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lvm2/test/t-vgsplit-operation.sh

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#!/bin/sh
# Copyright (C) 2007 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# Test vgsplit operation, including different LV types
. ./test-utils.sh
COMM() {
LAST_TEST="$@"
}
prepare_pvs 5 257
# FIXME: paramaterize lvm1 vs lvm2 metadata; most of these tests should run
# fine with lvm1 metadata as well; for now, just add disks 5 and 6 as lvm1
# metadata
#
# vgsplit can be done into a new or existing VG
#
for i in new existing
do
#
# We can have PVs or LVs on the cmdline
#
for j in PV LV
do
COMM "vgsplit correctly splits single linear LV into $i VG ($j args)"
vgcreate $vg1 $dev1 $dev2
if [ $i = existing ]; then
vgcreate $vg2 $dev3 $dev4
fi
lvcreate -l 4 -n $lv1 $vg1 $dev1
vgchange -an $vg1
if [ $j = PV ]; then
vgsplit $vg1 $vg2 $dev1
else
vgsplit -n $lv1 $vg1 $vg2
fi
vg_validate_pvlv_counts_ $vg1 1 0 0
if [ $i = existing ]; then
aux vg_validate_pvlv_counts_ $vg2 3 1 0
else
aux vg_validate_pvlv_counts_ $vg2 1 1 0
fi
lvremove -f $vg2/$lv1
vgremove -f $vg2
vgremove -f $vg1
COMM "vgsplit correctly splits single striped LV into $i VG ($j args)"
vgcreate $vg1 $dev1 $dev2
if [ $i = existing ]; then
vgcreate $vg2 $dev3 $dev4
fi
lvcreate -l 4 -i 2 -n $lv1 $vg1 $dev1 $dev2
vgchange -an $vg1
if [ $j = PV ]; then
vgsplit $vg1 $vg2 $dev1 $dev2
else
vgsplit -n $lv1 $vg1 $vg2
fi
if [ $i = existing ]; then
aux vg_validate_pvlv_counts_ $vg2 4 1 0
else
aux vg_validate_pvlv_counts_ $vg2 2 1 0
fi
lvremove -f $vg2/$lv1
vgremove -f $vg2
COMM "vgsplit correctly splits mirror LV into $i VG ($j args)"
vgcreate $vg1 $dev1 $dev2 $dev3
if [ $i = existing ]; then
vgcreate $vg2 $dev4
fi
lvcreate -l 64 -m1 -n $lv1 $vg1 $dev1 $dev2 $dev3
vgchange -an $vg1
if [ $j = PV ]; then
vgsplit $vg1 $vg2 $dev1 $dev2 $dev3
else
vgsplit -n $lv1 $vg1 $vg2
fi
if [ $i = existing ]; then
aux vg_validate_pvlv_counts_ $vg2 4 1 0
else
aux vg_validate_pvlv_counts_ $vg2 3 1 0
fi
lvremove -f $vg2/$lv1
vgremove -f $vg2
COMM "vgsplit correctly splits origin and snapshot LV into $i VG ($j args)"
vgcreate $vg1 $dev1 $dev2
if [ $i = existing ]; then
vgcreate $vg2 $dev3 $dev4
fi
lvcreate -l 64 -i 2 -n $lv1 $vg1 $dev1 $dev2
lvcreate -l 4 -i 2 -s -n $lv2 $vg1/$lv1
vgchange -an $vg1
if [ $j = PV ]; then
vgsplit $vg1 $vg2 $dev1 $dev2
else
vgsplit -n $lv1 $vg1 $vg2
fi
if [ $i = existing ]; then
aux vg_validate_pvlv_counts_ $vg2 4 2 1
else
aux vg_validate_pvlv_counts_ $vg2 2 2 1
fi
lvremove -f $vg2/$lv2
lvremove -f $vg2/$lv1
vgremove -f $vg2
COMM "vgsplit correctly splits linear LV but not snap+origin LV into $i VG ($j args)"
vgcreate $vg1 $dev1 $dev2
if [ $i = existing ]; then
vgcreate $vg2 $dev3
fi
lvcreate -l 64 -i 2 -n $lv1 $vg1
lvcreate -l 4 -i 2 -s -n $lv2 $vg1/$lv1
vgextend $vg1 $dev4
lvcreate -l 64 -n $lv3 $vg1 $dev4
vgchange -an $vg1
if [ $j = PV ]; then
vgsplit $vg1 $vg2 $dev4
else
vgsplit -n $lv3 $vg1 $vg2
fi
if [ $i = existing ]; then
aux vg_validate_pvlv_counts_ $vg2 2 1 0
aux vg_validate_pvlv_counts_ $vg1 2 2 1
else
aux vg_validate_pvlv_counts_ $vg2 1 1 0
aux vg_validate_pvlv_counts_ $vg1 2 2 1
fi
lvremove -f $vg1/$lv2
lvremove -f $vg1/$lv1
lvremove -f $vg2/$lv3
vgremove -f $vg1
vgremove -f $vg2
COMM "vgsplit correctly splits linear LV but not mirror LV into $i VG ($j args)"
vgcreate $vg1 $dev1 $dev2 $dev3
if [ $i = existing ]; then
vgcreate $vg2 $dev5
fi
lvcreate -l 64 -m1 -n $lv1 $vg1 $dev1 $dev2 $dev3
vgextend $vg1 $dev4
lvcreate -l 64 -n $lv2 $vg1 $dev4
vgchange -an $vg1
vgs
lvs
pvs
if [ $j = PV ]; then
vgsplit $vg1 $vg2 $dev4
else
vgsplit -n $lv2 $vg1 $vg2
fi
if [ $i = existing ]; then
aux vg_validate_pvlv_counts_ $vg1 3 1 0
aux vg_validate_pvlv_counts_ $vg2 2 1 0
else
vgs
lvs
pvs
aux vg_validate_pvlv_counts_ $vg1 3 1 0
aux vg_validate_pvlv_counts_ $vg2 1 1 0
fi
lvremove -f $vg1/$lv1
lvremove -f $vg2/$lv2
vgremove -f $vg1
vgremove -f $vg2
done
done
#
# Test more complex setups where the code has to find associated PVs and
# LVs to split the VG correctly
#
COMM "vgsplit fails splitting 3 striped LVs into VG when only 1 LV specified"
vgcreate $vg1 $dev1 $dev2 $dev3 $dev4
lvcreate -l 4 -n $lv1 -i 2 $vg1 $dev1 $dev2
lvcreate -l 4 -n $lv2 -i 2 $vg1 $dev2 $dev3
lvcreate -l 4 -n $lv3 -i 2 $vg1 $dev3 $dev4
vgchange -an $vg1
not vgsplit -n $lv1 $vg1 $vg2
vgremove -ff $vg1
COMM "vgsplit fails splitting one LV with 2 snapshots, only origin LV specified"
vgcreate $vg1 $dev1 $dev2 $dev3 $dev4
lvcreate -l 16 -n $lv1 $vg1 $dev1 $dev2
lvcreate -l 4 -n $lv2 -s $vg1/$lv1
lvcreate -l 4 -n $lv3 -s $vg1/$lv1
vg_validate_pvlv_counts_ $vg1 4 3 2
vgchange -an $vg1
not vgsplit -n $lv1 $vg1 $vg2;
lvremove -f $vg1/$lv2
lvremove -f $vg1/$lv3
lvremove -f $vg1/$lv1
vgremove -ff $vg1
COMM "vgsplit fails splitting one LV with 2 snapshots, only snapshot LV specified"
vgcreate $vg1 $dev1 $dev2 $dev3 $dev4
lvcreate -l 16 -n $lv1 $vg1 $dev1 $dev2
