vg2/$lv2 lv_active "active" +vgchange -an $vg2 + + +# verify --devicesfile and --devices are not affected by a filter +# hide_dev excludes using existing filter +aux hide_dev $dev2 +aux hide_dev $dev4 +pvs --devicesfile test.devices $dev1 +pvs --devicesfile test.devices $dev2 +not pvs --devicesfile test.devices $dev3 +not pvs --devicesfile test.devices $dev4 +pvs --devices $dev1 $dev1 +pvs --devices $dev2 $dev2 +pvs --devices $dev3 $dev3 +pvs --devices $dev4 $dev4 +pvs --devices $dev5 $dev5 +pvs --devices $dev1,$dev2,$dev3,$dev4,$dev5 $dev1 $dev2 $dev3 $dev4 $dev5 | tee out +grep $dev1 out +grep $dev2 out +grep $dev3 out +grep $dev4 out +grep $dev5 out +vgchange --devices $dev1,$dev2 -ay $vg1 +check lv_field $vg1/$lv1 lv_active "active" +lvchange --devices $dev1,$dev2 -an $vg1/$lv1 +vgchange --devices $dev3,$dev4 -ay $vg2 +check lv_field $vg2/$lv2 lv_active "active" +lvchange --devices $dev3,$dev4 -an $vg2/$lv2 +aux unhide_dev $dev2 +aux unhide_dev $dev4 + +vgchange --devicesfile "" -an +vgremove --devicesfile "" -y $vg1 +vgremove --devicesfile "" -y $vg2 +vgremove --devicesfile "" -y $vg3 + +# +# Test with use_devicesfile=1 (system devices file is in use by default) +# + +aux lvmconf 'devices/use_devicesfile = 1' + +DF="$DFDIR/system.devices" +touch $DF + +# create one VG in a non-system devices file +vgcreate --devicesfile test.devices $vg1 $dev1 $dev2 + +# create one VG in the default system devices file +vgcreate $vg2 $dev3 $dev4 + +# create one VG in neither devices file +vgcreate --devicesfile "" $vg3 $dev5 $dev6 + +lvcreate --devicesfile test.devices -l4 -an -i2 -n $lv1 $vg1 +lvcreate -l4 -an -i2 -n $lv2 $vg2 +lvcreate --devicesfile "" -l4 -an -i2 -n $lv3 $vg3 + +# system.devices only sees vg2 +vgs |tee out +not grep $vg1 out +grep $vg2 out +not grep $vg3 out +not vgs $vg1 +vgs $vg2 +not vgs $vg3 +pvs |tee out +not grep $dev1 out +not grep $dev2 out +grep $dev3 out +grep $dev4 out +not grep $dev5 out +not grep $dev6 out + +# test.devices only sees vg1 +vgs --devicesfile test.devices |tee out +grep $vg1 out +not grep $vg2 out +not grep $vg3 out +pvs --devicesfile test.devices |tee out +grep $dev1 out +grep $dev2 out +not grep $dev3 out +not grep $dev4 out +not grep $dev5 out +not grep $dev6 out + +# no devices file sees all +vgs --devicesfile "" |tee out +grep $vg1 out +grep $vg2 out +grep $vg3 out +vgs --devicesfile "" $vg1 +vgs --devicesfile "" $vg2 +vgs --devicesfile "" $vg3 +pvs --devicesfile "" |tee out +grep $dev1 out +grep $dev2 out +grep $dev3 out +grep $dev4 out +grep $dev5 out +grep $dev6 out + +vgchange -ay +lvs --devicesfile test.devices -o active $vg1/$lv1 |tee out +not grep active out +lvs -o active $vg2/$lv2 |tee out +grep active out +lvs --devicesfile "" -o active $vg3/$lv3 |tee out +not grep active out +vgchange -an +lvs -o active $vg2/$lv2 |tee out +not grep active out + +vgchange --devicesfile test.devices -ay +lvs --devicesfile test.devices -o active $vg1/$lv1 |tee out +grep active out +lvs -o active $vg2/$lv2 |tee out +not grep