Fix restore -C to handle correctly directories containing a file with the same name...
[dump.git] / CHANGES
1 $Id: CHANGES,v 1.267 2005/01/14 13:04:07 stelian Exp $
2
3 Changes between versions 0.4b38 and 0.4b39 (released ???????????????)
4 =====================================================================
5
6 1. The newly added dump_on_cd_3 example was buggy, replace it
7 with an updated version from Andrew Basterfield
8 <bob@cemetery.homeunix.org>.
9
10 2. Made restore to chdir() back into the initial directory when
11 dumping core while aborting a comparision operation. The
12 previous behaviour was to write the corefile at the root of
13 the directory being compared, which could very well be
14 read only and preventing the corefile generation. Thanks
15 to Kenneth Porter <shiva@sewingwitch.com> for the bug report.
16
17 3. Silenced the failure to call fgetflags() when comparing an
18 entry which has no ext2 attributes (as in lsattr()).
19
20 4. Fix a brown paper bug in restore -C which broke restore and
21 caused modifications on the filesystem being compared
22 (directories containing a file with the same name as the
23 directory get renamed to RSTTMP...). Thanks to Kenneth Porter
24 <shiva@sewingwitch.com> for finding the bug and helping me
25 reproduce it.
26
27 Changes between versions 0.4b37 and 0.4b38 (released January 7, 2005)
28 =====================================================================
29
30 1. Fix a couple of troff syntax bugs in the man pages.
31 Thanks to Eric Raymond <esr@thyrsus.com> for the patch.
32
33 2. Made restore use either libncurses or libtermcap, depending
34 on which one is available at configure time.
35
36 3. Fixed restore negative size display bug when comparing a
37 dump containing files over 2GB. Thanks to Steve Bonds
38 <sbonds@users.sourceforge.net> for the bug report.
39
40 4. Do not save directory entries to non-dumped inodes
41 (excluded from dump). This will eliminate the 'missing
42 file' warnings when doing 'restore -C'.
43
44 5. Fix dump crash when backuping a huge (2TB) filesystem,
45 due to a bogus calculation on the inode map size.
46 Thanks to Kevin B. Haines <K.B.Haines@rl.ac.uk> for
47 submitting the bug and testing the fix.
48
49 6. Fix a problem in restore where the final \0 in the symbolic
50 link names could have been lost, generating corrupt filenames.
51 Thanks to Kyle Wilson <kyle.wilson@amd.com> for reporting the
52 bug.
53
54 7. Implemented a hash list for the directory names in restore.
55 The linear list used before caused problems in interactive
56 restores when dealing with directories having thousands of
57 entries. Thanks to Brian Ristuccia <bristuccia@starentnetworks.com>
58 for reporting the bug.
59
60 8. Improved restore -C, this time including the directory
61 attributes into the comparision.
62
63 9. Made restore understand tapes containing EA/ACLs (which will
64 be dumped by the next version of dump). In this version
65 extended attributes on the tape are ignored, for full EA/ACL
66 support wait for the next version or try the experimental EA
67 patch.
68
69 Changes between versions 0.4b36 and 0.4b37 (released July 7, 2004)
70 ==================================================================
71
72 1. Added the --enable-staticz configure option which enables
73 dump and restore to be linked with static versions of
74 libz and libbz2 (and dynamic versions of all other libraries).
75 This will make Debian users happy, because libz and libbz2
76 were the only needed libraries living in /usr, all the
77 others live in /lib. In case of system emergency, it is
78 better not to have to rely on an extra filesystem.
79 Thanks to Bdale Garbee <bdale@gag.com> for the suggestion.
80
81 2. Fix compilation on (at least the Linux Debian port to) AMD64.
82 (<ext2fs/ext2_types.h> defines some types (__s64 and __u64)
83 that are also defined by <linux/types.h> (<asm/types.h>) and
84 they conflict).
85
86 3. Make dump's reading of the dumpdates file a bit more robust,
87 preventing dump from crashing when the dumpdates file has
88 been modified by hand.
89
90 4. Fixed some offset calculations in dump code which could
91 lead to "bread lseek errors" on large filesystems. Thanks
92 to Bruce Lowekamp <lowekamp@users.sourceforge.net> for
93 reporting this bug and debugging the issue.
94
95 5. Made dump use the blkid library when searching for devices
96 by label or uuid instead of dump's own routines.
97
98 6. Corrected a bug in dump where a wrong LABEL=... line in
99 /etc/fstab could prevent dump from dumping unrelated
100 filesystems. Thanks to Bruce Lowekamp
101 <lowekamp@users.sourceforge.net> for reporting the bug.
102
103 Changes between versions 0.4b35 and 0.4b36 (released April 21, 2004)
104 ====================================================================
105
106 1. Fixed dump compilation with old gcc versions. Thanks to
107 Mike Castle <dalgoda@users.sourceforge.net> for the patch.
108
109 2. Fixed some warnings (howmany, roundup, powerof2 redefined)
110 when compiling against a recent glibc version.
