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qemu-img create: add 'nocow' option
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1QA output created by 082
2
3=== create: Options specified more than once ===
4
5Testing: create -f foo -f qcow2 TEST_DIR/t.qcow2 128M
6Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=65536 lazy_refcounts=off
7
8Testing: info TEST_DIR/t.qcow2
9image: TEST_DIR/t.qcow2
10file format: qcow2
11virtual size: 128M (134217728 bytes)
12disk size: 196K
13cluster_size: 65536
14Format specific information:
15 compat: 1.1
16 lazy refcounts: false
17
18Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on TEST_DIR/t.qcow2 128M
19Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=4096 lazy_refcounts=on
20
21Testing: info TEST_DIR/t.qcow2
22image: TEST_DIR/t.qcow2
23file format: qcow2
24virtual size: 128M (134217728 bytes)
25disk size: 16K
26cluster_size: 4096
27Format specific information:
28 compat: 1.1
29 lazy refcounts: true
30
31Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 128M
32Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=8192 lazy_refcounts=on
33
34Testing: info TEST_DIR/t.qcow2
35image: TEST_DIR/t.qcow2
36file format: qcow2
37virtual size: 128M (134217728 bytes)
38disk size: 28K
39cluster_size: 8192
40Format specific information:
41 compat: 1.1
42 lazy refcounts: true
43
44Testing: create -f qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 128M
45Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=8192 lazy_refcounts=off
46
47Testing: info TEST_DIR/t.qcow2
48image: TEST_DIR/t.qcow2
49file format: qcow2
50virtual size: 128M (134217728 bytes)
51disk size: 28K
52cluster_size: 8192
53Format specific information:
54 compat: 1.1
55 lazy refcounts: false
56
57=== create: help for -o ===
58
59Testing: create -f qcow2 -o help TEST_DIR/t.qcow2 128M
60Supported options:
61size Virtual disk size
62compat Compatibility level (0.10 or 1.1)
63backing_file File name of a base image
64backing_fmt Image format of the base image
65encryption Encrypt the image
66cluster_size qcow2 cluster size
67preallocation Preallocation mode (allowed values: off, metadata)
68lazy_refcounts Postpone refcount updates
4ab15590 69nocow Turn off copy-on-write (valid only on btrfs)
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70
71Testing: create -f qcow2 -o ? TEST_DIR/t.qcow2 128M
72Supported options:
73size Virtual disk size
74compat Compatibility level (0.10 or 1.1)
75backing_file File name of a base image
76backing_fmt Image format of the base image
77encryption Encrypt the image
78cluster_size qcow2 cluster size
79preallocation Preallocation mode (allowed values: off, metadata)
80lazy_refcounts Postpone refcount updates
4ab15590 81nocow Turn off copy-on-write (valid only on btrfs)
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82
83Testing: create -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 128M
84Supported options:
85size Virtual disk size
86compat Compatibility level (0.10 or 1.1)
87backing_file File name of a base image
88backing_fmt Image format of the base image
89encryption Encrypt the image
90cluster_size qcow2 cluster size
91preallocation Preallocation mode (allowed values: off, metadata)
92lazy_refcounts Postpone refcount updates
4ab15590 93nocow Turn off copy-on-write (valid only on btrfs)
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94
95Testing: create -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 128M
96Supported options:
97size Virtual disk size
98compat Compatibility level (0.10 or 1.1)
99backing_file File name of a base image
100backing_fmt Image format of the base image
101encryption Encrypt the image
102cluster_size qcow2 cluster size
103preallocation Preallocation mode (allowed values: off, metadata)
104lazy_refcounts Postpone refcount updates
4ab15590 105nocow Turn off copy-on-write (valid only on btrfs)
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106
107Testing: create -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 128M
108Supported options:
109size Virtual disk size
110compat Compatibility level (0.10 or 1.1)
111backing_file File name of a base image
112backing_fmt Image format of the base image
113encryption Encrypt the image
114cluster_size qcow2 cluster size
115preallocation Preallocation mode (allowed values: off, metadata)
