forked from tom--bo/mysqlredo
-
Notifications
You must be signed in to change notification settings - Fork 0
/
innochecksum.1
1017 lines (1017 loc) · 17.5 KB
/
innochecksum.1
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
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
'\" t
.\" Title: innochecksum
.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\" Date: 11/26/2022
.\" Manual: MySQL Database System
.\" Source: MySQL 8.0
.\" Language: English
.\"
.TH "INNOCHECKSUM" "1" "11/26/2022" "MySQL 8\&.0" "MySQL Database System"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
innochecksum \- offline InnoDB file checksum utility
.SH "SYNOPSIS"
.HP \w'\fBinnochecksum\ [\fR\fB\fIoptions\fR\fR\fB]\ \fR\fB\fIfile_name\fR\fR\ 'u
\fBinnochecksum [\fR\fB\fIoptions\fR\fR\fB] \fR\fB\fIfile_name\fR\fR
.SH "DESCRIPTION"
.PP
\fBinnochecksum\fR
prints checksums for
InnoDB
files\&. This tool reads an
InnoDB
tablespace file, calculates the checksum for each page, compares the calculated checksum to the stored checksum, and reports mismatches, which indicate damaged pages\&. It was originally developed to speed up verifying the integrity of tablespace files after power outages but can also be used after file copies\&. Because checksum mismatches cause
InnoDB
to deliberately shut down a running server, it may be preferable to use this tool rather than waiting for an in\-production server to encounter the damaged pages\&.
.PP
\fBinnochecksum\fR
cannot be used on tablespace files that the server already has open\&. For such files, you should use
CHECK TABLE
to check tables within the tablespace\&. Attempting to run
\fBinnochecksum\fR
on a tablespace that the server already has open results in an
Unable to lock file
error\&.
.PP
If checksum mismatches are found, restore the tablespace from backup or start the server and attempt to use
\fBmysqldump\fR
to make a backup of the tables within the tablespace\&.
.PP
Invoke
\fBinnochecksum\fR
like this:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum [\fIoptions\fR] \fIfile_name\fR
.fi
.if n \{\
.RE
.\}
.sp
innochecksum Options
.PP
\fBinnochecksum\fR
supports the following options\&. For options that refer to page numbers, the numbers are zero\-based\&.
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-help\fR,
\fB\-?\fR
Displays command line help\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-help
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-info\fR,
\fB\-I\fR
Synonym for
\fB\-\-help\fR\&. Displays command line help\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-info
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-version\fR,
\fB\-V\fR
Displays version information\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-version
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-verbose\fR,
\fB\-v\fR
Verbose mode; prints a progress indicator to the log file every five seconds\&. In order for the progress indicator to be printed, the log file must be specified using the
\-\-log option\&. To turn on
verbose
mode, run:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-verbose
.fi
.if n \{\
.RE
.\}
.sp
To turn off verbose mode, run:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-verbose=FALSE
.fi
.if n \{\
.RE
.\}
.sp
The
\-\-verbose
option and
\-\-log
option can be specified at the same time\&. For example:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-verbose \-\-log=/var/lib/mysql/test/logtest\&.txt
.fi
.if n \{\
.RE
.\}
.sp
To locate the progress indicator information in the log file, you can perform the following search:
.sp
.if n \{\
.RS 4
.\}
.nf
cat \&./logtest\&.txt | grep \-i "okay"
.fi
.if n \{\
.RE
.\}
.sp
The progress indicator information in the log file appears similar to the following:
.sp
.if n \{\
.RS 4
.\}
.nf
page 1663 okay: 2\&.863% done
page 8447 okay: 14\&.537% done
page 13695 okay: 23\&.568% done
page 18815 okay: 32\&.379% done
page 23039 okay: 39\&.648% done
page 28351 okay: 48\&.789% done
page 33023 okay: 56\&.828% done
page 37951 okay: 65\&.308% done
page 44095 okay: 75\&.881% done
page 49407 okay: 85\&.022% done
page 54463 okay: 93\&.722% done
\&.\&.\&.
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-count\fR,
\fB\-c\fR
Print a count of the number of pages in the file and exit\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-count \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-start\-page=\fR\fB\fInum\fR\fR,
\fB\-s \fR\fB\fInum\fR\fR
Start at this page number\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-start\-page=600 \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.sp
or:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-s 600 \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-end\-page=\fR\fB\fInum\fR\fR,
\fB\-e \fR\fB\fInum\fR\fR
End at this page number\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-end\-page=700 \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.sp
or:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-p 700 \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-page=\fR\fB\fInum\fR\fR,
\fB\-p \fR\fB\fInum\fR\fR
Check only this page number\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-page=701 \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-strict\-check\fR,
\fB\-C\fR
Specify a strict checksum algorithm\&. Options include
innodb,
crc32, and
none\&.
