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#!/usr/bin/env bash
# Copyright (C) 2018 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
# Test single lv cache options
SKIP_WITH_LVMPOLLD = 1
. lib/inittest
mkfs_mount_umount( )
{
lvt = $1
mkfs.xfs -f -s size = 4096 " $DM_DEV_DIR / $vg / $lvt "
mount " $DM_DEV_DIR / $vg / $lvt " " $mount_dir "
cp pattern1 " $mount_dir /pattern1 "
dd if = /dev/zero of = " $mount_dir /zeros2M " bs = 1M count = 32 conv = fdatasync
umount " $mount_dir "
}
mount_umount( )
{
lvt = $1
mount " $DM_DEV_DIR / $vg / $lvt " " $mount_dir "
diff pattern1 " $mount_dir /pattern1 "
dd if = " $mount_dir /zeros2M " of = /dev/null bs = 1M count = 32
umount " $mount_dir "
}
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aux have_writecache 1 0 0 || skip
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which mkfs.xfs || skip
mount_dir = "mnt"
mkdir -p " $mount_dir "
# generate random data
dd if = /dev/urandom of = pattern1 bs = 512K count = 1
aux prepare_devs 4
vgcreate $SHARED $vg " $dev1 " " $dev2 " " $dev3 " " $dev4 "
lvcreate -n $lv1 -l 16 -an $vg " $dev1 " " $dev4 "
lvcreate -n $lv2 -l 4 -an $vg " $dev2 "
#
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# split while inactive
#
lvconvert -y --type writecache --cachevol $lv2 $vg /$lv1
lvchange -ay $vg /$lv1
mkfs_mount_umount $lv1
lvchange -an $vg /$lv1
lvconvert --splitcache $vg /$lv1
lvs -o segtype $vg /$lv1 | grep linear
lvs -o segtype $vg /$lv2 | grep linear
lvchange -ay $vg /$lv1
mount_umount $lv1
lvchange -an $vg /$lv1
#
# split while active
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#
lvconvert -y --type writecache --cachevol $lv2 $vg /$lv1
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lvchange -ay $vg /$lv1
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mkfs_mount_umount $lv1
lvconvert --splitcache $vg /$lv1
lvs -o segtype $vg /$lv1 | grep linear
lvs -o segtype $vg /$lv2 | grep linear
mount_umount $lv1
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lvchange -an $vg /$lv1
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#
# split while cachevol is missing
#
lvconvert -y --type writecache --cachevol $lv2 $vg /$lv1
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lvchange -ay $vg /$lv1
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mkfs_mount_umount $lv1
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lvchange -an $vg /$lv1
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aux disable_dev " $dev2 "
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lvs -a -o+lv_health_status $vg | tee out
grep $lv1 out | grep partial
grep $lv2 out | grep partial
check lv_attr_bit health $vg /$lv1 "p"
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not lvconvert --splitcache $vg /$lv1
lvconvert --splitcache --force --yes $vg /$lv1
lvs -o segtype $vg /$lv1 | grep linear
aux enable_dev " $dev2 "
lvs -o segtype $vg /$lv2 | grep linear
vgck --updatemetadata $vg
lvs $vg
vgchange -an $vg
vgextend --restoremissing $vg " $dev2 "
#
# split while cachevol has 1 of 2 PVs
#
lvremove $vg /$lv2
lvcreate -n $lv2 -l 14 -an $vg " $dev2 " " $dev3 "
lvconvert -y --type writecache --cachevol $lv2 $vg /$lv1
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lvchange -ay $vg /$lv1
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mkfs_mount_umount $lv1
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lvchange -an $vg /$lv1
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aux disable_dev " $dev3 "
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lvs -a -o+lv_health_status $vg | tee out
grep $lv1 out | grep partial
grep $lv2 out | grep partial
check lv_attr_bit health $vg /$lv1 "p"
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not lvconvert --splitcache $vg /$lv1
lvconvert --splitcache --force --yes $vg /$lv1
lvs -o segtype $vg /$lv1 | grep linear
aux enable_dev " $dev3 "
lvs -o segtype $vg /$lv2 | grep linear
vgck --updatemetadata $vg
lvs $vg
vgchange -an $vg
vgextend --restoremissing $vg " $dev3 "
vgremove -ff $vg
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#
# splitcache when origin is raid
#
vgcreate $vg " $dev1 " " $dev2 " " $dev3 " " $dev4 "
lvcreate --type raid1 -m1 -L6 -n $lv1 -an $vg " $dev1 " " $dev2 "
lvcreate -L6 -n $lv2 -an $vg " $dev3 "
lvconvert -y --type writecache --cachevol $lv2 $vg /$lv1
lvchange -ay $vg /$lv1
lvchange -an $vg /$lv1
lvconvert --splitcache $vg /$lv1
lvs $vg /$lv1
lvs $vg /$lv2
vgremove -ff $vg
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#
# vgsplit should not separate cachevol from main lv
#
vgcreate $vg " $dev1 " " $dev2 " " $dev3 " " $dev4 "
lvcreate -L6 -n $lv1 -an $vg " $dev2 "
lvcreate -L6 -n $lv2 -an $vg " $dev3 "
lvconvert -y --type writecache --cachevol $lv2 $vg /$lv1
fail vgsplit $vg $vg1 " $dev2 "
fail vgsplit $vg $vg1 " $dev3 "
lvremove $vg /$lv1
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vgremove $vg
#
# uncache
#
vgcreate $SHARED $vg " $dev1 " " $dev2 " " $dev3 " " $dev4 "
# while inactive
lvcreate -n $lv1 -l 16 -an $vg " $dev1 " " $dev4 "
lvcreate -n $lv2 -l 4 -an $vg " $dev2 "
lvconvert -y --type writecache --cachevol $lv2 $vg /$lv1
lvchange -ay $vg /$lv1
mkfs_mount_umount $lv1
lvchange -an $vg /$lv1
lvconvert --uncache $vg /$lv1
lvs -o segtype $vg /$lv1 | grep linear
not lvs $vg /$lv2
lvchange -ay $vg /$lv1
mount_umount $lv1
lvchange -an $vg /$lv1
lvremove -y $vg /$lv1
# while active
lvcreate -n $lv1 -l 16 -an $vg " $dev1 " " $dev4 "
lvcreate -n $lv2 -l 4 -an $vg " $dev2 "
lvconvert -y --type writecache --cachevol $lv2 $vg /$lv1
lvchange -ay $vg /$lv1
mkfs_mount_umount $lv1
lvconvert --uncache $vg /$lv1
lvs -o segtype $vg /$lv1 | grep linear
not lvs $vg /$lv2
lvchange -an $vg /$lv1
lvchange -ay $vg /$lv1
mount_umount $lv1
lvchange -an $vg /$lv1
lvremove -y $vg /$lv1
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vgremove -ff $vg