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lvm2/test/shell/lvconvert-raid-takeover.sh
Zdenek Kabelac 17b56a4aed tests: early detect leaking error dev
lvconvert should not leak 'error' device.

(This patch is not fix the problem, just makes it more easily visible
instead of more confusing 'clvmd' trace).
2017-03-20 14:18:50 +01:00

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#!/bin/sh
# Copyright (C) 2016,2017 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, MA2110-1301 USA
SKIP_WITH_LVMLOCKD=1
SKIP_WITH_LVMPOLLD=1
. lib/inittest
which mkfs.ext4 || skip
aux have_raid 1 9 0 || skip
correct_raid4_layout=0
aux have_raid 1 9 1 && correct_raid4_layout=1
aux prepare_vg 8
# FIXME: lvconvert leaks 'error' devices
detect_error_leak_()
{
local err
dmsetup info -c -o name --noheadings | tee out
if grep $vg out ; then
for i in $(grep $vg out) ; do
if dmsetup table $i | grep "error "; then
err="$err $i"
fi
done
test -z "$err" || {
dmsetup table | grep $vg
dmsetup ls --tree
die "Device(s) $err should not be here."
}
fi
}
function _lvcreate
{
local level=$1
local req_stripes=$2
local stripes=$3
local size=$4
local vg=$5
local lv=$6
lvcreate -y -aey --type $level -i $req_stripes -L $size -n $lv $vg
check lv_field $vg/$lv segtype "$level"
check lv_field $vg/$lv data_stripes $req_stripes
check lv_field $vg/$lv stripes $stripes
mkfs.ext4 "$DM_DEV_DIR/$vg/$lv"
fsck -fn "$DM_DEV_DIR/$vg/$lv"
}
function _lvconvert
{
local req_level=$1
local level=$2
local data_stripes=$3
local stripes=$4
local vg=$5
local lv=$6
local region_size=$7
local wait_and_check=1
local R=""
[ -n "$region_size" ] && R="-R $region_size"
[ "${level:0:7}" = "striped" ] && wait_and_check=0
[ "${level:0:5}" = "raid0" ] && wait_and_check=0
lvconvert -y --ty $req_level $R $vg/$lv
detect_error_leak_
check lv_field $vg/$lv segtype "$level"
check lv_field $vg/$lv data_stripes $data_stripes
check lv_field $vg/$lv stripes $stripes
if [ "$wait_and_check" -eq 1 ]
then
fsck -fn "$DM_DEV_DIR/$vg/$lv"
aux wait_for_sync $vg $lv
fi
fsck -fn "$DM_DEV_DIR/$vg/$lv"
