lvm2/test/shell/lvcreate-usage.sh

#!/bin/sh
# Copyright (C) 2008-2013 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

# 'Exercise some lvcreate diagnostics'

. lib/inittest

aux prepare_pvs 4
aux pvcreate --metadatacopies 0 "$dev1"
vgcreate $vg $(cat DEVICES)

# "lvcreate rejects repeated invocation (run 2 times) (bz178216)" 
lvcreate -n $lv -l 4 $vg 
not lvcreate -n $lv -l 4 $vg
lvremove -ff $vg/$lv
# try to remove it again - should fail (but not segfault)
not lvremove -ff $vg/$lv

# "lvcreate rejects a negative stripe_size"
not lvcreate -L 64m -n $lv -i2 --stripesize -4 $vg 2>err;
grep "Negative stripesize is invalid" err

# 'lvcreate rejects a too-large stripesize'
not lvcreate -L 64m -n $lv -i2 --stripesize 4294967291 $vg 2>err
grep "Stripe size cannot be larger than" err

# 'lvcreate w/single stripe succeeds with diagnostics to stdout' 
lvcreate -L 64m -n $lv -i1 --stripesize 4 $vg 2> err | tee out
grep "Ignoring stripesize argument with single stripe" out
lvdisplay $vg 
lvremove -ff $vg

# 'lvcreate w/default (64KB) stripe size succeeds with diagnostics to stdout'
lvcreate -L 64m -n $lv -i2 $vg > out
grep "Using default stripesize" out
lvdisplay $vg 
check lv_field $vg/$lv stripesize "64.00k"
lvremove -ff $vg

# 'lvcreate rejects an invalid number of stripes' 
not lvcreate -L 64m -n $lv -i129 $vg 2>err
grep "Number of stripes (129) must be between 1 and 128" err

# The case on lvdisplay output is to verify that the LV was not created.
# 'lvcreate rejects an invalid stripe size'
not lvcreate -L 64m -n $lv -i2 --stripesize 3 $vg 2>err
grep "Invalid stripe size" err
test -z "$(lvdisplay $vg)"

# Setting max_lv works. (bz490298)
lvremove -ff $vg
vgchange -l 3 $vg
lvcreate -aey -l1 -n $lv1 $vg
lvcreate -l1 -s -n $lv2 $vg/$lv1
lvcreate -l1 -n $lv3 $vg
not lvcreate -l1 -n $lv4 $vg

lvremove -ff $vg/$lv3
# check snapshot of inactive origin
lvchange -an $vg/$lv1
lvcreate -l1 -s -n $lv3 $vg/$lv1
not lvcreate -l1 -n $lv4 $vg
not lvcreate -l1 --type mirror -m1 -n $lv4 $vg

lvremove -ff $vg/$lv3
lvcreate -aey -l1 --type mirror -m1 -n $lv3 $vg
vgs -o +max_lv $vg
not lvcreate -l1 -n $lv4 $vg
not lvcreate -l1 --type mirror -m1 -n $lv4 $vg

lvconvert -m0 $vg/$lv3
lvconvert -m2 --type mirror -i 1 $vg/$lv3
lvconvert -m1 $vg/$lv3

not vgchange -l 2
vgchange -l 4
vgs $vg

lvremove -ff $vg
vgchange -l 0 $vg

# lvcreate rejects invalid chunksize, accepts between 4K and 512K
# validate origin_size
vgremove -ff $vg
vgcreate $vg $(cat DEVICES)
lvcreate -aey -L 32m -n $lv1 $vg
not lvcreate -L 8m -n $lv2 -s --chunksize 3k $vg/$lv1
not lvcreate -L 8m -n $lv2 -s --chunksize 1024k $vg/$lv1
lvcreate -L 8m -n $lv2 -s --chunksize 4k $vg/$lv1
check lv_field $vg/$lv2 chunk_size "4.00k"
check lv_field $vg/$lv2 origin_size "32.00m"
lvcreate -L 8m -n $lv3 -s --chunksize 512k $vg/$lv1
check lv_field $vg/$lv3 chunk_size "512.00k"
check lv_field $vg/$lv3 origin_size "32.00m"
lvremove -ff $vg
vgchange -l 0 $vg

# regionsize must be
# - nonzero (bz186013)
# - a power of 2 and a multiple of page size
# - <= size of LV
not lvcreate -L 32m -n $lv -R0 $vg 2>err
grep "Non-zero region size must be supplied." err
not lvcreate -L 32m -n $lv -R 11k $vg
not lvcreate -L 32m -n $lv -R 1k $vg
lvcreate -aey -L 32m -n $lv --regionsize 128m  --type mirror -m 1 $vg
check lv_field $vg/$lv regionsize "32.00m"
lvremove -ff $vg
lvcreate -aey -L 32m -n $lv --regionsize 4m --type mirror -m 1 $vg
check lv_field $vg/$lv regionsize "4.00m"
lvremove -ff $vg

# snapshot with virtual origin works
lvcreate -s --virtualoriginsize 64m -L 32m -n $lv1 $vg
lvrename $vg/$lv1 $vg/$lv2
lvcreate -s --virtualoriginsize 64m -L 32m -n $lv1 $vg
lvchange -a n $vg/$lv1
lvremove -ff $vg/$lv1
lvremove -ff $vg

# readahead default (auto), none, #, auto
lvcreate -L 32m -n $lv $vg
check lv_field $vg/$lv lv_read_ahead "auto"
lvremove -ff $vg
lvcreate -L 32m -n $lv --readahead none $vg
check lv_field $vg/$lv lv_read_ahead "0"
check lv_field $vg/$lv lv_kernel_read_ahead "0"
lvremove -ff $vg
lvcreate -L 32m -n $lv --readahead 8k $vg
check lv_field $vg/$lv lv_read_ahead "8.00k"
check lv_field $vg/$lv lv_kernel_read_ahead "8.00k"
lvremove -ff $vg
lvcreate -L 32m -n $lv --readahead auto $vg
check lv_field $vg/$lv lv_read_ahead "auto"
check lv_field $vg/$lv lv_kernel_read_ahead "128.00k"
lvremove -ff $vg
lvcreate -L 32m -n $lv -i2 --stripesize 16k --readahead auto $vg
check lv_field $vg/$lv lv_read_ahead "auto"
check lv_field $vg/$lv lv_kernel_read_ahead "128.00k"
lvremove -ff $vg
lvcreate -L 32m -n $lv -i2 --stripesize 128k --readahead auto $vg
check lv_field $vg/$lv lv_read_ahead "auto"
check lv_field $vg/$lv lv_kernel_read_ahead "512.00k"
lvremove -ff $vg

# prohibited names
for i in pvmove snapshot ; do
	invalid lvcreate -l1 -n ${i}1 $vg
done
for i in _cdata _cmeta _mimage _mlog _pmspare _tdata _tmeta _vorigin ; do
	invalid lvcreate -l1 -n s_${i}_1 $vg
done