lvm2/test/shell/vgsplit-usage.sh

#!/usr/bin/env bash

# Copyright (C) 2007-2011 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 vgsplit command options for validity

SKIP_WITH_LVMLOCKD=1
SKIP_WITH_LVMPOLLD=1

. lib/inittest

aux prepare_devs 5
get_devs

if test -n "$LVM_TEST_LVM1" ; then
mdatypes='1 2'
else
mdatypes='2'
fi

for mdatype in $mdatypes
do

pvcreate -M$mdatype "${DEVICES[@]}"

# ensure name order does not matter
# NOTE: if we're using lvm1, we must use -M on vgsplit
vgcreate -M$mdatype "$vg1" "${DEVICES[@]}"
vgsplit -M$mdatype $vg1 $vg2 "$dev1"
vgremove $vg1 $vg2

vgcreate -M$mdatype "$vg2" "${DEVICES[@]}"
vgsplit -M$mdatype $vg2 $vg1 "$dev1"
vgremove $vg1 $vg2

# vgsplit accepts new vg as destination of split
# lvm1 -- bz244792
vgcreate -M$mdatype "$vg1" "${DEVICES[@]}"
vgsplit $vg1 $vg2 "$dev1" 1>err
grep "New volume group \"$vg2\" successfully split from \"$vg1\"" err
vgremove $vg1 $vg2

# vgsplit accepts existing vg as destination of split
vgcreate -M$mdatype $vg1 "$dev1" "$dev2"
vgcreate -M$mdatype $vg2 "$dev3" "$dev4"
vgsplit $vg1 $vg2 "$dev1" 1>err
grep "Existing volume group \"$vg2\" successfully split from \"$vg1\"" err
vgremove $vg1 $vg2

# vgsplit accepts --maxphysicalvolumes 128 on new VG
vgcreate -M$mdatype $vg1 "$dev1" "$dev2"
vgsplit --maxphysicalvolumes 128 $vg1 $vg2 "$dev1"
check vg_field $vg2 max_pv 128
vgremove $vg1 $vg2

# vgsplit accepts --maxlogicalvolumes 128 on new VG
vgcreate -M$mdatype $vg1 "$dev1" "$dev2"
vgsplit --maxlogicalvolumes 128 $vg1 $vg2 "$dev1"
check vg_field $vg2 max_lv 128
vgremove $vg1 $vg2

# vgsplit rejects split because max_pv of destination would be exceeded
vgcreate -M$mdatype --maxphysicalvolumes 2 $vg1 "$dev1" "$dev2"
vgcreate -M$mdatype --maxphysicalvolumes 2 $vg2 "$dev3" "$dev4"
not vgsplit $vg1 $vg2 "$dev1" 2>err;
grep "Maximum number of physical volumes (2) exceeded" err
vgremove $vg1 $vg2

# vgsplit rejects split because maxphysicalvolumes given with existing vg
vgcreate -M$mdatype --maxphysicalvolumes 2 $vg1 "$dev1" "$dev2"
vgcreate -M$mdatype --maxphysicalvolumes 2 $vg2 "$dev3" "$dev4"
not vgsplit --maxphysicalvolumes 2 $vg1 $vg2 "$dev1" 2>err;
grep "Volume group \"$vg2\" exists, but new VG option specified" err
vgremove $vg1 $vg2

# vgsplit rejects split because maxlogicalvolumes given with existing vg
vgcreate -M$mdatype --maxlogicalvolumes 2 $vg1 "$dev1" "$dev2"
vgcreate -M$mdatype --maxlogicalvolumes 2 $vg2 "$dev3" "$dev4"
not vgsplit --maxlogicalvolumes 2 $vg1 $vg2 "$dev1" 2>err
grep "Volume group \"$vg2\" exists, but new VG option specified" err
vgremove $vg1 $vg2

# vgsplit rejects split because alloc given with existing vg
vgcreate -M$mdatype --alloc cling $vg1 "$dev1" "$dev2"
vgcreate -M$mdatype --alloc cling $vg2 "$dev3" "$dev4"
not vgsplit --alloc cling $vg1 $vg2 "$dev1" 2>err;
grep "Volume group \"$vg2\" exists, but new VG option specified" err
vgremove $vg1 $vg2

