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#!/bin/bash
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# Basic usage of zero target
SKIP_WITH_LVMPOLLD=1
. lib/inittest
which md5sum || skip
aux prepare_pvs 1
vgcreate -s 256k $vg $(cat DEVICES)
lvcreate --type zero -L1 -n $lv1 $vg
lvextend -L+1 $vg/$lv1
sum1=$(dd if=/dev/zero bs=2M count=1 | md5sum | cut -f1 -d' ')
sum2=$(dd if="$DM_DEV_DIR/$vg/$lv1" bs=2M count=1 | md5sum | cut -f1 -d' ')
# has to match
test "$sum1" = "$sum2"
check lv_field $vg/$lv1 lv_modules "zero"
check lv_field $vg/$lv1 segtype "zero"
check lv_field $vg/$lv1 seg_count "1"
check lv_field $vg/$lv1 seg_size_pe "8" # 8 * 256
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