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lvm2/test/t-pvmove-basic.sh
Dave Wysochanski 2802c476ee Fix 'make check' runnable with recent versions of dmsetup.
Fix 'make check' to use DMDIR to check DM_DEV_DIR support in dmsetup.
Add basic test cases for mirrored LV.
Add basic test cases for lvconvert mirror.
Add basic test cases for pvmove.
	Jun'ichi Nomura <j-nomura@ce.jp.nec.com>

Add new vgsplit and vgmerge tests.
	Dave Wysochanski <dwysocha@redhat.com>
2008-01-16 21:21:22 +00:00

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#!/bin/sh
# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
# Copyright (C) 2007 NEC Corporation
#
# 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="ensure that pvmove works with basic options"
privileges_required_=1
. ./test-lib.sh
dmsetup_has_dm_devdir_support_ ||
{
say "Your version of dmsetup lacks support for changing DM_DEVDIR."
say "Skipping this test"
exit 0
}
cleanup_()
{
test -n "$vg" && {
lvremove -ff $vg
vgremove $vg
} > /dev/null
test -n "$pvs" && {
pvremove $pvs > /dev/null
for d in $pvs; do
dmsetup remove $(basename $d)
done
}
losetup -d $lodev
rm -f $lofile
}
# ---------------------------------------------------------------------
# config
nr_pvs=5
pvsize=$((80 * 1024 * 2))
vg=pvmove-basic-vg-$$
lv1=lv1
lv2=lv2
lv3=lv3
# ---------------------------------------------------------------------
# Utilities
pv_()
{
echo "$G_dev_/mapper/pv$1"
}
lvdev_()
{
echo "$G_dev_/$1/$2"
}
lv_is_on_()
{
local lv=$1
shift 1
lvs -a -odevices --noheadings $lv | sed 's/,/\n/g' > out
for d in $*; do grep "$d(" out || return 1; done
for d in $*; do grep -v "$d(" out > out2; mv out2 out; done
grep . out && return 1
return 0
}
save_dev_sum_()
{
mkfs.ext3 $1 > /dev/null &&
md5sum $1 > md5.$(basename $1)
}
check_dev_sum_()
{
md5sum $1 > md5.tmp && cmp md5.$(basename $1) md5.tmp
}
# ---------------------------------------------------------------------
# Initialize PVs and VGs
test_expect_success \
'set up temp file and loopback device' \
'lofile=$(pwd)/lofile && lodev=$(loop_setup_ "$lofile")'
offset=0
pvs=
for n in $(seq 1 $nr_pvs); do
test_expect_success \
"create pv$n" \
'echo "0 $pvsize linear $lodev $offset" > in &&
dmsetup create pv$n < in'
offset=$(($offset + $pvsize))
done
for n in $(seq 1 $nr_pvs); do
pvs="$pvs $(pv_ $n)"
done
test_expect_success \
"Run this: pvcreate $pvs" \
'pvcreate $pvs'
test_expect_success \
'set up a VG' \
'vgcreate $vg $pvs'
# ---------------------------------------------------------------------
# Common environment setup/cleanup for each sub testcases
prepare_lvs_()
{
lvcreate -l2 -n $lv1 $vg $(pv_ 1) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) &&
lvcreate -l9 -i3 -n $lv2 $vg $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
lvextend -l+2 $vg/$lv1 $(pv_ 2) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 2) &&
lvextend -l+2 $vg/$lv1 $(pv_ 3) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) &&
lvextend -l+2 $vg/$lv1 $(pv_ 1) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 2) $(pv_ 3) $(pv_ 1) &&
lvcreate -l1 -n $lv3 $vg $(pv_ 2) &&
lv_is_on_ $vg/$lv3 $(pv_ 2) &&
save_dev_sum_ $(lvdev_ $vg $lv1) &&
save_dev_sum_ $(lvdev_ $vg $lv2) &&
save_dev_sum_ $(lvdev_ $vg $lv3) &&
lvs -a -o devices --noheadings $vg/$lv1 > lv1_devs &&
lvs -a -o devices --noheadings $vg/$lv2 > lv2_devs &&
lvs -a -o devices --noheadings $vg/$lv3 > lv3_devs
}
lv_not_changed_()
{
lvs -a -o devices --noheadings $1 > out &&
diff $(basename $1)_devs out
}
check_and_cleanup_lvs_()
{
lvs -a -o+devices $vg &&
check_dev_sum_ $(lvdev_ $vg $lv1) &&
check_dev_sum_ $(lvdev_ $vg $lv2) &&
check_dev_sum_ $(lvdev_ $vg $lv3) &&
lvs -a -o name $vg > out && ! grep ^pvmove out &&
lvremove -ff $vg
}
test_expect_success "check environment setup/cleanup" \
'prepare_lvs_ &&
check_and_cleanup_lvs_'
# ---------------------------------------------------------------------
# pvmove tests
# ---
# filter by LV
test_expect_success "only specified LV is moved: from pv2 to pv5 only for lv1" \
'prepare_lvs_ &&
