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lvm2/test/t-lvextend-percent-extents.sh
2008-01-17 18:05:57 +00:00

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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_description='Check extents percentage arguments'
privileges_required_=1
. ./test-lib.sh
cleanup_()
{
test -n "$vg" && {
vgchange -an "$vg"
lvremove -ff "$vg"
vgremove -f "$vg"
} > "$test_dir_/cleanup.log"
test -n "$d1" && losetup -d "$d1"
test -n "$d2" && losetup -d "$d2"
rm -f "$f1" "$f2"
}
test_expect_success \
'set up temp files, loopback devices, PVs, and a VG' \
'f1=$(pwd)/1 && d1=$(loop_setup_ "$f1") &&
f2=$(pwd)/2 && d2=$(loop_setup_ "$f2") &&
pvcreate $d1 $d2 &&
vg=$(this_test_)-test-vg-$$ &&
vgcreate $vg $d1 $d2 &&
lv=$(this_test_)-test-lv-$$ &&
lvcreate -L 64M -n $lv $vg'
test_expect_success \
'lvextend rejects both size and extents without PVs' \
'lvextend -l 10 -L 64M $vg/$lv 2>err; test $? = 3 &&
grep "^ Please specify either size or extents but not both.\$" err'
test_expect_success \
'lvextend rejects both size and extents with PVs' \
'lvextend -l 10 -L 64M $vg/$lv $d1 2>err; test $? = 3 &&
grep "^ Please specify either size or extents but not both.\$" err'
test_expect_success \
'lvextend accepts no size or extents but one PV - bz154691' \
'lvextend $vg/$lv $d1 >out; test $? = 0 &&
grep "^ Logical volume $lv successfully resized\$" out &&
check_pv_field_ $d1 pv_free "0"'
test_expect_success \
'Reset LV to original size' \
'lvremove -f $vg/$lv; test $? = 0 &&
lvcreate -L 64M -n $lv $vg; test $? = 0'
test_expect_success \
'lvextend accepts no size but extents 100%PVS and two PVs - bz154691' \
'lvextend -l +100%PVS $vg/$lv $d1 $d2 >out; test $? = 0 &&
grep "^ Logical volume $lv successfully resized\$" out &&
check_pv_field_ $d1 pv_free "0" &&
check_pv_field_ $d2 pv_free "0"'
# Exercise the range overlap code. Allocate every 2 extents.
#
# Physical Extents
# 1 2
#012345678901234567890123
#
#aaXXaaXXaaXXaaXXaaXXaaXX - (a)llocated
#rrrXXXrrrXXXrrrXXXrrrXXX - (r)ange on cmdline
#ooXXXXXXoXXXooXXXXXXoXXX - (o)verlap of range and allocated
#
# Key: a - allocated
# F - free
# r - part of a range on the cmdline
# N - not on cmdline
#
# Create the LV with 12 extents, allocated every other 2 extents.
# Then extend it, with a range of PVs on the cmdline of every other 3 extents.
# Total number of extents should be 12 + overlap = 12 + 6 = 18.
# Thus, total size for the LV should be 18 * 4M = 72M
#
test_expect_success \
'Reset LV to 12 extents, allocate every other 2 extents' \
'create_pvs=`for i in $(seq 0 4 20); do echo -n "\$d1:$i-$(($i + 1)) "; done` &&
lvremove -f $vg/$lv; test $? = 0 &&
lvcreate -l 12 -n $lv $vg $create_pvs; test $? = 0 &&
check_lv_field_ $vg/$lv lv_size "48.00M"'
test_expect_success \
'lvextend with partially allocated PVs and extents 100%PVS with PE ranges' \
'extend_pvs=`for i in $(seq 0 6 18); do echo -n "\$d1:$i-$(($i + 2)) "; done` &&
lvextend -l +100%PVS $vg/$lv $extend_pvs >out; test $? = 0 &&
grep "^ Logical volume $lv successfully resized\$" out &&
check_lv_field_ $vg/$lv lv_size "72.00M"'
test_done
# Local Variables:
# indent-tabs-mode: nil
# End: