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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/test
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# 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
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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
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dd if = /dev/urandom of = " $dev2 " bs = 1K count = 1 seek = $SEEK oflag = direct
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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
#
lvchange --syncaction check $vg /$lv1
aux enable_dev " $dev2 "
lvs -o+raid_mismatch_count -a $vg
vgremove -ff $vg