.sp
In this example, the
innodb
checksum algorithm is specified:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-strict\-check=innodb \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.sp
In this example, the
crc32
checksum algorithm is specified:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-C crc32 \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.sp
The following conditions apply:
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
If you do not specify the
\fB\-\-strict\-check\fR
option,
\fBinnochecksum\fR
validates against
innodb,
crc32
and
none\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
If you specify the
none
option, only checksums generated by
none
are allowed\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
If you specify the
innodb
option, only checksums generated by
innodb
are allowed\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
If you specify the
crc32
option, only checksums generated by
crc32
are allowed\&.
.RE
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-no\-check\fR,
\fB\-n\fR
Ignore the checksum verification when rewriting a checksum\&. This option may only be used with the
\fBinnochecksum\fR
\fB\-\-write\fR
option\&. If the
\fB\-\-write\fR
option is not specified,
\fBinnochecksum\fR
terminates\&.
.sp
In this example, an
innodb
checksum is rewritten to replace an invalid checksum:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-no\-check \-\-write innodb \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-allow\-mismatches\fR,
\fB\-a\fR
The maximum number of checksum mismatches allowed before
\fBinnochecksum\fR
terminates\&. The default setting is 0\&. If
\-\-allow\-mismatches=\fIN\fR, where
\fIN\fR>=0,
\fIN\fR
mismatches are permitted and
\fBinnochecksum\fR
terminates at
\fIN\fR+1\&. When
\-\-allow\-mismatches
is set to 0,
\fBinnochecksum\fR
terminates on the first checksum mismatch\&.
.sp
In this example, an existing
innodb
checksum is rewritten to set
\-\-allow\-mismatches
to 1\&.
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-allow\-mismatches=1 \-\-write innodb \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.sp
With
\-\-allow\-mismatches
set to 1, if there is a mismatch at page 600 and another at page 700 on a file with 1000 pages, the checksum is updated for pages 0\-599 and 601\-699\&. Because
\-\-allow\-mismatches
is set to 1, the checksum tolerates the first mismatch and terminates on the second mismatch, leaving page 600 and pages 700\-999 unchanged\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-write=\fR\fB\fIname\fR\fR,
\fB\-w \fR\fB\fInum\fR\fR
Rewrite a checksum\&. When rewriting an invalid checksum, the
\fB\-\-no\-check\fR
option must be used together with the
\fB\-\-write\fR
option\&. The
\fB\-\-no\-check\fR
option tells
\fBinnochecksum\fR
to ignore verification of the invalid checksum\&. You do not have to specify the
\fB\-\-no\-check\fR
option if the current checksum is valid\&.
.sp
An algorithm must be specified when using the
\fB\-\-write\fR
option\&. Possible values for the
\fB\-\-write\fR
option are:
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
innodb: A checksum calculated in software, using the original algorithm from
InnoDB\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
crc32: A checksum calculated using the
crc32
algorithm, possibly done with a hardware assist\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
none: A constant number\&.
.RE
.sp
The
\fB\-\-write\fR
option rewrites entire pages to disk\&. If the new checksum is identical to the existing checksum, the new checksum is not written to disk in order to minimize I/O\&.
.sp
\fBinnochecksum\fR
obtains an exclusive lock when the
\fB\-\-write\fR
option is used\&.
.sp
In this example, a
crc32
checksum is written for
tab1\&.ibd:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-w crc32 \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.sp
In this example, a
crc32
checksum is rewritten to replace an invalid
crc32
checksum:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-no\-check \-\-write crc32 \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-page\-type\-summary\fR,
\fB\-S\fR
Display a count of each page type in a tablespace\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-page\-type\-summary \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.sp
Sample output for
\-\-page\-type\-summary:
.sp
.if n \{\
.RS 4
.\}
.nf
File::\&.\&./data/test/tab1\&.ibd
================PAGE TYPE SUMMARY==============
#PAGE_COUNT PAGE_TYPE
===============================================
2 Index page
0 Undo log page
1 Inode page
0 Insert buffer free list page
2 Freshly allocated page
1 Insert buffer bitmap
0 System page
0 Transaction system page
1 File Space Header
0 Extent descriptor page
0 BLOB page
0 Compressed BLOB page
0 Other type of page
===============================================
Additional information:
Undo page type: 0 insert, 0 update, 0 other
Undo page state: 0 active, 0 cached, 0 to_free, 0 to_purge, 0 prepared, 0 other
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-page\-type\-dump\fR,
\fB\-D\fR
Dump the page type information for each page in a tablespace to
stderr
or
stdout\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-page\-type\-dump=/tmp/a\&.txt \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fB\-\-log\fR,
\fB\-l\fR
Log output for the
\fBinnochecksum\fR
tool\&. A log file name must be provided\&. Log output contains checksum values for each tablespace page\&. For uncompressed tables, LSN values are also provided\&. The
\fB\-\-log\fR
replaces the
\-\-debug
option, which was available in earlier releases\&. Example usage:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-\-log=/tmp/log\&.txt \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.sp
or:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \-l /tmp/log\&.txt \&.\&./data/test/tab1\&.ibd
.fi
.if n \{\
.RE
.\}
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\-
option\&.