pvmove -i1 -n $vg/$lv1 $(pv_ 2) $(pv_ 5) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 5) $(pv_ 3) $(pv_ 1) &&
lv_not_changed_ $vg/$lv2 &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
# ---
# segments in a LV
test_expect_success "the 1st seg of 3-segs LV is moved: from pv1 of lv1 to pv4" \
'prepare_lvs_ &&
pvmove -i1 -n $vg/$lv1 $(pv_ 1) $(pv_ 4) &&
lv_is_on_ $vg/$lv1 $(pv_ 4) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv2 &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "the 2nd seg of 3-segs LV is moved: from pv2 of lv1 to pv4" \
'prepare_lvs_ &&
pvmove -i1 -n $vg/$lv1 $(pv_ 2) $(pv_ 4) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 4) $(pv_ 3) $(pv_ 1) &&
lv_not_changed_ $vg/$lv2 &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "the 3rd seg of 3-segs LV is moved: from pv3 of lv1 to pv4" \
'prepare_lvs_ &&
pvmove -i1 -n $vg/$lv1 $(pv_ 3) $(pv_ 4) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 2) $(pv_ 4) $(pv_ 1) &&
lv_not_changed_ $vg/$lv2 &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
# ---
# multiple LVs matching
test_expect_success "1 out of 3 LVs is moved: from pv4 to pv5" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 4) $(pv_ 5) &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 3) $(pv_ 5) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "2 out of 3 LVs are moved: from pv3 to pv5" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 3) $(pv_ 5) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 2) $(pv_ 5) $(pv_ 1) &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 5) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "3 out of 3 LVs are moved: from pv2 to pv5" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 2) $(pv_ 5) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 5) $(pv_ 3) $(pv_ 1) &&
lv_is_on_ $vg/$lv2 $(pv_ 5) $(pv_ 3) $(pv_ 4) &&
lv_is_on_ $vg/$lv3 $(pv_ 5) &&
check_and_cleanup_lvs_'
# ---
# areas of striping
test_expect_success "move the 1st stripe: from pv2 of lv2 to pv1" \
'prepare_lvs_ &&
pvmove -i1 -n $vg/$lv2 $(pv_ 2) $(pv_ 1) &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 1) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "move the 2nd stripe: from pv3 of lv2 to pv1" \
'prepare_lvs_ &&
pvmove -i1 -n $vg/$lv2 $(pv_ 3) $(pv_ 1) &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 1) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "move the 3rd stripe: from pv4 of lv2 to pv1" \
'prepare_lvs_ &&
pvmove -i1 -n $vg/$lv2 $(pv_ 4) $(pv_ 1) &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 3) $(pv_ 1) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
# ---
# partial segment match (source segment splitted)
test_expect_success "match to the start of segment:from pv2:0-0 to pv5" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 2):0-0 $(pv_ 5) &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 5) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "match to the middle of segment: from pv2:1-1 to pv5" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 2):1-1 $(pv_ 5) &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 5) $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "match to the end of segment: from pv2:2-2 to pv5" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 2):2-2 $(pv_ 5) &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 5) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
# ---
# destination segment splitted
test_expect_success "no destination split: from pv2:0-2 to pv5" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 2):0-2 $(pv_ 5) &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 5) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "destination split into 2: from pv2:0-2 to pv5:5-5 and pv4:5-6" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 2):0-2 $(pv_ 5):5-5 $(pv_ 4):5-6 &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 5) $(pv_ 4) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "destination split into 3: from pv2:0-2 to {pv3,4,5}:5-5" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 2):0-2 $(pv_ 3):5-5 $(pv_ 4):5-5 $(pv_ 5):5-5 &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 3) $(pv_ 4) $(pv_ 5) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