111
112 3. Fixed a bug in restore preventing the read of a dump tape
113 written with Solaris 7 ufsdump. Thanks to Patrick Higgins
114 <phiggins@transzap.com> for reporting the bug and providing
115 the test case.
116
117 4. Changed dump to enable the creation of volumes of different
118 sizes in a single run (make -B accept a list of values).
119 Patch contributed by Florian Zumbiehl <florz@gmx.de>.
120
121 5. Use the glibc provided minor() and major() macros instead
122 of our own bitmask implementation. This should be safe for
123 when the major/minor namespace will migrate to 32 bits.
124 Thanks to Zhang Jun <zhangjun@nanjing-fnst.com> for reporting
125 the bug.
126
127 6. Made explicit in the dump man page that dump will not create
128 a remote file, it will only write to an already existing one.
129
130 7. Another try at making size estimates better again.
131
132 8. Put back the inconditional running of the end-of-tape
133 script which was changed in 0.434 to be run only when -M
134 or multiple -f were NOT specified. Some users rely on this
135 feature even when it is combined with -M/-f.
136
137 9. Fixed restore when restoring huge backups (where rstdir...
138 temporary files are over 2GB). Thanks to
139 Raphael Jaffey <rjaffey@artic.edu> for reporting this,
140 debugging the issue and making the patch.
141
142 10. Made restore understand FreeBSD UFS2 tapes. Thanks to
143 David <vrtin@users.sourceforge.net> for submitting the bug
144 and providing a test case.
145
146 11. Made dump work with an arbitrary integer level (no more 10
147 levels only limitation). Thanks to Matthew
148 <msvincen@midway.uchicago.edu> for the patch.
149
150 Changes between versions 0.4b34 and 0.4b35 (released December 21, 2003)
151 =======================================================================
152
153 1. Added a note in the dump man page saying that the default
154 blocksize can be 32 if -d is used with a high density argument.
155 Thanks to Antonios Christofides <A.Christofides@itia.ntua.gr>
156 for the patch.
157
158 2. Fixed configure to correctly understand CPPFLAGS, CFLAGS,
159 LDFLAGS environment variables. Thanks to Arcady Genkin
160 <antipode@users.sourceforge.net> for reporting the bug.
161
162 3. Made -e/-E options of dump accept an unlimited number of inodes
163 to be excluded, rather than a hardcoded maximum. Thanks to
164 Dietrich Rothe <d-rothe@users.sourceforge.net> for the patch.
165
166 4. Updated the autoconf system to 2.50. Forced the -D_BSD_SOURCE
167 and -D_USE_BSD_SIGNAL defines in configure in order to solve
168 64bit build problems because quad_t is redifined with a
169 different signature. Thanks to Mike Harris <mharris@redhat.com>
170 for reporting this bug.
171
172 5. Made restore build on Solaris, making possible to
173 restore Linux's "enhanced" tapes. Thanks to Uwe Gohlke
174 <uwe@ugsoft.de> for the patch.
175
176 6. Made an extension in the dump tape format capable of saving
177 MacOSX specific inode extensions. Uwe Gohlke <uwe@ugsoft.de>
178 wrote the extension and contributed the restore code back
179 into this codebase. The same extension mechanism will be
180 used in the future to save ACLs...
181
182 7. Made rmt work correctly with regard to QFA and local/remote
183 files and tapes. The remote access will however work only
184 when the dump provided rmt version is used. If you want to
185 use another rmt server, please do not use the QFA feature.
186 Thanks to Uwe Gohlke <uwe@ugsoft.de> for the patch.
187
188 Changes between versions 0.4b33 and 0.4b34 (released April 18, 2003)
189 ====================================================================
190
191 1. Fixed the INSTALL file to reflect the actual install paths.
192 Thanks to David Ronis <ronis@ronispc.chem.mcgill.ca> for
193 reporting the bug.
194
195 2. Fixed the configure script to only check for headers presence
196 instead of trying to compile them. This should fix issues
197 with old build environments. Thanks to Kari Lempiainen
198 <kari@funky.pp.fi> for reporting the bug.
199
200 3. Fixed restore to correctly ignore sockets when comparing
201 a dump (as socket cannot be properly restored anyway). Thanks
202 to Gunther Reiszig <gunther@mit.edu> for reporting the bug.
203
204 4. Fixed restore to correctly access the archive file (-A argument)
205 even when using a remote tape. Thanks to Fabrice Bellet
206 <fabrice@bellet.info> for reporting the bug.
207
208 5. Fixed (again) handling of long (largefile) seeks in rmt.
209 Thanks to Fabrice Bellet <fabrice@bellet.info> for reporting
210 the bug.
211
212 6. Fixed restore corner case when dealing with large block sizes
213 dump is able to write now (-b 1024). Thanks to Fabrice Bellet
214 <fabrice@bellet.info> for reporting the bug.
215
216 7. Fixed a bug preventing dump to access a filesystem having
217 a label exactly 16 bytes in length. Thanks to <minduni@ti-edu.ch>
218 for reporting the bug.
