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
|
#!/usr/bin/env bash
# Copyright (C) 2014-2023 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
# Exercise usage of stacked cache volume used in thin pool volumes
SKIP_WITH_LVMLOCKD=1
SKIP_WITH_LVMPOLLD=1
. lib/inittest
aux have_cache 1 3 0 || skip
aux have_thin 1 0 0 || skip
aux prepare_vg 5 80
#
# Check caching of whole thin-pool
#
lvcreate -L10 -n cpool $vg
lvcreate -L10 -n tpool $vg
lvcreate -L10 -n $lv1 $vg
lvconvert --yes --cache --cachepool cpool $vg/tpool
lvconvert --yes --type thin-pool $vg/tpool
lvcreate -V10 -T -n $lv2 $vg/tpool
aux mkdev_md5sum $vg $lv2
lvconvert --splitcache $vg/tpool
check dev_md5sum $vg $lv2
lvchange -an $vg
lvchange -ay $vg
check dev_md5sum $vg $lv2
lvs -a $vg
lvconvert --yes --cache --cachepool cpool $vg/tpool
lvconvert --yes -T --thinpool $vg/tpool $vg/$lv1
check lv_field $vg/tpool segtype "thin-pool"
check lv_field $vg/$lv1 segtype "thin"
lvconvert --uncache $vg/tpool
lvs -a $vg
lvremove -f $vg
#
# Check caching of single individual thin LV
#
lvcreate --type cache-pool -L10 -n cpool $vg
lvcreate -T -L10 -V10 -n $lv1 $vg/tpool
lvconvert --yes -H --cachepool $vg/cpool $vg/$lv1
check lv_field $vg/${lv1}_corig segtype "thin" -a
check lv_field $vg/$lv1 segtype "cache"
# Other thins from the thin-pool can be created
lvcreate -V10 $vg/tpool
# ATM there is no support to take snapshot of cache thin LV
not lvcreate -s $vg/$lv1
# Use can take thick snapshot
lvcreate -s -L10 -n $lv2 $vg/$lv1
check lv_field $vg/$lv2 segtype "linear"
lvchange -an $vg
lvchange -ay $vg
lvconvert --uncache $vg/$lv1
lvremove -f $vg
#
# Check conversion of cached LV works as thin-pool
#
lvcreate -L10 -n $lv $vg
lvcreate -L10 -n $lv1 $vg
lvcreate -H -L10 $vg/$lv
# Stack of cache over cache is unsupported ATM
fail lvconvert --yes --cachepool $vg/$lv
# Thin-pool cannot use cached metaddata LV (meta should be on FAST device)
fail lvconvert --yes --thinpool $vg/$lv1 --poolmetadata $vg/$lv
# Thin-pool CAN use cached data LV
lvconvert --yes --thinpool $vg/$lv
lvremove -f $vg
# Check we can active snapshot of cached external origin (BZ: 1967744)
lvcreate -T -L10M $vg/pool "$dev1"
lvcreate -L10M -n origin $vg "$dev1"
lvcreate -H -L4M -n CPOOL $vg/origin "$dev2"
# Use cached origin as external origin
lvconvert -y -T --thinpool $vg/pool --originname extorig origin
# Check we can easily create snapshot of such LV
lvcreate -y -kn -n snap -s $vg/origin
# Deactivate everything and do a component activation of _cmeta volume
lvchange -an $vg
lvchange -ay -y $vg/CPOOL_cpool_cmeta
# Now this must fail since component volume is active
not lvcreate -y -kn -n snap2 -s $vg/origin |& tee err
grep "cmeta is active" err
vgremove -f $vg
|