}
function _invalid_raid5_conversions
{
local vg=$1
local lv=$2
not _lvconvert striped 4 4 $vg $lv1
not _lvconvert raid0 raid0 4 4 $vg $lv1
not _lvconvert raid0_meta raid0_meta 4 4 $vg $lv1
not _lvconvert raid4 raid4 4 5 $vg $lv1
not _lvconvert raid5_ls raid5_ls 4 5 $vg $lv1
not _lvconvert raid5_rs raid5_rs 4 5 $vg $lv1
not _lvconvert raid5_la raid5_la 4 5 $vg $lv1
not _lvconvert raid5_ra raid5_ra 4 5 $vg $lv1
not _lvconvert raid6_zr raid6_zr 4 6 $vg $lv1
not _lvconvert raid6_nr raid6_nr 4 6 $vg $lv1
not _lvconvert raid6_nc raid6_nc 4 6 $vg $lv1
not _lvconvert raid6_n_6 raid6_n_6 4 6 $vg $lv1
not _lvconvert raid6 raid6_n_6 4 6 $vg $lv1
}
# Check raid6 conversion constrainst of minimum 3 stripes
_lvcreate striped 2 2 4m $vg $lv1
not _lvconvert raid6 raid6_n_6 2 4 $vg $lv1
lvremove -y $vg
_lvcreate raid0 3 3 4m $vg $lv1
_lvconvert raid6 raid6_n_6 3 5 $vg $lv1
lvremove -y $vg
# Delay 1st leg so that rebuilding status characters
# can be read before resync finished too quick.
# aux delay_dev "$dev1" 1
# Create 3-way mirror
lvcreate --yes -aey --type mirror -R 64K -m 2 -L8M -n $lv1 $vg
check lv_field $vg/$lv1 segtype "mirror"
check lv_field $vg/$lv1 stripes 3
check lv_field $vg/$lv1 regionsize "64.00k"
mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
aux wait_for_sync $vg $lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Convert 3-way to 4-way mirror
lvconvert -m 3 $vg/$lv1
detect_error_leak_
check lv_field $vg/$lv1 segtype "mirror"
check lv_field $vg/$lv1 stripes 4
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
aux wait_for_sync $vg $lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Takeover 4-way mirror to raid1
lvconvert --yes --type raid1 -R 64k $vg/$lv1
detect_error_leak_
check lv_field $vg/$lv1 segtype "raid1"
check lv_field $vg/$lv1 stripes 4
check lv_field $vg/$lv1 regionsize "64.00k"
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
## Convert 4-way raid1 to 5-way
lvconvert -m 4 -R 128K $vg/$lv1
detect_error_leak_
check lv_field $vg/$lv1 segtype "raid1"
check lv_field $vg/$lv1 stripes 5
check lv_field $vg/$lv1 regionsize "128.00k"
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
aux wait_for_sync $vg $lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# FIXME: enable once lvconvert rejects early
## Try converting 4-way raid1 to 9-way
#not lvconvert --yes -m 8 $vg/$lv1
#check lv_field $vg/$lv1 segtype "raid1"
#check lv_field $vg/$lv1 stripes 4
# Convert 5-way raid1 to 2-way
lvconvert --yes -m 1 $vg/$lv1
detect_error_leak_
lvs $vg/$lv1
dmsetup status $vg-$lv1
dmsetup table $vg-$lv1
check lv_field $vg/$lv1 segtype "raid1"
check lv_field $vg/$lv1 stripes 2
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Convert 2-way raid1 to mirror
lvconvert --yes --type mirror -R 32K $vg/$lv1
detect_error_leak_
check lv_field $vg/$lv1 segtype "mirror"
check lv_field $vg/$lv1 stripes 2
check lv_field $vg/$lv1 regionsize "32.00k"
aux wait_for_sync $vg $lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
aux wait_for_sync $vg $lv1
# Clean up
lvremove --yes $vg/$lv1
if [ $correct_raid4_layout -eq 1 ]
then
#
# Start out with raid4
#
# Create 3-way striped raid4 (4 legs total)
_lvcreate raid4 3 4 8M $vg $lv1
aux wait_for_sync $vg $lv1
# Convert raid4 -> striped
not _lvconvert striped striped 3 3 $vg $lv1 512k
_lvconvert striped striped 3 3 $vg $lv1
# Convert striped -> raid4
_lvconvert raid4 raid4 3 4 $vg $lv1 64k
check lv_field $vg/$lv1 regionsize "64.00k"
# Convert raid4 -> raid5_n
_lvconvert raid5 raid5_n 3 4 $vg $lv1 128k
check lv_field $vg/$lv1 regionsize "128.00k"
# Convert raid5_n -> striped
_lvconvert striped striped 3 3 $vg $lv1
# Convert striped -> raid5_n
_lvconvert raid5_n raid5_n 3 4 $vg $lv1
# Convert raid5_n -> raid4
_lvconvert raid4 raid4 3 4 $vg $lv1
# Convert raid4 -> raid0
_lvconvert raid0 raid0 3 3 $vg $lv1
# Convert raid0 -> raid5_n
_lvconvert raid5_n raid5_n 3 4 $vg $lv1
# Convert raid5_n -> raid0_meta
_lvconvert raid0_meta raid0_meta 3 3 $vg $lv1