116lazy_refcounts Postpone refcount updates
4ab15590 117nocow Turn off copy-on-write (valid only on btrfs)
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118
119Testing: create -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 128M
120Supported options:
121size Virtual disk size
122compat Compatibility level (0.10 or 1.1)
123backing_file File name of a base image
124backing_fmt Image format of the base image
125encryption Encrypt the image
126cluster_size qcow2 cluster size
127preallocation Preallocation mode (allowed values: off, metadata)
128lazy_refcounts Postpone refcount updates
4ab15590 129nocow Turn off copy-on-write (valid only on btrfs)
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130
131Testing: create -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 128M
132Supported options:
133size Virtual disk size
134compat Compatibility level (0.10 or 1.1)
135backing_file File name of a base image
136backing_fmt Image format of the base image
137encryption Encrypt the image
138cluster_size qcow2 cluster size
139preallocation Preallocation mode (allowed values: off, metadata)
140lazy_refcounts Postpone refcount updates
4ab15590 141nocow Turn off copy-on-write (valid only on btrfs)
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142
143Testing: create -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 128M
144Supported options:
145size Virtual disk size
146compat Compatibility level (0.10 or 1.1)
147backing_file File name of a base image
148backing_fmt Image format of the base image
149encryption Encrypt the image
150cluster_size qcow2 cluster size
151preallocation Preallocation mode (allowed values: off, metadata)
152lazy_refcounts Postpone refcount updates
4ab15590 153nocow Turn off copy-on-write (valid only on btrfs)
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154
155Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 128M
156Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2,help' encryption=off cluster_size=65536 lazy_refcounts=off
157
158Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2 128M
159Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2,?' encryption=off cluster_size=65536 lazy_refcounts=off
160
161Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2 128M
162qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
163
164Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2 128M
165qemu-img: Invalid option list: ,help
166
167Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2 128M
168qemu-img: Invalid option list: ,,
169
170Testing: create -f qcow2 -o help
171Supported options:
172size Virtual disk size
173compat Compatibility level (0.10 or 1.1)
174backing_file File name of a base image
175backing_fmt Image format of the base image
176encryption Encrypt the image
177cluster_size qcow2 cluster size
178preallocation Preallocation mode (allowed values: off, metadata)
179lazy_refcounts Postpone refcount updates
180
181Testing: create -o help
182Supported options:
183size Virtual disk size
184
185=== convert: Options specified more than once ===
186
187Testing: create -f qcow2 TEST_DIR/t.qcow2 128M
188Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=65536 lazy_refcounts=off
189
190Testing: convert -f foo -f qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
191
192Testing: info TEST_DIR/t.qcow2.base
193image: TEST_DIR/t.qcow2.base
194file format: raw
195virtual size: 128M (134217728 bytes)
196disk size: 0
197
198Testing: convert -O foo -O qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
199
200Testing: info TEST_DIR/t.qcow2.base
201image: TEST_DIR/t.qcow2.base
202file format: qcow2
203virtual size: 128M (134217728 bytes)
204disk size: 196K
205cluster_size: 65536
206Format specific information:
207 compat: 1.1
208 lazy refcounts: false
209
210Testing: convert -O qcow2 -o cluster_size=4k -o lazy_refcounts=on TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
211
212Testing: info TEST_DIR/t.qcow2.base
213image: TEST_DIR/t.qcow2.base
214file format: qcow2
215virtual size: 128M (134217728 bytes)
216disk size: 16K
217cluster_size: 4096
218Format specific information:
219 compat: 1.1
220 lazy refcounts: true
221
222Testing: convert -O qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
223
224Testing: info TEST_DIR/t.qcow2.base
225image: TEST_DIR/t.qcow2.base
