mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
cb54d0801d
A cachevol can be forcibly detached when it's missing devices. Also allow this if it's damaged/invalid and unrepairable. This would be needed to recover data from the origin LV after a cachevol is lost or damaged beyond repair.
266 lines
5.4 KiB
Bash
266 lines
5.4 KiB
Bash
#!/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"
|
|
}
|
|
|
|
aux have_writecache 1 0 0 || skip
|
|
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"
|
|
|
|
#
|
|
# 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
|
|
#
|
|
|
|
lvconvert -y --type writecache --cachevol $lv2 $vg/$lv1
|
|
|
|
lvchange -ay $vg/$lv1
|
|
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
|
|
lvchange -an $vg/$lv1
|
|
|
|
#
|
|
# split while cachevol is missing
|
|
#
|
|
|
|
lvconvert -y --type writecache --cachevol $lv2 $vg/$lv1
|
|
|
|
lvchange -ay $vg/$lv1
|
|
mkfs_mount_umount $lv1
|
|
lvchange -an $vg/$lv1
|
|
|
|
aux disable_dev "$dev2"
|
|
|
|
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"
|
|
|
|
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
|
|
|
|
lvchange -ay $vg/$lv1
|
|
mkfs_mount_umount $lv1
|
|
lvchange -an $vg/$lv1
|
|
|
|
aux disable_dev "$dev3"
|
|
|
|
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"
|
|
|
|
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
|
|
|
|
#
|
|
# split while cachevol is damaged
|
|
#
|
|
|
|
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4"
|
|
|
|
lvcreate -n $lv1 -l 16 -an $vg "$dev1" "$dev4"
|
|
lvcreate -n $lv2 -l 4 -an $vg "$dev2"
|
|
|
|
lvchange -ay $vg/$lv1
|
|
|
|
mkfs_mount_umount $lv1
|
|
|
|
lvconvert -y --type writecache --cachevol $lv2 $vg/$lv1
|
|
|
|
mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
|
|
diff pattern1 "$mount_dir/pattern1"
|
|
cp pattern1 "$mount_dir/pattern2"
|
|
umount "$mount_dir"
|
|
lvchange -an $vg/$lv1
|
|
|
|
dd if=/dev/zero of="$dev2" seek=1 bs=1M count=16
|
|
|
|
lvconvert --splitcache --force --yes $vg/$lv1
|
|
|
|
lvchange -ay $vg/$lv1
|
|
|
|
mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
|
|
diff pattern1 "$mount_dir/pattern1"
|
|
umount "$mount_dir"
|
|
lvchange -an $vg/$lv1
|
|
|
|
vgremove -ff $vg
|
|
|
|
#
|
|
# 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
|
|
|
|
#
|
|
# 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
|
|
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
|
|
|
|
vgremove -ff $vg
|