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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
|
#!/usr/bin/env bash
# Copyright (C) 2018 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 single lv cache options
SKIP_WITH_LVMPOLLD=1
. lib/inittest
case "$(uname -r)" in
6.[0123]*|5.19*) skip "Skipped test that kills this kernel" ;;
esac
mkfs_mount_umount()
{
lvt=$1
lvchange -ay $vg/$lvt
mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lvt"
mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir"
cp pattern1 "$mount_dir/pattern1"
dd if=/dev/zero of="$mount_dir/zeros2M" bs=1M count=32 conv=fdatasync
umount "$mount_dir"
lvchange -an $vg/$lvt
}
mount_umount()
{
lvt=$1
lvchange -ay $vg/$lvt
mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir"
diff pattern1 "$mount_dir/pattern1"
dd if="$mount_dir/zeros2M" of=/dev/null bs=1M count=32
umount "$mount_dir"
lvchange -an $vg/$lvt
}
aux have_cache 1 10 0 || skip
which mkfs.xfs || skip
case $(cache_check -V) in
# support for v2 starts with version 0.7
0.[0-6]*) skip 'At least version 0.7 of cache_check tool is needed.' ;;
esac
mount_dir="mnt"
mkdir -p "$mount_dir"
# generate random data
dd if=/dev/urandom of=pattern1 bs=512K count=1
aux prepare_devs 4 310
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4"
lvcreate -n $lv1 -L 300 -an $vg "$dev1" "$dev4"
lvcreate -n $lv2 -l 4 -an $vg "$dev2"
#
# split when no devs are missing
# while inactive
# both cachemodes work the same
#
lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
check lv_field $vg/$lv1 segtype "cache"
check lv_field $vg/$lv1 cachemode "writethrough"
mkfs_mount_umount $lv1
lvconvert --splitcache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
lvs -o segtype $vg/$lv2 | grep linear
lvchange -ay $vg/$lv2
cache_check "$DM_DEV_DIR/$vg/$lv2"
lvchange -an $vg/$lv2
lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
check lv_field $vg/$lv1 segtype "cache"
check lv_field $vg/$lv1 cachemode "writeback"
mkfs_mount_umount $lv1
lvconvert --splitcache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
lvs -o segtype $vg/$lv2 | grep linear
lvchange -ay $vg/$lv2
cache_check "$DM_DEV_DIR/$vg/$lv2"
lvchange -an $vg/$lv2
mount_umount $lv1
#
# split when no devs are missing
# while active
# both cachemodes work the same
#
lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
check lv_field $vg/$lv1 segtype "cache"
check lv_field $vg/$lv1 cachemode "writethrough"
mkfs_mount_umount $lv1
lvchange -ay $vg/$lv1
lvconvert --splitcache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
lvs -o segtype $vg/$lv2 | grep linear
lvchange -ay $vg/$lv2
cache_check "$DM_DEV_DIR/$vg/$lv2"
lvchange -an $vg/$lv2
mount_umount $lv1
lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
check lv_field $vg/$lv1 segtype "cache"
check lv_field $vg/$lv1 cachemode "writeback"
lvchange -an $vg/$lv1
mkfs_mount_umount $lv1
lvchange -ay $vg/$lv1
lvconvert --splitcache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
lvs -o segtype $vg/$lv2 | grep linear
lvchange -ay $vg/$lv2
cache_check "$DM_DEV_DIR/$vg/$lv2"
lvchange -an $vg/$lv2
#
# split while cachevol is missing
# writethrough
#
lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
check lv_field $vg/$lv1 segtype "cache"
check lv_field $vg/$lv1 cachemode "writethrough"
lvchange -an $vg/$lv1
mkfs_mount_umount $lv1
lvchange -ay $vg/$lv1
aux disable_dev "$dev2"
lvconvert --splitcache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
aux enable_dev "$dev2"
lvs -o segtype $vg/$lv2 | grep linear
lvchange -ay --activationmode partial $vg/$lv2
cache_check "$DM_DEV_DIR/$vg/$lv2"
lvchange -an $vg/$lv2
vgck --updatemetadata $vg
lvs $vg
vgchange -an $vg
vgextend --restoremissing $vg "$dev2"
mount_umount $lv1
#
# split while cachevol is missing
# writeback
#
lvremove $vg/$lv2
lvcreate -n $lv2 -l 4 -an $vg "$dev2"
lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
check lv_field $vg/$lv1 segtype "cache"
check lv_field $vg/$lv1 cachemode "writeback"
