lvm2/test/shell/lvcreate-thin.sh

#!/bin/sh

# Copyright (C) 2011-2013 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 currently needs to drop
# 'return NULL' in _lv_create_an_lv after log_error("Can't create %s without using "

. lib/test

check_lv_field_modules_()
{
	mod=$1
	shift

	for d in $*; do
		check lv_field $vg/$d modules $mod
	done
}

#
# Main
#
aux have_thin 1 0 0 || skip
which mkfs.ext4 || skip

aux prepare_pvs 2 64

vgcreate $vg -s 64K $(cat DEVICES)

# Create named pool only
lvcreate -l1 -T $vg/pool1
lvcreate -l1 -T --thinpool $vg/pool2
lvcreate -l1 -T --thinpool pool3 $vg
lvcreate -l1 --type thin $vg/pool4
lvcreate -l1 --type thin --thinpool $vg/pool5
lvcreate -l1 --type thin --thinpool pool6 $vg
lvcreate -l1 --type thin-pool $vg/pool7
lvcreate -l1 --type thin-pool --thinpool $vg/pool8
lvcreate -l1 --type thin-pool --thinpool pool9 $vg

lvremove -ff $vg/pool1 $vg/pool2 $vg/pool3 $vg/pool4 $vg/pool5 $vg/pool6 $vg/pool7 $vg/pool8 $vg/pool9
check vg_field $vg lv_count 0


# Create default pool name
lvcreate -l1 -T $vg
lvcreate -l1 --type thin $vg
lvcreate -l1 --type thin-pool $vg

lvremove -ff $vg
check vg_field $vg lv_count 0


# Create default pool and default thin LV
lvcreate -l1 -V2G -T $vg
lvcreate -l1 -V2G --type thin $vg

lvremove -ff $vg


# Create named pool and default thin LV
lvcreate -L4M -V2G --name lvo1 -T $vg/pool1
lvcreate -L4M -V2G --name lvo2 -T --thinpool $vg/pool2
lvcreate -L4M -V2G --name lvo3 -T --thinpool pool3 $vg
lvcreate -L4M -V2G --name lvo4 --type thin $vg/pool4
lvcreate -L4M -V2G --name lvo5 --type thin --thinpool $vg/pool5
lvcreate -L4M -V2G --name lvo6 --type thin --thinpool pool6 $vg

check lv_exists $vg lvo1 lvo2 lvo3 lvo4 lvo5 lvo6
lvremove -ff $vg


# Create named pool and named thin LV
lvcreate -L4M -V2G -T $vg/pool1 --name lv1
lvcreate -L4M -V2G -T $vg/pool2 --name $vg/lv2
lvcreate -L4M -V2G -T --thinpool $vg/pool3 --name lv3
lvcreate -L4M -V2G -T --thinpool $vg/pool4 --name $vg/lv4
lvcreate -L4M -V2G -T --thinpool pool5 --name lv5 $vg
lvcreate -L4M -V2G -T --thinpool pool6 --name $vg/lv6 $vg

check lv_exists $vg lv1 lv2 lv3 lv4 lv5 lv6
lvremove -ff $vg


lvcreate -L4M -V2G --type thin $vg/pool1 --name lv1
lvcreate -L4M -V2G --type thin $vg/pool2 --name $vg/lv2
lvcreate -L4M -V2G --type thin --thinpool $vg/pool3 --name lv3
lvcreate -L4M -V2G --type thin --thinpool $vg/pool4 --name $vg/lv4
lvcreate -L4M -V2G --type thin --thinpool pool5 --name lv5 $vg
lvcreate -L4M -V2G --type thin --thinpool pool6 --name $vg/lv6 $vg

check lv_exists $vg lv1 lv2 lv3 lv4 lv5 lv6
lvremove -ff $vg


# Create default thin LV in existing pool
lvcreate -L4M -T $vg/pool
lvcreate -V2G --name lvo0 -T $vg/pool
lvcreate -V2G --name lvo1 -T --thinpool $vg/pool
lvcreate -V2G --name lvo2 -T --thinpool pool $vg
lvcreate -V2G --name lvo3 --type thin $vg/pool
lvcreate -V2G --name lvo4 --type thin --thinpool $vg/pool
lvcreate -V2G --name lvo5 --type thin --thinpool pool $vg

