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lvm2/test/shell/lvconvert-raid-reshape-stripes-load-reload.sh
Zdenek Kabelac 9a33388c1a tests: race on md raid still being hit on 5.12-rc6
Still hits the race in initialization:

kernel BUG at drivers/md/raid5.c:7549!
invalid opcode: 0000 [#1] SMP PTI
CPU: 0 PID: 525149 Comm: dmsetup Tainted: G           OEi
    --------- ---  5.12.0-0.rc6.184.fc35.x86_64 #1
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2007
RIP: 0010:raid5_run+0x40b/0x4b0 [raid456]
Code: 00 8b 83 3c 01 00 00 39 83 bc 00 00 00 0f 85 ac 00 00 00
      48 c7 44 24 08 00 00 00 00 8b bb 30 01 00 00 85 ff 0f 84
      88 fd ff ff <0f> 0b 48 8b 43 48 48 c7 c6 40 93 92 c0 48
      c7 c7 70 2c 93 c0 48 85
Call Trace:
 md_run+0x4d6/0xbc0
 ? super_validate+0x2e1/0x4b0 [dm_raid]
 raid_ctr+0x133e/0x281b [dm_raid]
 dm_table_add_target+0x167/0x330
 table_load+0x103/0x350
 ctl_ioctl+0x1b4/0x430
 ? dev_suspend+0x2c0/0x2c0
 dm_ctl_ioctl+0xa/0x10
 __x64_sys_ioctl+0x82/0xb0
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xae
2021-04-12 12:04:50 +02:00

104 lines
2.5 KiB
Bash

#!/usr/bin/env bash
# Copyright (C) 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_LVMPOLLD=1
. lib/inittest
# Test reshaping under io load
which md5sum || skip
which mkfs.ext4 || skip
aux have_raid 1 14 || skip
mount_dir="mnt"
cleanup_mounted_and_teardown()
{
umount "$mount_dir" || true
aux teardown
}
checksum_()
{
md5sum "$1" | cut -f1 -d' '
}
aux prepare_pvs 16 32
get_devs
vgcreate $SHARED -s 1M "$vg" "${DEVICES[@]}"
trap 'cleanup_mounted_and_teardown' EXIT
# Create 10-way striped raid5 (11 legs total)
lvcreate --yes --type raid5_ls --stripesize 64K --stripes 10 -L4 -n$lv1 $vg
check lv_first_seg_field $vg/$lv1 segtype "raid5_ls"
check lv_first_seg_field $vg/$lv1 stripesize "64.00k"
check lv_first_seg_field $vg/$lv1 data_stripes 10
check lv_first_seg_field $vg/$lv1 stripes 11
wipefs -a "$DM_DEV_DIR/$vg/$lv1"
mkfs -t ext4 "$DM_DEV_DIR/$vg/$lv1"
mkdir -p "$mount_dir"
mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
echo 3 >/proc/sys/vm/drop_caches
# FIXME: This is filling up ram disk. Use sane amount of data please! Rate limit the data written!
dd if=/dev/urandom of="$mount_dir/random" bs=1M count=4 conv=fdatasync
checksum_ "$mount_dir/random" >MD5
# FIXME: wait_for_sync - is this really testing anything under load?
aux wait_for_sync $vg $lv1
aux delay_dev "$dev2" 0 200
# Reshape it to 15 data stripes
lvconvert --yes --stripes 15 $vg/$lv1
check lv_first_seg_field $vg/$lv1 segtype "raid5_ls"
check lv_first_seg_field $vg/$lv1 stripesize "64.00k"
check lv_first_seg_field $vg/$lv1 data_stripes 15
check lv_first_seg_field $vg/$lv1 stripes 16
# Reload table during reshape to test for data corruption
case "$(uname -r)" in
5.[89]*|5.1[012].*|3.10.0-862*|4.18.0-*.el8*)
should not echo "Skipping table reload test on on unfixed kernel!!!" ;;
*)
for i in {0..5}
do
dmsetup table $vg-$lv1|dmsetup load $vg-$lv1
dmsetup suspend --noflush $vg-$lv1
dmsetup resume $vg-$lv1
sleep 0.3
done
esac
aux delay_dev "$dev2" 0
kill -9 %% || true
wait
checksum_ "$mount_dir/random" >MD5_new
umount "$mount_dir"
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Compare checksum is matching
cat MD5 MD5_new
diff MD5 MD5_new
vgremove -ff $vg