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#!/usr/bin/env bash
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# Copyright (C) 2018 Red Hat, Inc. All rights reserved.
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#
# 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
# Test single lv cache
SKIP_WITH_LVMPOLLD = 1
. lib/inittest
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aux have_cache 1 10 0 || skip
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which mkfs.xfs || skip
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mount_dir = "mnt"
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mkdir -p " $mount_dir "
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# generate random data
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dd if = /dev/urandom of = pattern1 bs = 512K count = 1
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aux prepare_devs 2 64
vgcreate $SHARED $vg " $dev1 "
vgextend $vg " $dev2 "
lvcreate -n $lv1 -l 8 -an $vg " $dev1 "
lvcreate -n $lv2 -l 4 -an $vg " $dev2 "
# test1: create fs on LV before cache is attached
lvchange -ay $vg /$lv1
mkfs.xfs -f -s size = 4096 " $DM_DEV_DIR / $vg / $lv1 "
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mount " $DM_DEV_DIR / $vg / $lv1 " " $mount_dir "
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cp pattern1 " $mount_dir /pattern1 "
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umount " $mount_dir "
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lvchange -an $vg /$lv1
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lvconvert -y --type cache --cachevol $lv2 $vg /$lv1
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check lv_field $vg /$lv1 segtype cache
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lvs -a $vg /${ lv2 } _cvol --noheadings -o segtype >out
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grep linear out
lvchange -ay $vg /$lv1
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mount " $DM_DEV_DIR / $vg / $lv1 " " $mount_dir "
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diff pattern1 " $mount_dir /pattern1 "
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cp pattern1 " $mount_dir /pattern1b "
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ls -l " $mount_dir "
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umount " $mount_dir "
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lvchange -an $vg /$lv1
lvconvert --splitcache $vg /$lv1
check lv_field $vg /$lv1 segtype linear
check lv_field $vg /$lv2 segtype linear
lvchange -ay $vg /$lv1
lvchange -ay $vg /$lv2
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mount " $DM_DEV_DIR / $vg / $lv1 " " $mount_dir "
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ls -l " $mount_dir "
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diff pattern1 " $mount_dir /pattern1 "
diff pattern1 " $mount_dir /pattern1b "
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umount " $mount_dir "
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lvchange -an $vg /$lv1
lvchange -an $vg /$lv2
# test2: create fs on LV after cache is attached
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lvconvert -y --type cache --cachevol $lv2 $vg /$lv1
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check lv_field $vg /$lv1 segtype cache
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lvs -a $vg /${ lv2 } _cvol --noheadings -o segtype >out
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grep linear out
lvchange -ay $vg /$lv1
mkfs.xfs -f -s size = 4096 " $DM_DEV_DIR / $vg / $lv1 "
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mount " $DM_DEV_DIR / $vg / $lv1 " " $mount_dir "
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cp pattern1 " $mount_dir /pattern1 "
ls -l " $mount_dir "
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umount " $mount_dir "
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lvchange -an $vg /$lv1
lvconvert --splitcache $vg /$lv1
check lv_field $vg /$lv1 segtype linear
check lv_field $vg /$lv2 segtype linear
lvchange -ay $vg /$lv1
lvchange -ay $vg /$lv2
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mount " $DM_DEV_DIR / $vg / $lv1 " " $mount_dir "
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ls -l " $mount_dir "
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diff pattern1 " $mount_dir /pattern1 "
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umount " $mount_dir "
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lvchange -an $vg /$lv1
lvchange -an $vg /$lv2
vgremove -ff $vg