lvcreate -l 4 -n $lv2 -s $vg1/$lv1
lvcreate -l 4 -n $lv3 -s $vg1/$lv1
vg_validate_pvlv_counts_ $vg1 4 3 2
vgchange -an $vg1
not vgsplit -n $lv2 $vg1 $vg2
lvremove -f $vg1/$lv2
lvremove -f $vg1/$lv3
lvremove -f $vg1/$lv1
vgremove -ff $vg1
COMM "vgsplit fails splitting one mirror LV, only one PV specified"
vgcreate $vg1 $dev1 $dev2 $dev3 $dev4
lvcreate -l 16 -n $lv1 -m1 $vg1 $dev1 $dev2 $dev3
vg_validate_pvlv_counts_ $vg1 4 1 0
vgchange -an $vg1
not vgsplit $vg1 $vg2 $dev2
vgremove -ff $vg1
COMM "vgsplit fails splitting 1 mirror + 1 striped LV, only striped LV specified"
vgcreate $vg1 $dev1 $dev2 $dev3 $dev4
lvcreate -l 16 -n $lv1 -m1 $vg1 $dev1 $dev2 $dev3
lvcreate -l 16 -n $lv2 -i 2 $vg1 $dev3 $dev4
vg_validate_pvlv_counts_ $vg1 4 2 0
vgchange -an $vg1
not vgsplit -n $lv2 $vg1 $vg2 2>err
vgremove -ff $vg1
#
# Verify vgsplit rejects active LVs only when active LVs involved in split
#
COMM "vgsplit fails, active mirror involved in split"
vgcreate $vg1 $dev1 $dev2 $dev3 $dev4
lvcreate -l 16 -n $lv1 -m1 $vg1 $dev1 $dev2 $dev3
lvcreate -l 16 -n $lv2 $vg1 $dev4
lvchange -an $vg1/$lv2
vg_validate_pvlv_counts_ $vg1 4 2 0
not vgsplit -n $lv1 $vg1 $vg2;
vg_validate_pvlv_counts_ $vg1 4 2 0
vgremove -ff $vg1
COMM "vgsplit succeeds, active mirror not involved in split"
vgcreate $vg1 $dev1 $dev2 $dev3 $dev4
lvcreate -l 16 -n $lv1 -m1 $vg1 $dev1 $dev2 $dev3
lvcreate -l 16 -n $lv2 $vg1 $dev4
lvchange -an $vg1/$lv2
vg_validate_pvlv_counts_ $vg1 4 2 0
vgsplit -n $lv2 $vg1 $vg2
vg_validate_pvlv_counts_ $vg1 3 1 0
vg_validate_pvlv_counts_ $vg2 1 1 0
vgremove -ff $vg1
vgremove -ff $vg2
COMM "vgsplit fails, active snapshot involved in split"
vgcreate $vg1 $dev1 $dev2 $dev3 $dev4
lvcreate -l 64 -i 2 -n $lv1 $vg1 $dev1 $dev2
lvcreate -l 4 -i 2 -s -n $lv2 $vg1/$lv1
lvcreate -l 64 -i 2 -n $lv3 $vg1 $dev3 $dev4
lvchange -an $vg1/$lv3
vg_validate_pvlv_counts_ $vg1 4 3 1
not vgsplit -n $lv2 $vg1 $vg2;
vg_validate_pvlv_counts_ $vg1 4 3 1
lvremove -f $vg1/$lv2
vgremove -ff $vg1
COMM "vgsplit succeeds, active snapshot not involved in split"
vgcreate $vg1 $dev1 $dev2 $dev3
lvcreate -l 64 -i 2 -n $lv1 $vg1 $dev1 $dev2
lvcreate -l 4 -s -n $lv2 $vg1/$lv1
vgextend $vg1 $dev4
lvcreate -l 64 -n $lv3 $vg1 $dev4
lvchange -an $vg1/$lv3
vg_validate_pvlv_counts_ $vg1 4 3 1
vgsplit -n $lv3 $vg1 $vg2
vg_validate_pvlv_counts_ $vg1 3 2 1
vg_validate_pvlv_counts_ $vg2 1 1 0
vgchange -an $vg1
lvremove -f $vg1/$lv2
vgremove -ff $vg1
vgremove -ff $vg2