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lvm2/test/t-vgcreate-usage.sh
Milan Broz e357c9fc0c Explicitly use non-clustered vgcreate in test.
(So the tests can run under cluster locking and do not require
cluster mirror or snapshots.)

Add vgscan before block device readahead change
(flush long running process - clvmd - dev cache.)
2009-12-28 18:33:04 +00:00

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#!/bin/sh
# Copyright (C) 2008 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_description='Exercise some vgcreate diagnostics'
. ./test-utils.sh
aux prepare_devs 3
pvcreate $dev1 $dev2
pvcreate --metadatacopies 0 $dev3
#COMM 'vgcreate accepts 8.00m physicalextentsize for VG'
vgcreate -c n $vg --physicalextentsize 8.00m $dev1 $dev2
check_vg_field_ $vg vg_extent_size 8.00m
vgremove $vg
# try vgck and to remove it again - should fail (but not segfault)
not vgremove $vg
not vgck $vg
#COMM 'vgcreate accepts smaller (128) maxlogicalvolumes for VG'
vgcreate -c n $vg --maxlogicalvolumes 128 $dev1 $dev2
check_vg_field_ $vg max_lv 128
vgremove $vg
#COMM 'vgcreate accepts smaller (128) maxphysicalvolumes for VG'
vgcreate -c n $vg --maxphysicalvolumes 128 $dev1 $dev2
check_vg_field_ $vg max_pv 128
vgremove $vg
#COMM 'vgcreate rejects a zero physical extent size'
not vgcreate -c n --physicalextentsize 0 $vg $dev1 $dev2 2>err
grep "^ Physical extent size may not be zero\$" err
#COMM 'vgcreate rejects "inherit" allocation policy'
not vgcreate -c n --alloc inherit $vg $dev1 $dev2 2>err
grep "^ Volume Group allocation policy cannot inherit from anything\$" err
#COMM 'vgcreate rejects vgname "."'
vginvalid=.;
not vgcreate -c n $vginvalid $dev1 $dev2 2>err
grep "New volume group name \"$vginvalid\" is invalid\$" err
#COMM 'vgcreate rejects vgname greater than 128 characters'
vginvalid=thisnameisridiculouslylongtotestvalidationcodecheckingmaximumsizethisiswhathappenswhenprogrammersgetboredandorarenotcreativedonttrythisathome
not vgcreate -c n $vginvalid $dev1 $dev2 2>err
grep "New volume group name \"$vginvalid\" is invalid\$" err
#COMM 'vgcreate rejects already existing vgname "/tmp/$vg"'
#touch /tmp/$vg
#not vgcreate $vg $dev1 $dev2 2>err
#grep "New volume group name \"$vg\" is invalid\$" err
#COMM "vgcreate rejects repeated invocation (run 2 times) (bz178216)"
vgcreate -c n $vg $dev1 $dev2
not vgcreate -c n $vg $dev1 $dev2
vgremove -ff $vg
#COMM 'vgcreate rejects MaxLogicalVolumes > 255'
not vgcreate -c n --metadatatype 1 --maxlogicalvolumes 1024 $vg $dev1 $dev2 2>err
grep "^ Number of volumes may not exceed 255\$" err
#COMM "vgcreate fails when the only pv has --metadatacopies 0"
not vgcreate -c n $vg $dev3
# Test default (4MB) vg_extent_size as well as limits of extent_size
not vgcreate -c n --physicalextentsize 0k $vg $dev1 $dev2
vgcreate -c n --physicalextentsize 1k $vg $dev1 $dev2
check_vg_field_ $vg vg_extent_size 1.00k
vgremove -ff $vg
not vgcreate -c n --physicalextentsize 3K $vg $dev1 $dev2
not vgcreate -c n --physicalextentsize 1024t $vg $dev1 $dev2
#not vgcreate --physicalextentsize 1T $vg $dev1 $dev2
# FIXME: vgcreate allows physicalextentsize larger than pv size!
# Test default max_lv, max_pv, extent_size, alloc_policy, clustered
vgcreate -c n $vg $dev1 $dev2
check_vg_field_ $vg vg_extent_size 4.00m
check_vg_field_ $vg max_lv 0
check_vg_field_ $vg max_pv 0
check_vg_field_ $vg vg_attr "wz--n-"
vgremove -ff $vg
# Implicit pvcreate tests, test pvcreate options on vgcreate
# --force, --yes, --metadata{size|copies|type}, --zero
# --dataalignment[offset]
pvremove $dev1 $dev2
vgcreate -c n --force --yes --zero y $vg $dev1 $dev2
vgremove -f $vg
pvremove -f $dev1
for i in 0 1 2 3
do
# vgcreate (lvm2) succeeds writing LVM label at sector $i
vgcreate -c n --labelsector $i $vg $dev1
dd if=$dev1 bs=512 skip=$i count=1 2>/dev/null | strings | grep -q LABELONE;
vgremove -f $vg
pvremove -f $dev1
done
# pvmetadatacopies
for i in 1 2
do
vgcreate -c n --pvmetadatacopies $i $vg $dev1
check_pv_field_ $dev1 pv_mda_count $i
vgremove -f $vg
pvremove -f $dev1
done
not vgcreate -c n --metadatacopies 0 $vg $dev1
pvcreate --metadatacopies 1 $dev2
vgcreate -c n --pvmetadatacopies 0 $vg $dev1 $dev2
check_pv_field_ $dev1 pv_mda_count 0
check_pv_field_ $dev2 pv_mda_count 1
vgremove -f $vg
pvremove -f $dev1
# metadatasize, dataalignment, dataalignmentoffset
#COMM 'pvcreate sets data offset next to mda area'
vgcreate -c n --metadatasize 100k --dataalignment 100k $vg $dev1
check_pv_field_ $dev1 pe_start 200.00k
vgremove -f $vg
pvremove -f $dev1
# data area is aligned to 64k by default,
# data area start is shifted by the specified alignment_offset
pv_align="195.50k"
vgcreate -c n --metadatasize 128k --dataalignmentoffset 7s $vg $dev1
check_pv_field_ $dev1 pe_start $pv_align
vgremove -f $vg
pvremove -f $dev1
# metadatatype
for i in 1 2
do
vgcreate -c n -M $i $vg $dev1
check_vg_field_ $vg vg_fmt lvm$i
vgremove -f $vg
pvremove -f $dev1
done
# vgcreate fails if pv belongs to existing vg
vgcreate -c n $vg1 $dev1 $dev2
not vgcreate $vg2 $dev2
vgremove -f $vg1
pvremove -f $dev1 $dev2
# all PVs exist in the VG after created
pvcreate $dev1
vgcreate -c n $vg1 $dev1 $dev2 $dev3
check_pv_field_ $dev1 vg_name $vg1
check_pv_field_ $dev2 vg_name $vg1
check_pv_field_ $dev3 vg_name $vg1
vgremove -f $vg1
pvremove -f $dev1 $dev2 $dev3