active out +lvs --devicesfile "" -o active $vg3/$lv3 |tee out +not grep active out +vgchange --devicesfile test.devices -an +lvs --devicesfile test.devices -o active $vg1/$lv1 |tee out +not grep active out + +# --devices overrides all three cases: +# always gives access to the specified devices +# always denies access to unspecified devices + +vgs --devices $dev1,$dev2 $vg1 +vgs --devices $dev3,$dev4 $vg2 +vgs --devices $dev5,$dev6 $vg3 + +pvs --devices $dev1 $dev1 +pvs --devices $dev3 $dev3 +pvs --devices $dev5 $dev5 + +not pvs --devices $dev1 $dev1 $dev2 |tee out +grep $dev1 out +not grep $dev2 out + +not pvs --devices $dev3 $dev3 $dev4 |tee out +grep $dev3 out +not grep $dev4 out + +not pvs --devices $dev5 $dev1 $dev2 $dev3 $dev4 $dev5 |tee out +grep $dev5 out +not grep $dev1 out +not grep $dev2 out +not grep $dev3 out +not grep $dev4 out +not grep $dev6 out + +pvs --devices $dev1,$dev2,$dev3,$dev4,$dev5 $dev5 |tee out +grep $dev5 out +not grep $dev1 out +not grep $dev2 out +not grep $dev3 out +not grep $dev4 out +not grep $dev6 out + +pvs --devices $dev1,$dev2,$dev3,$dev4,$dev5 $dev1 $dev2 $dev3 $dev4 $dev5 |tee out +grep $dev1 out +grep $dev2 out +grep $dev3 out +grep $dev4 out +grep $dev5 out + +vgchange --devices $dev1,$dev2 -ay +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active | grep active |tee out +grep $lv1 out +not grep $lv2 out +not grep $lv3 out +vgchange --devices $dev1,$dev2 -an +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active | tee out +not grep active out + +vgchange --devices $dev3,$dev4 -ay +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active | grep active |tee out +not grep $lv1 out +grep $lv2 out +not grep $lv3 out +vgchange --devices $dev3,$dev4 -an +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active |tee out +not grep active out + +vgchange --devices $dev5,$dev6 -ay +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active | grep active |tee out +not grep $lv1 out +not grep $lv2 out +grep $lv3 out +vgchange --devices $dev5,$dev6 -an +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active |tee out +not grep active out + +lvcreate --devices $dev1,$dev2 -l1 -an -n $lv4 $vg1 +lvremove --devices $dev1,$dev2 $vg1/$lv4 +lvcreate --devices $dev3,$dev4 -l1 -an -n $lv4 $vg2 +lvremove --devices $dev3,$dev4 $vg2/$lv4 +lvcreate --devices $dev5,$dev6 -l1 -an -n $lv4 $vg3 +lvremove --devices $dev5,$dev6 $vg3/$lv4 + +not vgchange --devices $dev1,$dev2 -ay $vg2 +not vgchange --devices $dev1,$dev2 -ay $vg3 +not vgchange --devices $dev3,$dev4 -ay $vg1 +not vgchange --devices $dev3,$dev4 -ay $vg3 +not vgchange --devices $dev5,$dev6 -ay $vg1 +not vgchange --devices $dev5,$dev6 -ay $vg2 + +not lvcreate --devices $dev1,$dev2 -an -l1 $vg2 +not lvcreate --devices $dev1,$dev2 -an -l1 $vg3 +not lvcreate --devices $dev3,$dev4 -an -l1 $vg1 +not lvcreate --devices $dev3,$dev4 -an -l1 $vg3 +not lvcreate --devices $dev5,$dev6 -an -l1 $vg1 +not lvcreate --devices $dev5,$dev6 -an -l1 $vg2 + +# autoactivate devs in default