summaryrefslogtreecommitdiff
path: root/test/shell/pvcreate-usage.sh
blob: a61a2c3bff168beed708651d8e246ca830ccd0da (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
#!/usr/bin/env bash

# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

test_description='Test pvcreate option values'

SKIP_WITH_LVMPOLLD=1
PAGESIZE=$(getconf PAGESIZE)
# MDA_SIZE_MIN defined in lib/format_text/layout.h
MDA_SIZE_MIN=$(( 8 * PAGESIZE ))

. lib/inittest

aux prepare_devs 4

#COMM 'pvcreate rejects negative setphysicalvolumesize'
not pvcreate --setphysicalvolumesize -1024 "$dev1"

#COMM 'pvcreate rejects negative metadatasize'
not pvcreate --metadatasize -1024 "$dev1"

#COMM 'pvcreate rejects metadatasize that is less than minimum size'
not pvcreate --dataalignment $(( MDA_SIZE_MIN / 2 ))b --metadatasize $(( MDA_SIZE_MIN / 2 ))b "$dev1" 2>err
grep "Metadata area size too small" err

#COMM 'pvcreate accepts metadatasize that is at least the minimum size'
pvcreate --dataalignment ${MDA_SIZE_MIN}b --metadatasize ${MDA_SIZE_MIN}b "$dev1"

#Verify vg_mda_size is smaller pv_mda_size
pvcreate --metadatasize 512k "$dev1"
pvcreate --metadatasize 96k "$dev2"
vgcreate $SHARED $vg "$dev1" "$dev2"
pvs -o +pv_mda_size
check compare_fields vgs $vg vg_mda_size pvs "$dev2" pv_mda_size
vgremove $vg

# x. metadatasize too large
# For some reason we allow this, even though there's no room for data?
##COMM  'pvcreate rejects metadatasize too large' 
#not pvcreate --metadatasize 100000000000000 "$dev1"

#COMM 'pvcreate rejects metadatacopies < 0'
not pvcreate --metadatacopies -1 "$dev1"

#COMM 'pvcreate accepts metadatacopies = 0, 1, 2'
for j in metadatacopies pvmetadatacopies
do
pvcreate --$j 0 "$dev1"
pvcreate --$j 1 "$dev2"
pvcreate --$j 2 "$dev3"
check pv_field "$dev1" pv_mda_count 0
check pv_field "$dev2" pv_mda_count 1
check pv_field "$dev3" pv_mda_count 2
pvremove "$dev1" "$dev2" "$dev3"
done

#COMM 'pvcreate rejects metadatacopies > 2'
not pvcreate --metadatacopies 3 "$dev1"

#COMM 'pvcreate rejects invalid device'
not pvcreate "$dev1"bogus

#COMM 'pvcreate rejects labelsector < 0'
not pvcreate --labelsector -1 "$dev1"

#COMM 'pvcreate rejects labelsector > 1000000000000'
not pvcreate --labelsector 1000000000000 "$dev1"

# other possibilites based on code inspection (not sure how hard)
# x. device too small (min of 512 * 1024 KB)
# x. device filtered out
# x. unable to open /dev/urandom RDONLY
# x. device too large (pe_count > UINT32_MAX)
# x. device read-only
# x. unable to open device readonly
# x. BLKGETSIZE64 fails
# x. set size to value inconsistent with device / PE size

#COMM 'pvcreate basic dataalignment sanity checks'
not pvcreate --dataalignment -1 "$dev1"
not pvcreate --dataalignment 1e "$dev1"

#COMM 'pvcreate always rounded up to page size for start of device'
#pvcreate --metadatacopies 0 --dataalignment 1 "$dev1"
# amuse shell experts
#check pv_field "$dev1" pe_start $(($(getconf PAGESIZE)/1024))".00k"

#COMM 'pvcreate sets data alignment directly'
pvcreate --dataalignment 512K --config 'metadata {pvmetadatasize=255}' "$dev1"
check pv_field "$dev1" pe_start "512.00k"

#COMM 'vgcreate/vgremove do not modify data offset of existing PV'
vgcreate $SHARED $vg "$dev1"  --config 'devices { data_alignment = 1024 }'
check pv_field "$dev1" pe_start "512.00k"
vgremove $vg --config 'devices { data_alignment = 1024 }'
check pv_field "$dev1" pe_start "512.00k"