# vgsplit rejects vg with active lv
pvcreate -M$mdatype -ff "$dev3" "$dev4"
vgcreate -M$mdatype $vg1 "$dev1" "$dev2"
vgcreate -M$mdatype $vg2 "$dev3" "$dev4"
lvcreate -l 4 -n $lv1 $vg1
not vgsplit $vg1 $vg2 "$dev1" 2>err;
grep "Logical volumes in \"$vg1\" must be inactive\$" err
vgremove -f $vg1 $vg2

# vgsplit rejects split because max_lv is exceeded
vgcreate -M$mdatype --maxlogicalvolumes 2 $vg1 "$dev1" "$dev2"
vgcreate -M$mdatype --maxlogicalvolumes 2 $vg2 "$dev3" "$dev4"
lvcreate -l 4 -n $lv1 $vg1
lvcreate -l 4 -n $lv2 $vg1
lvcreate -l 4 -n $lv3 $vg2
vgchange -an $vg1 $vg2
not vgsplit $vg1 $vg2 "$dev1" 2>err;
grep "Maximum number of logical volumes (2) exceeded" err
vgremove -f $vg1 $vg2

# vgsplit verify default - max_lv attribute from new VG is same as source VG" \
vgcreate -M$mdatype $vg1 "$dev1" "$dev2"
lvcreate -l 4 -n $lv1 $vg1
vgchange -an $vg1
vgsplit $vg1 $vg2 "$dev1"
check compare_vg_field $vg1 $vg2 max_lv
vgremove -f $vg1 $vg2

# vgsplit verify default - max_pv attribute from new VG is same as source VG" \
vgcreate -M$mdatype $vg1 "$dev1" "$dev2"
lvcreate -l 4 -n $lv1 $vg1
vgchange -an $vg1
vgsplit $vg1 $vg2 "$dev1"
check compare_vg_field $vg1 $vg2 max_pv
vgremove -f $vg1 $vg2

# vgsplit verify default - vg_fmt attribute from new VG is same as source VG" \
vgcreate -M$mdatype $vg1 "$dev1" "$dev2"
lvcreate -l 4 -n $lv1 $vg1
vgchange -an $vg1
vgsplit $vg1 $vg2 "$dev1"
check compare_vg_field $vg1 $vg2 vg_fmt
vgremove -f $vg2 $vg1

# vgsplit rejects split because PV not in VG
vgcreate -M$mdatype $vg1 "$dev1" "$dev2"
vgcreate -M$mdatype $vg2 "$dev3" "$dev4"
lvcreate -l 4 -n $lv1 $vg1
lvcreate -l 4 -n $lv2 $vg1
vgchange -an $vg1
not vgsplit $vg1 $vg2 "$dev3" 2>err;
vgremove -f $vg2 $vg1

# Restart clvm because using the same
# devs as lvm1 and then lvm2 causes problems.
if test -e LOCAL_CLVMD ; then
	kill "$(< LOCAL_CLVMD)"
	for i in $(seq 1 100) ; do
		test $i -eq 100 && die "Shutdown of clvmd is too slow."
		pgrep clvmd || break
		sleep .1
	done # wait for the pid removal
	aux prepare_clvmd
fi

done

if test -z "$LVM_TEST_LVM1" ; then
# ONLY LVM2 metadata
# setup PVs" '
pvcreate --metadatacopies 0 "$dev5"

# vgsplit rejects to give away pv with the last mda copy
vgcreate $vg1 "$dev5" "$dev2"
lvcreate -l 10 -n $lv1  $vg1
lvchange -an $vg1/$lv1
check pvlv_counts $vg1 2 1 0
not vgsplit  $vg1 $vg2 "$dev5";
check pvlv_counts $vg1 2 1 0
vgremove -f $vg1

# vgsplit rejects split because metadata types differ
if test -n "$LVM_TEST_LVM1" ; then
pvcreate -ff -M1 "$dev3" "$dev4"
pvcreate -ff "$dev1" "$dev2"
vgcreate -M1 $vg1 "$dev3" "$dev4"
vgcreate $vg2 "$dev1" "$dev2"
not vgsplit $vg1 $vg2 "$dev3" 2>err;
grep "Metadata types differ" err
vgremove -f $vg1 $vg2
fi
fi