devices file +_clear_online_files +pvscan --cache -aay $dev3 +pvscan --cache -aay $dev4 +check lv_field $vg2/$lv2 lv_active "active" +vgchange -an $vg2 +pvscan --cache -aay $dev1 +not ls "$RUNDIR/lvm/pvs_online/$PVID1" +pvscan --cache -aay $dev2 +not ls "$RUNDIR/lvm/pvs_online/$PVID2" +pvscan --cache -aay $dev5 +not ls "$RUNDIR/lvm/pvs_online/$PVID5" +_clear_online_files +pvscan --devices $dev3 --cache -aay $dev3 +pvscan --devices $dev3,$dev4 --cache -aay $dev4 +lvs --devices $dev3,$dev4 -o active $vg2/$lv2 | grep active +vgchange --devices $dev3,$dev4 -an $vg2 + +not vgchange -ay $vg1 +vgchange --devicesfile test.devices -ay $vg1 +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active | grep active |tee out +grep $lv1 out +not grep $lv2 out +not grep $lv3 out + +vgchange -ay $vg2 +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active | grep active |tee out +grep $lv1 out +grep $lv2 out +not grep $lv3 out + +not vgchange -ay $vg3 +vgchange --devicesfile "" -ay $vg3 +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active | grep active |tee out +grep $lv1 out +grep $lv2 out +grep $lv3 out + +vgchange -an +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active | grep active |tee out +grep $lv1 out +not grep $lv2 out +grep $lv3 out + +vgchange -ay +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active | grep active |tee out +grep $lv1 out +grep $lv2 out +grep $lv3 out + +vgchange --devicesfile "" -an +lvs --devices $dev1,$dev2,$dev3,$dev4,$dev5,$dev6 -o name,active |tee out +not grep active out + +not vgremove $vg1 +not vgremove $vg3 +vgremove -y $vg2 +vgremove --devicesfile test.devices -y $vg1 +vgremove --devicesfile "" -y $vg3 + +# +# Test when system.devices is created by lvm +# + +# no pvs exist, pvcreate creates DF, e.g. system installation + +wipe_all +rm -f $DF +pvcreate $dev1 +ls $DF +grep $dev1 $DF + +# no pvs exist, vgcreate creates DF, e.g. system installation + +wipe_all +rm -f $DF +vgcreate $vg1 $dev1 +ls $DF +grep $dev1 $DF + +# no pvs exist, touch DF, pvcreate uses it + +wipe_all +rm -f $DF +touch $DF +pvcreate $dev1 +grep $dev1 $DF + +# no vgs exist, touch DF, vgcreate uses it + +wipe_all +rm -f $DF +touch $DF +vgcreate $vg1 $dev1 +grep $dev1 $DF + +# vgs exist, pvcreate/vgcreate do not create DF + +wipe_all +rm -f $DF +vgcreate $vg1 $dev1 +ls $DF +rm $DF +pvcreate $dev2 +not ls $DF +vgcreate $vg3 $dev3 +not ls $DF + +# vgs exist, pvcreate/vgcreate --devicesfile system.devices creates DF + +wipe_all +rm -f $DF +vgcreate $vg1 $dev1 +ls $DF +rm $DF +pvcreate --devicesfile system.devices $dev2 +ls $DF +grep $dev2 $DF +rm $DF +vgcreate --devicesfile system.devices $vg3 $dev3 +ls $DF +grep $dev3 $DF + +# pvcreate/vgcreate always create non-system DF if it doesn't exist + +wipe_all +rm -f $DF +vgcreate $vg1 $dev1 +rm $DF +rm $DFDIR/test.devices +pvcreate --devicesfile test.devices $dev2 +grep $dev2 $DFDIR/test.devices +rm $DFDIR/test.devices +vgcreate --devicesfile test.devices $vg3 $dev3 +grep $dev3 $DFDIR/test.devices + |