Specify the
\-
option to read from standard input\&. If the
\-
option is missing when
\(lqread from standard in\(rq
is expected,
\fBinnochecksum\fR
prints
\fBinnochecksum\fR
usage information indicating that the
\(lq\-\(rq
option was omitted\&. Example usages:
.sp
.if n \{\
.RS 4
.\}
.nf
cat t1\&.ibd | innochecksum \-
.fi
.if n \{\
.RE
.\}
.sp
In this example,
\fBinnochecksum\fR
writes the
crc32
checksum algorithm to
a\&.ibd
without changing the original
t1\&.ibd
file\&.
.sp
.if n \{\
.RS 4
.\}
.nf
cat t1\&.ibd | innochecksum \-\-write=crc32 \- > a\&.ibd
.fi
.if n \{\
.RE
.\}
.RE
Running innochecksum on Multiple User\-defined Tablespace Files
.PP
The following examples demonstrate how to run
\fBinnochecksum\fR
on multiple user\-defined tablespace files (\&.ibd
files)\&.
.PP
Run
\fBinnochecksum\fR
for all tablespace (\&.ibd) files in the
\(lqtest\(rq
database:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \&./data/test/*\&.ibd
.fi
.if n \{\
.RE
.\}
.PP
Run
\fBinnochecksum\fR
for all tablespace files (\&.ibd
files) that have a file name starting with
\(lqt\(rq:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \&./data/test/t*\&.ibd
.fi
.if n \{\
.RE
.\}
.PP
Run
\fBinnochecksum\fR
for all tablespace files (\&.ibd
files) in the
data
directory:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum \&./data/*/*\&.ibd
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.sp
.\}
.RS 4
.it 1 an-trap
.nr an-no-space-flag 1
.nr an-break-flag 1
.br
.ps +1
\fBNote\fR
.ps -1
.br
.PP
Running
\fBinnochecksum\fR
on multiple user\-defined tablespace files is not supported on Windows operating systems, as Windows shells such as
\fBcmd\&.exe\fR
do not support glob pattern expansion\&. On Windows systems,
\fBinnochecksum\fR
must be run separately for each user\-defined tablespace file\&. For example:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum\&.exe t1\&.ibd
innochecksum\&.exe t2\&.ibd
innochecksum\&.exe t3\&.ibd
.fi
.if n \{\
.RE
.\}
.sp .5v
.RE
Running innochecksum on Multiple System Tablespace Files
.PP
By default, there is only one
InnoDB
system tablespace file (ibdata1) but multiple files for the system tablespace can be defined using the
innodb_data_file_path
option\&. In the following example, three files for the system tablespace are defined using the
innodb_data_file_path
option:
ibdata1,
ibdata2, and
ibdata3\&.
.sp
.if n \{\
.RS 4
.\}
.nf
\&./bin/mysqld \-\-no\-defaults \-\-innodb\-data\-file\-path="ibdata1:10M;ibdata2:10M;ibdata3:10M:autoextend"
.fi
.if n \{\
.RE
.\}
.PP
The three files (ibdata1,
ibdata2, and
ibdata3) form one logical system tablespace\&. To run
\fBinnochecksum\fR
on multiple files that form one logical system tablespace,
\fBinnochecksum\fR
requires the
\-
option to read tablespace files in from standard input, which is equivalent to concatenating multiple files to create one single file\&. For the example provided above, the following
\fBinnochecksum\fR
command would be used:
.sp
.if n \{\
.RS 4
.\}
.nf
cat ibdata* | innochecksum \-
.fi
.if n \{\
.RE
.\}
.PP
Refer to the
\fBinnochecksum\fR
options information for more information about the
\(lq\-\(rq
option\&.
.if n \{\
.sp
.\}
.RS 4
.it 1 an-trap
.nr an-no-space-flag 1
.nr an-break-flag 1
.br
.ps +1
\fBNote\fR
.ps -1
.br
.PP
Running
\fBinnochecksum\fR
on multiple files in the same tablespace is not supported on Windows operating systems, as Windows shells such as
\fBcmd\&.exe\fR
do not support glob pattern expansion\&. On Windows systems,
\fBinnochecksum\fR
must be run separately for each system tablespace file\&. For example:
.sp
.if n \{\
.RS 4
.\}
.nf
innochecksum\&.exe ibdata1
innochecksum\&.exe ibdata2
innochecksum\&.exe ibdata3
.fi
.if n \{\
.RE
.\}
.sp .5v
.RE