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) 2023 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 VG takeover with raid LVs'
# test does not apply to lvmlockd
SKIP_WITH_LVMLOCKD=1
SKIP_WITH_LVMPOLLD=1
. lib/inittest
aux have_raid 1 9 0 || skip
aux prepare_devs ${PREPARE_DEVS-3}
SIDFILE="etc/lvm_test.conf"
LVMLOCAL="etc/lvmlocal.conf"
DFDIR="$LVM_SYSTEM_DIR/devices"
DF="$DFDIR/system.devices"
print_lvmlocal() {
{ echo "local {"; printf "%s\n" "$@"; echo "}"; } >"$LVMLOCAL"
}
# Avoid system id validation in the devices file
# which gets in the way of the test switching the
# local system id.
clear_df_systemid() {
if [[ -f $DF ]]; then
sed -e "s|SYSTEMID=.||" "$DF" > tmpdf
cp tmpdf $DF
fi
}
test_check_mount() {
pvs -o+missing
vgs -o+systemid,partial $vg
lvs -a -o+devices $vg
mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
diff pattern1 "$mount_dir/pattern1a"
diff pattern1 "$mount_dir/pattern1c"
umount "$mount_dir"
fsck -n "$DM_DEV_DIR/$vg/$lv1"
mount "$DM_DEV_DIR/$vg/$lv2" "$mount_dir"
diff pattern1 "$mount_dir/pattern1a"
diff pattern1 "$mount_dir/pattern1c"
umount "$mount_dir"
fsck -n "$DM_DEV_DIR/$vg/$lv2"
}
SID1=sidfoofile1
SID2=sidfoofile2
echo "$SID1" > "$SIDFILE"
clear_df_systemid
aux lvmconf "global/system_id_source = file" \
"global/system_id_file = \"$SIDFILE\""
vgcreate $vg "$dev1" "$dev2" "$dev3"
vgs -o+systemid,partial $vg
check vg_field $vg systemid "$SID1"
lvcreate --type raid1 -L 8 -m1 -n $lv1 $vg "$dev1" "$dev2"
lvcreate --type raid1 -L 8 -m2 -n $lv2 $vg "$dev1" "$dev2" "$dev3"
# give some time for raid init
aux wait_for_sync $vg $lv1
aux wait_for_sync $vg $lv2
lvs -a -o+devices $vg
mkfs.ext4 "$DM_DEV_DIR/$vg/$lv1"
mkfs.ext4 "$DM_DEV_DIR/$vg/$lv2"
dd if=/dev/urandom of=pattern1 bs=512K count=1
mount_dir="mnt_takeover"
mkdir -p "$mount_dir"
mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
dd if=/dev/zero of="$mount_dir/file1" bs=1M count=4 oflag=direct
cp pattern1 "$mount_dir/pattern1a"
cp pattern1 "$mount_dir/pattern1b"
umount "$mount_dir"
mount "$DM_DEV_DIR/$vg/$lv2" "$mount_dir"
dd if=/dev/zero of="$mount_dir/file1" bs=1M count=4 oflag=direct
cp pattern1 "$mount_dir/pattern1a"
cp pattern1 "$mount_dir/pattern1b"
umount "$mount_dir"
vgchange -an $vg
# make the vg foreign
vgchange --yes --systemid "$SID2" $vg
not vgs $vg
# make one dev missing
aux hide_dev "$dev1"
# take over the vg, like cluster failover would do
vgchange --majoritypvs --config "local/extra_system_ids=[\"${SID2}\"]" --systemid "$SID1" $vg
pvs -o+missing
vgs -o+systemid,partial $vg
lvs -a -o+devices $vg
lvchange -ay --activationmode degraded $vg/$lv1
lvchange -ay --activationmode degraded $vg/$lv2
mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"
dd of=/dev/null if="$mount_dir/file1" bs=1M count=4
diff pattern1 "$mount_dir/pattern1a"
diff pattern1 "$mount_dir/pattern1b"
rm "$mount_dir/pattern1b"
rm "$mount_dir/file1"
cp pattern1 "$mount_dir/pattern1c"
umount "$mount_dir"
mount "$DM_DEV_DIR/$vg/$lv2" "$mount_dir"
dd of=/dev/null if="$mount_dir/file1" bs=1M count=4
diff pattern1 "$mount_dir/pattern1a"
diff pattern1 "$mount_dir/pattern1b"
rm "$mount_dir/pattern1b"
rm "$mount_dir/file1"
cp pattern1 "$mount_dir/pattern1c"
umount "$mount_dir"
pvs -o+missing
vgs -o+systemid,partial $vg
lvs -a -o+devices $vg
#----------------------------------------------------------
# test will continue differently when var OTHER_TEST is set
#----------------------------------------------------------
test -n "${CONTINUE_ELSEWHERE-}" && return 0
# fails because the missing dev is used by lvs
not vgreduce --removemissing $vg
# works because lvs can be used with missing leg
vgreduce --removemissing --mirrorsonly --force $vg
pvs -o+missing
vgs -o+systemid,partial $vg
lvs -a -o+devices $vg
# decline to repair (answer no)
lvconvert --repair $vg/$lv1
# fails to find another disk to use to repair
not lvconvert -y --repair $vg/$lv2
test_check_mount
aux unhide_dev "$dev1"
pvs -o+missing
vgs -o+systemid,partial $vg
lvs -a -o+devices $vg
vgck --updatemetadata $vg
pvs -o+missing
vgs -o+systemid,partial $vg
lvs -a -o+devices $vg
# remove the failed unused leg, leaving 2 legs
lvconvert -y -m-1 $vg/$lv2
# remove the failed unused leg, leaving 1 leg
lvconvert -y -m-1 $vg/$lv1
test_check_mount
vgextend $vg "$dev1"
lvconvert -y -m+1 $vg/$lv1 "$dev1"
lvconvert -y -m+1 $vg/$lv2 "$dev1"
# let raid sync new leg
aux wait_for_sync $vg $lv1
aux wait_for_sync $vg $lv2
test_check_mount
vgchange -an $vg
vgremove -f $vg
|