check lv_exists $vg lvo0 lvo1 lvo2 lvo3 lvo4 lvo5


# Create named thin LV in existing pool
lvcreate -V2G -T $vg/pool --name lv1
lvcreate -V2G -T $vg/pool --name $vg/lv2
lvcreate -V2G -T --thinpool $vg/pool --name lv3
lvcreate -V2G -T --thinpool $vg/pool --name $vg/lv4
lvcreate -V2G -T --thinpool pool --name lv5 $vg
lvcreate -V2G -T --thinpool pool --name $vg/lv6 $vg
lvcreate -V2G --type thin $vg/pool --name lv7
lvcreate -V2G --type thin $vg/pool --name $vg/lv8
lvcreate -V2G --type thin --thinpool $vg/pool --name lv9
lvcreate -V2G --type thin --thinpool $vg/pool --name $vg/lv10
lvcreate -V2G --type thin --thinpool pool --name lv11 $vg
lvcreate -V2G --type thin --thinpool pool --name $vg/lv12 $vg

check lv_exists $vg lv1 lv2 lv3 lv4 lv5 lv6 lv7 lv8 lv9 lv10 lv11 lv12
check vg_field $vg lv_count 19
check lv_field $vg/lv1 thin_id 7

lvremove -ff $vg
check vg_field $vg lv_count 0

# Create thin snapshot of thinLV
lvcreate -L10M -V10M -T $vg/pool --name lv1
mkfs.ext4 "$DM_DEV_DIR/$vg/lv1"
lvcreate -K -s $vg/lv1 --name snap_lv1
fsck -n "$DM_DEV_DIR/$vg/snap_lv1"
lvcreate -s $vg/lv1 --name lv2
lvcreate -s $vg/lv1 --name $vg/lv3
lvcreate --type snapshot $vg/lv1 --name lv6
lvcreate --type snapshot $vg/lv1 --name lv4
lvcreate --type snapshot $vg/lv1 --name $vg/lv5

check_lv_field_modules_ thin-pool,thin lv1 snap_lv1 lv2 lv3 lv4 lv5 lv6
check vg_field $vg lv_count 8
lvremove -ff $vg


# Normal Snapshots of thinLV
lvcreate -L4M -V2G -T $vg/pool --name lv1
lvcreate -s $vg/lv1 -l1 --name snap_lv1
lvcreate -s $vg/lv1 -l1 --name lv2
lvcreate -s $vg/lv1 -l1 --name $vg/lv3
lvcreate -s lv1 -L4M --name $vg/lv4

check_lv_field_modules_ snapshot snap_lv1 lv2 lv3 lv4
check vg_field $vg lv_count 6

lvremove -ff $vg
check vg_field $vg lv_count 0

lvdisplay $vg

# Fail cases
# Too small pool size (1 extent 64KB) for given chunk size
not lvcreate --chunksize 256 -l1 -T $vg/pool1
# Too small chunk size (min is 64KB -  128 sectors)
not lvcreate --chunksize 32 -l1 -T $vg/pool1
# Too large chunk size (max is 1GB)
not lvcreate -L4M --chunksize 2G -T $vg/pool1

# Test creation of inactive pool
lvcreate -an -L4M -T $vg/pool1
lvcreate -V2G --name lv1 -T $vg/pool1
# Check we are able remove spare volume if we want to
lvremove -f $vg/lvol0_pmspare

# Origin name is not accepted
not lvcreate -s $vg/lv1 -L4M -V2G --name $vg/lv4

# Check we cannot create mirror/raid1 and thin or thinpool together
not lvcreate -T mirpool -L4M --alloc anywhere -m1 $vg
not lvcreate --thinpool mirpool -L4M --alloc anywhere -m1 $vg

vgremove -ff $vg

# Test --poolmetadatasize range
# allocating large devices for testing
aux teardown_devs
aux prepare_pvs 10 16500
vgcreate $vg -s 64K $(cat DEVICES)

lvcreate -L4M --chunksize 128 --poolmetadatasize 0 -T $vg/pool1 2>out
grep "WARNING: Minimum" out
# FIXME: metadata allocation fails, if PV doesn't have at least 16GB
# i.e. pool metadata device cannot be multisegment
lvcreate -L4M --chunksize 64k --poolmetadatasize 17G -T $vg/pool2 2>out
grep "WARNING: Maximum" out
check lv_field $vg/pool1_tmeta size "2.00m"
check lv_field $vg/pool2_tmeta size "16.00g"
lvremove -ff $vg

# Test automatic calculation of pool metadata size
lvcreate -L160G -T $vg/pool
check lv_field $vg/pool lv_metadata_size "80.00m"
check lv_field $vg/pool chunksize        "128.00k"
lvremove -ff $vg/pool

lvcreate -L10G --chunksize 256 -T $vg/pool1
lvcreate -L60G --chunksize 1024 -T $vg/pool2
check lv_field $vg/pool1_tmeta size "2.50m"
check lv_field $vg/pool2_tmeta size "3.75m"
vgremove -ff $vg