# ---
# alloc policy (anywhere, contiguous) with both success and failure cases
test_expect_failure "alloc normal on same PV for source and destination: from pv3:0-2 to pv3:5-7" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 3):0-2 $(pv_ 3):5-7'
test_expect_success "(cleanup previous test)" \
'lv_not_changed_ $vg/$lv1 &&
lv_not_changed_ $vg/$lv2 &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "alloc anywhere on same PV for source and destination: from pv3:0-2 to pv3:5-7" \
'prepare_lvs_ &&
pvmove -i1 --alloc anywhere $(pv_ 3):0-2 $(pv_ 3):5-7 &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "alloc anywhere but better area available: from pv3:0-2 to pv3:5-7 or pv5:5-6,pv4:5-5" \
'prepare_lvs_ &&
pvmove -i1 --alloc anywhere $(pv_ 3):0-2 $(pv_ 3):5-7 $(pv_ 5):5-6 $(pv_ 4):5-5 &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 5) $(pv_ 4) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_failure "alloc contiguous but area not available: from pv2:0-2 to pv5:5-5 and pv4:5-6" \
'prepare_lvs_ &&
pvmove -i1 --alloc contiguous $(pv_ 2):0-2 $(pv_ 5):5-5 $(pv_ 4):5-6'
test_expect_success "(cleanup previous test)" \
'lv_not_changed_ $vg/$lv1 &&
lv_not_changed_ $vg/$lv2 &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_success "alloc contiguous and contiguous area available: from pv2:0-2 to pv5:0-0,pv5:3-5 and pv4:5-6" \
'prepare_lvs_ &&
pvmove -i1 --alloc contiguous $(pv_ 2):0-2 $(pv_ 5):0-0 $(pv_ 5):3-5 $(pv_ 4):5-6 &&
lv_not_changed_ $vg/$lv1 &&
lv_is_on_ $vg/$lv2 $(pv_ 5) $(pv_ 3) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
# ---
# multiple segments in a LV
test_expect_success "multiple source LVs: from pv3 to pv5" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 3) $(pv_ 5) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 2) $(pv_ 5) &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 5) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
# ---
# move inactive LV
test_expect_success "move inactive LV: from pv2 to pv5" \
'prepare_lvs_ &&
lvchange -an $vg/$lv1 &&
lvchange -an $vg/$lv3 &&
pvmove -i1 $(pv_ 2) $(pv_ 5) &&
lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 5) $(pv_ 3) &&
lv_is_on_ $vg/$lv2 $(pv_ 5) $(pv_ 3) $(pv_ 4) &&
lv_is_on_ $vg/$lv3 $(pv_ 5) &&
check_and_cleanup_lvs_'
# ---
# other failure cases
test_expect_failure "no PEs to move: from pv3 to pv1" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 3) $(pv_ 1) &&
pvmove -i1 $(pv_ 3) $(pv_ 1)'
test_expect_success "(cleanup previous test)" \
'lv_is_on_ $vg/$lv1 $(pv_ 1) $(pv_ 2) $(pv_ 1) &&
lv_is_on_ $vg/$lv2 $(pv_ 2) $(pv_ 1) $(pv_ 4) &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_failure "no space available: from pv2:0-0 to pv1:0-0" \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 2):0-0 $(pv_ 1):0-0'
test_expect_success "(cleanup previous test)" \
'lv_not_changed_ $vg/$lv1 &&
lv_not_changed_ $vg/$lv2 &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_failure 'same source and destination: from pv1 to pv1' \
'prepare_lvs_ &&
pvmove -i1 $(pv_ 1) $(pv_ 1)'
test_expect_success "(cleanup previous test)" \
'lv_not_changed_ $vg/$lv1 &&
lv_not_changed_ $vg/$lv2 &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
test_expect_failure "sum of specified destination PEs is large enough, but it includes source PEs and the free PEs are not enough" \
'prepare_lvs_ &&
pvmove --alloc anywhere $(pv_ 1):0-2 $(pv_ 1):0-2 $(pv_ 5):0-0 2> err'
test_expect_success "(cleanup previous test)" \
'grep "Insufficient free space" err &&
lv_not_changed_ $vg/$lv1 &&
lv_not_changed_ $vg/$lv2 &&
lv_not_changed_ $vg/$lv3 &&
check_and_cleanup_lvs_'
# ---------------------------------------------------------------------
test_expect_success "pvmove abort" \
'prepare_lvs_ &&
pvmove -i100 -b $(pv_ 1) $(pv_ 3) &&
pvmove --abort &&
check_and_cleanup_lvs_'
test_done