mkfs_mount_umount $lv1
aux disable_dev "$dev2"
not lvconvert --splitcache $vg/$lv1
lvconvert --splitcache --force --yes $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
aux enable_dev "$dev2"
lvs -o segtype $vg/$lv2 | grep linear
lvchange -ay --activationmode partial $vg/$lv2
cache_check "$DM_DEV_DIR/$vg/$lv2"
lvchange -an $vg/$lv2
vgck --updatemetadata $vg
lvs $vg
vgchange -an $vg
vgextend --restoremissing $vg "$dev2"
#
# split while cachevol has 1 of 2 PVs
# writethrough
#
lvremove $vg/$lv2
lvcreate -n $lv2 -l 14 -an $vg "$dev2:0-10" "$dev3"
lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
check lv_field $vg/$lv1 segtype "cache"
check lv_field $vg/$lv1 cachemode "writethrough"
mkfs_mount_umount $lv1
aux disable_dev "$dev3"
lvconvert --splitcache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
aux enable_dev "$dev3"
lvs -o segtype $vg/$lv2 | grep linear
lvchange -ay --activationmode partial $vg/$lv2
cache_check "$DM_DEV_DIR/$vg/$lv2"
lvchange -an $vg/$lv2
vgck --updatemetadata $vg
lvs $vg
vgchange -an $vg
vgextend --restoremissing $vg "$dev3"
mount_umount $lv1
#
# split while cachevol has 1 of 2 PVs
# writeback
#
lvremove $vg/$lv2
lvcreate -n $lv2 -l 14 -an $vg "$dev2:0-10" "$dev3"
lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
check lv_field $vg/$lv1 segtype "cache"
check lv_field $vg/$lv1 cachemode "writeback"
mkfs_mount_umount $lv1
aux disable_dev "$dev3"
not lvconvert --splitcache $vg/$lv1
lvconvert --splitcache --force --yes $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
aux enable_dev "$dev3"
lvs -o segtype $vg/$lv2 | grep linear
lvchange -ay --activationmode partial $vg/$lv2
cache_check "$DM_DEV_DIR/$vg/$lv2"
lvchange -an $vg/$lv2
vgck --updatemetadata $vg
lvs $vg
vgchange -an $vg
vgextend --restoremissing $vg "$dev3"
#
# uncache when no devs are missing
# while inactive
# both cachemodes work the same
#
lvremove $vg/$lv1
lvremove $vg/$lv2
lvcreate -n $lv1 -L 300 -an $vg "$dev1:0-10" "$dev4"
lvcreate -n $lv2 -l 4 -an $vg "$dev2"
lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
mkfs_mount_umount $lv1
lvconvert --uncache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
lvcreate -n $lv2 -l 4 -an $vg "$dev2"
lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
mkfs_mount_umount $lv1
lvconvert --uncache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
mount_umount $lv1
#
# uncache when no devs are missing
# while active
# both cachemodes work the same
#
lvremove $vg/$lv1
lvcreate -n $lv1 -L 300 -an $vg "$dev1:0-10" "$dev4"
lvcreate -n $lv2 -l 4 -an $vg "$dev2"
lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
mkfs_mount_umount $lv1
lvchange -ay $vg/$lv1
lvconvert --uncache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
lvcreate -n $lv2 -l 4 -an $vg "$dev2"
lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
lvchange -an $vg/$lv1
mkfs_mount_umount $lv1
lvchange -ay $vg/$lv1
lvconvert --uncache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
mount_umount $lv1
#
# uncache while cachevol is missing
# writethrough
#
lvremove $vg/$lv1
lvcreate -n $lv1 -L 300 -an $vg "$dev1:0-10" "$dev4"
lvcreate -n $lv2 -l 4 -an $vg "$dev2"
lvconvert -y --type cache --cachevol $lv2 --cachemode writethrough $vg/$lv1
mkfs_mount_umount $lv1
aux disable_dev "$dev2"
lvconvert --uncache $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
aux enable_dev "$dev2"
not lvs -o segtype $vg/$lv2
vgck --updatemetadata $vg
lvs $vg
vgchange -an $vg
mount_umount $lv1
#
# uncache while cachevol is missing
# writeback
#
lvremove $vg/$lv1
lvcreate -n $lv1 -L 300 -an $vg "$dev1:0-10" "$dev4"
lvcreate -n $lv2 -l 4 -an $vg "$dev2"
lvconvert -y --type cache --cachevol $lv2 --cachemode writeback $vg/$lv1
mkfs_mount_umount $lv1
aux disable_dev "$dev2"
not lvconvert --uncache $vg/$lv1
lvconvert --uncache --force --yes $vg/$lv1
lvs -o segtype $vg/$lv1 | grep linear
aux enable_dev "$dev2"
not lvs -o segtype $vg/$lv2
vgck --updatemetadata $vg
lvs $vg
vgremove -ff $vg
|