226file format: qcow2
227virtual size: 128M (134217728 bytes)
228disk size: 28K
229cluster_size: 8192
230Format specific information:
231 compat: 1.1
232 lazy refcounts: true
233
234Testing: convert -O qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
235
236Testing: info TEST_DIR/t.qcow2.base
237image: TEST_DIR/t.qcow2.base
238file format: qcow2
239virtual size: 128M (134217728 bytes)
240disk size: 28K
241cluster_size: 8192
242Format specific information:
243 compat: 1.1
244 lazy refcounts: false
245
246=== convert: help for -o ===
247
248Testing: convert -O qcow2 -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
249Supported options:
250size Virtual disk size
251compat Compatibility level (0.10 or 1.1)
252backing_file File name of a base image
253backing_fmt Image format of the base image
254encryption Encrypt the image
255cluster_size qcow2 cluster size
256preallocation Preallocation mode (allowed values: off, metadata)
257lazy_refcounts Postpone refcount updates
4ab15590 258nocow Turn off copy-on-write (valid only on btrfs)
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259
260Testing: convert -O qcow2 -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
261Supported options:
262size Virtual disk size
263compat Compatibility level (0.10 or 1.1)
264backing_file File name of a base image
265backing_fmt Image format of the base image
266encryption Encrypt the image
267cluster_size qcow2 cluster size
268preallocation Preallocation mode (allowed values: off, metadata)
269lazy_refcounts Postpone refcount updates
4ab15590 270nocow Turn off copy-on-write (valid only on btrfs)
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271
272Testing: convert -O qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
273Supported options:
274size Virtual disk size
275compat Compatibility level (0.10 or 1.1)
276backing_file File name of a base image
277backing_fmt Image format of the base image
278encryption Encrypt the image
279cluster_size qcow2 cluster size
280preallocation Preallocation mode (allowed values: off, metadata)
281lazy_refcounts Postpone refcount updates
4ab15590 282nocow Turn off copy-on-write (valid only on btrfs)
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283
284Testing: convert -O qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
285Supported options:
286size Virtual disk size
287compat Compatibility level (0.10 or 1.1)
288backing_file File name of a base image
289backing_fmt Image format of the base image
290encryption Encrypt the image
291cluster_size qcow2 cluster size
292preallocation Preallocation mode (allowed values: off, metadata)
293lazy_refcounts Postpone refcount updates
4ab15590 294nocow Turn off copy-on-write (valid only on btrfs)
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295
296Testing: convert -O qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
297Supported options:
298size Virtual disk size
299compat Compatibility level (0.10 or 1.1)
300backing_file File name of a base image
301backing_fmt Image format of the base image
302encryption Encrypt the image
303cluster_size qcow2 cluster size
304preallocation Preallocation mode (allowed values: off, metadata)
305lazy_refcounts Postpone refcount updates
4ab15590 306nocow Turn off copy-on-write (valid only on btrfs)
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307
308Testing: convert -O qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
309Supported options:
310size Virtual disk size
311compat Compatibility level (0.10 or 1.1)
312backing_file File name of a base image
313backing_fmt Image format of the base image
314encryption Encrypt the image
315cluster_size qcow2 cluster size
316preallocation Preallocation mode (allowed values: off, metadata)
317lazy_refcounts Postpone refcount updates
4ab15590 318nocow Turn off copy-on-write (valid only on btrfs)
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319
320Testing: convert -O qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
321Supported options:
322size Virtual disk size
323compat Compatibility level (0.10 or 1.1)
324backing_file File name of a base image
325backing_fmt Image format of the base image
326encryption Encrypt the image
327cluster_size qcow2 cluster size
328preallocation Preallocation mode (allowed values: off, metadata)