#COMM 'pvcreate sets data offset next to mda area'
pvcreate --metadatasize 100k --dataalignment 100k "$dev1"
check pv_field "$dev1" pe_start "200.00k"

# metadata area start is aligned according to pagesize
case "$PAGESIZE" in
 65536) pv_align="192.50k" ;;
 8192)	pv_align="136.50k" ;;
 *)	pv_align="133.00k" ;;
esac

# pe_start is a multiple of dataalignment, leaving enough
# space between mda_start and pe_end for the specified
# metadata size.
#
# With page size 4k, mda_start is rounded up start at 4k.
# The chosen multiple of data alignment (3.5k) is 38:
# 3.5k * 38 = 133k for pe_start
# Space available for metadata between mda_start and pe_end is:
# 133k - 4k = 129k mda size, which is large enough for the
# specified mda size of 128k.
#
# With page size 8k, mda_start is rouned up to start at 8k.
# The chosen multiple of data alignment (3.5k) is 39:
# 3.5k * 39 = 136.5k for pe_start
# Space available for metadata between mda_start and pe_end is:
# 136.5k - 8k = 128.5k mda size, which is large enough for the
# specified mda size of 128k.
# 
# With page size 64k, mda_start is rouned up to start at 64k.
# The chosen multiple of data alignment (3.5k) is 55:
# 3.5k * 55 = 192.5k for pe_start
# Space available for metadata between mda_start and pe_end is:
# 192.5k - 64k = 128.5k mda size, which is large enough for the
# specified mda size of 128k.

pvcreate --metadatasize 128k --dataalignment 3.5k "$dev1"
check pv_field "$dev1" pe_start $pv_align

pvcreate --metadatasize 128k --metadatacopies 2 --dataalignment 3.5k "$dev1"
check pv_field "$dev1" pe_start $pv_align

# data area is aligned to 1M by default,
# data area start is shifted by the specified alignment_offset
pv_align=1052160B # 1048576 + (7*512)
pvcreate --metadatasize 128k --dataalignmentoffset 7s "$dev1"
check pv_field "$dev1" pe_start $pv_align --units b

# 2nd metadata area is created without problems when
# data area start is shifted by the specified alignment_offset
pvcreate --metadatasize 128k --metadatacopies 2 --dataalignmentoffset 7s "$dev1"
check pv_field "$dev1" pv_mda_count 2
# FIXME: compare start of 2nd mda with and without --dataalignmentoffset

#COMM 'vgcfgrestore allows pe_start=0'
#basically it produces nonsense, but it tests vgcfgrestore,
#not that final cfg is usable...
pvcreate --metadatacopies 0 "$dev1"
pvcreate "$dev2"
vgcreate $SHARED $vg "$dev1" "$dev2"
vgcfgbackup -f backup.$$ $vg
sed 's/pe_start = [0-9]*/pe_start = 0/' backup.$$ > backup.$$1
vgcfgrestore -f backup.$$1 $vg
check pv_field "$dev1" pe_start "0"
check pv_field "$dev2" pe_start "0"
vgremove $vg

echo "test pvcreate --metadataignore"
for pv_in_vg in 1 0; do
for mdacp in 1 2; do
for ignore in y n; do
	echo "pvcreate --metadataignore has proper mda_count and mda_used_count"
	pvcreate --metadatacopies $mdacp --metadataignore $ignore "$dev1" "$dev2"
	check pv_field "$dev1" pv_mda_count "$mdacp"
	check pv_field "$dev2" pv_mda_count "$mdacp"
	if [ $ignore = y ]; then
		check pv_field "$dev1" pv_mda_used_count "0"
		check pv_field "$dev2" pv_mda_used_count "0"
	else
		check pv_field "$dev1" pv_mda_used_count "$mdacp"
		check pv_field "$dev2" pv_mda_used_count "$mdacp"
	fi
	echo "vgcreate $SHARED has proper vg_mda_count and vg_mda_used_count"
	if [ $pv_in_vg = 1 ]; then
		vgcreate $SHARED $vg "$dev1" "$dev2"
		check vg_field $vg vg_mda_count $(( mdacp * 2 ))
		if [ $ignore = y ]; then
			check vg_field $vg vg_mda_used_count "1"
		else
			check vg_field $vg vg_mda_used_count "$(( mdacp * 2 ))"
		fi
		check vg_field $vg vg_mda_copies "unmanaged"
		vgremove $vg
	fi
done
done
done