# Convert raid0_meta -> raid5_n
_lvconvert raid5 raid5_n 3 4 $vg $lv1
# Convert raid4 -> raid0_meta
not _lvconvert raid0_meta raid0_meta 3 3 $vg $lv1 256k
_lvconvert raid0_meta raid0_meta 3 3 $vg $lv1
# Convert raid0_meta -> raid4
_lvconvert raid4 raid4 3 4 $vg $lv1
# Convert raid4 -> raid0
_lvconvert raid0 raid0 3 3 $vg $lv1
# Convert raid0 -> raid4
_lvconvert raid4 raid4 3 4 $vg $lv1
# Convert raid4 -> striped
_lvconvert striped striped 3 3 $vg $lv1
# Convert striped -> raid6_n_6
_lvconvert raid6_n_6 raid6_n_6 3 5 $vg $lv1
# Convert raid6_n_6 -> striped
_lvconvert striped striped 3 3 $vg $lv1
# Convert striped -> raid6_n_6
_lvconvert raid6 raid6_n_6 3 5 $vg $lv1
# Convert raid6_n_6 -> raid5_n
_lvconvert raid5_n raid5_n 3 4 $vg $lv1
# Convert raid5_n -> raid6_n_6
_lvconvert raid6_n_6 raid6_n_6 3 5 $vg $lv1
# Convert raid6_n_6 -> raid4
_lvconvert raid4 raid4 3 4 $vg $lv1
# Convert raid4 -> raid6_n_6
_lvconvert raid6 raid6_n_6 3 5 $vg $lv1
# Convert raid6_n_6 -> raid0
_lvconvert raid0 raid0 3 3 $vg $lv1
# Convert raid0 -> raid6_n_6
_lvconvert raid6_n_6 raid6_n_6 3 5 $vg $lv1
# Convert raid6_n_6 -> raid0_meta
_lvconvert raid0_meta raid0_meta 3 3 $vg $lv1
# Convert raid0_meta -> raid6_n_6
_lvconvert raid6 raid6_n_6 3 5 $vg $lv1
# Convert raid6_n_6 -> striped
not _lvconvert striped striped 3 3 $vg $lv1 128k
_lvconvert striped striped 3 3 $vg $lv1
# Convert striped -> raid10
_lvconvert raid10 raid10 3 6 $vg $lv1
# Convert raid10 -> raid0
not _lvconvert raid0 raid0 3 3 $vg $lv1 64k
_lvconvert raid0 raid0 3 3 $vg $lv1
# Convert raid0 -> raid10
_lvconvert raid10 raid10 3 6 $vg $lv1
# Convert raid10 -> raid0_meta
_lvconvert raid0_meta raid0_meta 3 3 $vg $lv1
# Convert raid0_meta -> raid5
_lvconvert raid5_n raid5_n 3 4 $vg $lv1
# Convert raid5_n -> raid0_meta
_lvconvert raid0_meta raid0_meta 3 3 $vg $lv1
# Convert raid0_meta -> raid10
_lvconvert raid10 raid10 3 6 $vg $lv1
# Convert raid10 -> striped
not _lvconvert striped striped 3 3 $vg $lv1 256k
_lvconvert striped striped 3 3 $vg $lv1
# Clean up
lvremove -y $vg
# Create + convert 4-way raid5 variations
_lvcreate raid5 4 5 8M $vg $lv1
aux wait_for_sync $vg $lv1
_invalid_raid5_conversions $vg $lv1
not _lvconvert raid6_rs_6 raid6_rs_6 4 6 $vg $lv1
not _lvconvert raid6_la_6 raid6_la_6 4 6 $vg $lv1
not _lvconvert raid6_ra_6 raid6_ra_6 4 6 $vg $lv1
_lvconvert raid6_ls_6 raid6_ls_6 4 6 $vg $lv1
_lvconvert raid5_ls raid5_ls 4 5 $vg $lv1
lvremove -y $vg
_lvcreate raid5_ls 4 5 8M $vg $lv1
aux wait_for_sync $vg $lv1
_invalid_raid5_conversions $vg $lv1
not _lvconvert raid6_rs_6 raid6_rs_6 4 6 $vg $lv1
not _lvconvert raid6_la_6 raid6_la_6 4 6 $vg $lv1
not _lvconvert raid6_ra_6 raid6_ra_6 4 6 $vg $lv1
_lvconvert raid6_ls_6 raid6_ls_6 4 6 $vg $lv1
_lvconvert raid5_ls raid5_ls 4 5 $vg $lv1
lvremove -y $vg
_lvcreate raid5_rs 4 5 8M $vg $lv1
aux wait_for_sync $vg $lv1
_invalid_raid5_conversions $vg $lv1
not _lvconvert raid6_ra_6 raid6_ra_6 4 6 $vg $lv1
not _lvconvert raid6_la_6 raid6_la_6 4 6 $vg $lv1
not _lvconvert raid6_ra_6 raid6_ra_6 4 6 $vg $lv1
_lvconvert raid6_rs_6 raid6_rs_6 4 6 $vg $lv1
_lvconvert raid5_rs raid5_rs 4 5 $vg $lv1
lvremove -y $vg
_lvcreate raid5_la 4 5 8M $vg $lv1
aux wait_for_sync $vg $lv1
_invalid_raid5_conversions $vg $lv1
not _lvconvert raid6_ls_6 raid6_ls_6 4 6 $vg $lv1
not _lvconvert raid6_rs_6 raid6_rs_6 4 6 $vg $lv1
not _lvconvert raid6_ra_6 raid6_ra_6 4 6 $vg $lv1
_lvconvert raid6_la_6 raid6_la_6 4 6 $vg $lv1
_lvconvert raid5_la raid5_la 4 5 $vg $lv1
lvremove -y $vg
_lvcreate raid5_ra 4 5 8M $vg $lv1
aux wait_for_sync $vg $lv1
_invalid_raid5_conversions $vg $lv1
not _lvconvert raid6_ls_6 raid6_ls_6 4 6 $vg $lv1
not _lvconvert raid6_rs_6 raid6_rs_6 4 6 $vg $lv1
not _lvconvert raid6_la_6 raid6_la_6 4 6 $vg $lv1
_lvconvert raid6_ra_6 raid6_ra_6 4 6 $vg $lv1
_lvconvert raid5_ra raid5_ra 4 5 $vg $lv1
lvremove -y $vg
else
not lvcreate -y -aey --type raid4 -i 3 -L8M -n $lv4 $vg
not lvconvert -y --ty raid4 $vg/$lv1
not lvconvert -y --ty raid4 $vg/$lv2
fi
vgremove -ff $vg