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#!/bin/sh
# Copyright (C) 2014 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 activation race for raid's --syncaction check
. lib/inittest
# Proper mismatch count 1.5.2+ upstream, 1.3.5 < x < 1.4.0 in RHEL6
aux have_raid 1 3 5 &&
! aux have_raid 1 4 0 ||
aux have_raid 1 5 2 || skip
aux prepare_vg 3
lvcreate -n $lv1 $vg -l1 --type raid1
START=$(get pv_field "$dev2" pe_start --units 1k)
METASIZE=$(get lv_field $vg/${lv1}_rmeta_1 size -a --units 1k)
SEEK=$((${START%\.00k} + ${METASIZE%\.00k}))
# Overwrite some portion of _rimage_1
dd if=/dev/urandom of="$dev2" bs=1K count=1 seek=$SEEK oflag=direct
lvchange --syncaction check $vg/$lv1
check lv_field $vg/$lv1 raid_mismatch_count "128"
# Let's deactivate
lvchange -an $vg/$lv1
# Slow down write by 100ms
aux delay_dev "$dev2" 0 100
lvchange -ay $vg/$lv1
# noone has it open and target is read & running
dmsetup info -c
#sleep 10 < "$DM_DEV_DIR/$vg/$lv1" &
# "check" should find discrepancies but not change them
# 'lvs' should show results
# FIXME
# this looks like some race with 'write' during activation
# and syncaction...
# For now it fails with:
# device-mapper: message ioctl on failed: Device or resource busy
#
should lvchange --syncaction check $vg/$lv1
aux enable_dev "$dev2"
lvs -o+raid_mismatch_count -a $vg
vgremove -ff $vg
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