329lazy_refcounts Postpone refcount updates
4ab15590 330nocow Turn off copy-on-write (valid only on btrfs)
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331
332Testing: convert -O qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
333Supported options:
334size Virtual disk size
335compat Compatibility level (0.10 or 1.1)
336backing_file File name of a base image
337backing_fmt Image format of the base image
338encryption Encrypt the image
339cluster_size qcow2 cluster size
340preallocation Preallocation mode (allowed values: off, metadata)
341lazy_refcounts Postpone refcount updates
4ab15590 342nocow Turn off copy-on-write (valid only on btrfs)
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343
344Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
345qemu-img: Could not open 'TEST_DIR/t.qcow2.base': Could not open backing file: Could not open 'TEST_DIR/t.qcow2,help': No such file or directory
346
347Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
348qemu-img: Could not open 'TEST_DIR/t.qcow2.base': Could not open backing file: Could not open 'TEST_DIR/t.qcow2,?': No such file or directory
349
350Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
351qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
352
353Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
354qemu-img: Invalid option list: ,help
355
356Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
357qemu-img: Invalid option list: ,,
358
359Testing: convert -O qcow2 -o help
360Supported options:
361size Virtual disk size
362compat Compatibility level (0.10 or 1.1)
363backing_file File name of a base image
364backing_fmt Image format of the base image
365encryption Encrypt the image
366cluster_size qcow2 cluster size
367preallocation Preallocation mode (allowed values: off, metadata)
368lazy_refcounts Postpone refcount updates
369
370Testing: convert -o help
371Supported options:
372size Virtual disk size
373
374=== amend: Options specified more than once ===
375
376Testing: amend -f foo -f qcow2 -o lazy_refcounts=on TEST_DIR/t.qcow2
377
378Testing: info TEST_DIR/t.qcow2
379image: TEST_DIR/t.qcow2
380file format: qcow2
381virtual size: 128M (134217728 bytes)
382disk size: 196K
383cluster_size: 65536
384Format specific information:
385 compat: 1.1
386 lazy refcounts: true
387
388Testing: amend -f qcow2 -o size=130M -o lazy_refcounts=off TEST_DIR/t.qcow2
389
390Testing: info TEST_DIR/t.qcow2
391image: TEST_DIR/t.qcow2
392file format: qcow2
393virtual size: 130M (136314880 bytes)
394disk size: 196K
395cluster_size: 65536
396Format specific information:
397 compat: 1.1
398 lazy refcounts: false
399
400Testing: amend -f qcow2 -o size=8M -o lazy_refcounts=on -o size=132M TEST_DIR/t.qcow2
401
402Testing: info TEST_DIR/t.qcow2
403image: TEST_DIR/t.qcow2
404file format: qcow2
405virtual size: 132M (138412032 bytes)
406disk size: 196K
407cluster_size: 65536
408Format specific information:
409 compat: 1.1
410 lazy refcounts: true
411
412Testing: amend -f qcow2 -o size=4M,size=148M TEST_DIR/t.qcow2
413
414Testing: info TEST_DIR/t.qcow2
415image: TEST_DIR/t.qcow2
416file format: qcow2
417virtual size: 148M (155189248 bytes)
418disk size: 196K
419cluster_size: 65536
420Format specific information:
421 compat: 1.1
422 lazy refcounts: true
423
424=== amend: help for -o ===
425
426Testing: amend -f qcow2 -o help TEST_DIR/t.qcow2
427Supported options:
428size Virtual disk size
429compat Compatibility level (0.10 or 1.1)
430backing_file File name of a base image
431backing_fmt Image format of the base image
432encryption Encrypt the image
433cluster_size qcow2 cluster size
434preallocation Preallocation mode (allowed values: off, metadata)
435lazy_refcounts Postpone refcount updates
4ab15590 436nocow Turn off copy-on-write (valid only on btrfs)
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437
438Testing: amend -f qcow2 -o ? TEST_DIR/t.qcow2
439Supported options:
440size Virtual disk size
441compat Compatibility level (0.10 or 1.1)
442backing_file File name of a base image
443backing_fmt Image format of the base image
444encryption Encrypt the image
445cluster_size qcow2 cluster size
446preallocation Preallocation mode (allowed values: off, metadata)
447lazy_refcounts Postpone refcount updates
4ab15590 448nocow Turn off copy-on-write (valid only on btrfs)
a33cc31d
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449
450Testing: amend -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2
451Supported options:
452size Virtual disk size
453compat Compatibility level (0.10 or 1.1)
454backing_file File name of a base image
455backing_fmt Image format of the base image
456encryption Encrypt the image
457cluster_size qcow2 cluster size
458preallocation Preallocation mode (allowed values: off, metadata)
459lazy_refcounts Postpone refcount updates
4ab15590 460nocow Turn off copy-on-write (valid only on btrfs)
a33cc31d
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461
462Testing: amend -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2
463Supported options:
464size Virtual disk size
465compat Compatibility level (0.10 or 1.1)
466backing_file File name of a base image
467backing_fmt Image format of the base image
468encryption Encrypt the image
469cluster_size qcow2 cluster size
470preallocation Preallocation mode (allowed values: off, metadata)
471lazy_refcounts Postpone refcount updates
4ab15590 472nocow Turn off copy-on-write (valid only on btrfs)
a33cc31d
KW
473
474Testing: amend -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2
475Supported options:
476size Virtual disk size
477compat Compatibility level (0.10 or 1.1)
478backing_file File name of a base image
479backing_fmt Image format of the base image
480encryption Encrypt the image
481cluster_size qcow2 cluster size
482preallocation Preallocation mode (allowed values: off, metadata)
483lazy_refcounts Postpone refcount updates
4ab15590 484nocow Turn off copy-on-write (valid only on btrfs)
a33cc31d
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485
486Testing: amend -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2
487Supported options:
488size Virtual disk size
489compat Compatibility level (0.10 or 1.1)
490backing_file File name of a base image
491backing_fmt Image format of the base image
492encryption Encrypt the image
493cluster_size qcow2 cluster size
494preallocation Preallocation mode (allowed values: off, metadata)
495lazy_refcounts Postpone refcount updates
4ab15590 496nocow Turn off copy-on-write (valid only on btrfs)
a33cc31d
KW
497
498Testing: amend -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2
499Supported options:
500size Virtual disk size
501compat Compatibility level (0.10 or 1.1)
502backing_file File name of a base image
503backing_fmt Image format of the base image
504encryption Encrypt the image
505cluster_size qcow2 cluster size
506preallocation Preallocation mode (allowed values: off, metadata)
507lazy_refcounts Postpone refcount updates
4ab15590 508nocow Turn off copy-on-write (valid only on btrfs)
a33cc31d
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509
510Testing: amend -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2
511Supported options:
512size Virtual disk size
513compat Compatibility level (0.10 or 1.1)
514backing_file File name of a base image
515backing_fmt Image format of the base image
516encryption Encrypt the image
517cluster_size qcow2 cluster size
518preallocation Preallocation mode (allowed values: off, metadata)
519lazy_refcounts Postpone refcount updates
4ab15590 520nocow Turn off copy-on-write (valid only on btrfs)
a33cc31d
KW
521
522Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2
523
524Testing: rebase -u -b -f qcow2 TEST_DIR/t.qcow2
525
526Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2
527
528Testing: rebase -u -b -f qcow2 TEST_DIR/t.qcow2
529
530Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2
531qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
532
533Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2
534qemu-img: Invalid option list: ,help
535
536Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2
537qemu-img: Invalid option list: ,,
538
539Testing: amend -f qcow2 -o help
540Supported options:
541size Virtual disk size
542compat Compatibility level (0.10 or 1.1)
543backing_file File name of a base image
544backing_fmt Image format of the base image
545encryption Encrypt the image
546cluster_size qcow2 cluster size
547preallocation Preallocation mode (allowed values: off, metadata)
548lazy_refcounts Postpone refcount updates
549
550Testing: convert -o help
551Supported options:
552size Virtual disk size
553*** done