219
220 8. Made dump store dump dates using explicit timezones, fixing a
221 problem with incremental dumps if the timezone is modified
222 between the dumps. Thanks to Philippe Troin <phil@fifi.org> for
223 the bug report and the patch.
224
225 9. Fixed a bug encountered when dumping individual files (not full
226 filesystems or directories) and dangling symbolic links happen
227 to be in the list of files. For as far as dump is concerned,
228 dangling symbolic links are allowed, and are dumped as is.
229 Thanks to Jin-su Ahn <jsahn@ee.snu.ac.kr> for reporting the
230 bug and providing the fix.
231
232 10. Fixed open and creation modes and permissions for QFA and
233 table-of-contents files in dump and restore. Thanks to
234 Philippe Troin <phil@fifi.org> for the patch.
235
236 11. Fixed the archive file descriptor handling enabling it to be 0.
237 This can happen in some cases when shell redirections are used.
238 Thanks to Philippe Troin <phil@fifi.org> for the patch.
239
240 12. Delayed the opening of archive file until after suid had been
241 dropped (fixing a possible security issue if dump is suid).
242 Thanks to Philippe Troin <phil@fifi.org> for the patch.
243
244 13. Fixed the 'S' command handling in the rmt client part.
245 Thanks to Philippe Troin <phil@fifi.org> for the patch.
246
247 14. Modified the end-of-tape script handling to print out statistics
248 (and stop the timer) before launching the eot script. Also, the eot
249 script does not get run anymore when using -M (which makes sense) or
250 when multiple tapes are listed on the command line
251 (-f tape0,tape1,tapen) (which also makes sense).
252 Thanks to Philippe Troin <phil@fifi.org> for the patch.
253
254 15. Relicensed dump/restore under the 'revised' BSD license, as per
255 ftp://ftp.cs.berkeley.edu/ucb/4bsd/README.Impt.License.Change.
256
257 16. Added LZO compression to dump. This new compression method has
258 the advantage of being super fast, thus not killing tape streaming
259 on slow machines. Thanks to Helmut Jarausch
260 <jarausch@igpm.rwth-aachen.de> for the patch and to
261 Markus Oberhumer <markus@oberhumer.com> for giving special permission
262 to include his miniLZO project (GPL licensed) in dump/restore.
263
264 17. Some small buffer overruns fixes in rmt. Thanks to Antonomasia
265 <ant@notatla.demon.co.uk> for reporting the bugs.
266
267 18. Added a special rmt version which can do encryption when writing
268 to tape. Read examples/encrypted_rmt/README for details on
269 how to enable and configure it. Thanks to Ken Lalonde
270 <ken@globalremit.com> for the patch.
271
272 19. Made dump work with 2.5 kernel end of tape early warning semantics.
273 Thanks to Kai Makisara <Kai.Makisara@kolumbus.fi> for the patch.
274
275 20. Fixed a bug which caused dump -w|-W not to work anymore, because
276 the fs_freq and fs_passno fields in /etc/mtab are always set
277 to 0 0. Thanks to Trent Piepho <xyzzy@speakeasy.org> for
278 reporting the bug.
279
280 Changes between versions 0.4b32 and 0.4b33 (released February 10, 2003)
281 =======================================================================
282
283 1. Added a note in the restore man page clarifying the question
284 'set the permissions on the current directory ?' asked by
285 restore at the end of treatment in -i and -x modes.
286
287 2. Fixed the endianess issues when reading compressed tapes.
288 Thanks to Dark Force <daq4th@users.sourceforge.net> for
289 reporting this bug and providing test cases.
290
291 3. Fixed the "ACL won't be dumped" warning message (which showed
292 an extra, unrelated error message). Thanks to Dragan Krnic
293 <dkrnic@lycos.com> for reporting this bug.
294
295 4. Made dump look first into /etc/mtab, then into /etc/fstab
296 when searching for filesystem paths. Also fixed some problems
297 caused by binding mounts or multiple block device mounts.
298 Thanks to Matus Uhlar <uhlar@fantomas.sk>, Elliott Mitchell
299 <ehem@m5p.com>, Greg Edwards <gedwards@users.sourceforge.net>,
300 Brian Hoy <brian.hoy@opus.co.nz>. (fixes Debian bugs #147086
301 and #160305, Sourceforge bugs #618699 and #679832).
302
303 5. Made dump's -I option accept the value '0' meaning all the
304 read errors will be ignored. This can be useful when running
305 dump from unattended sessions (like cron jobs). Thanks to
306 John I Wang <jiwang@users.sourceforge.net> for the suggestion.
307
308 6. Fixed the output of dump to indicate 'blocks' instead of
309 'tape blocks' in the various messages (blocks are always
310 1 Kilobyte, tape blocks are 1 BK * '-b' argument), and
311 made it clearly print the current blocksize at the start of
312 a dump. Thanks to Michal Szymanski <msz@astrouw.edu.pl> for
313 the suggestions.
314
315 7. Made rmt understand long (largefiles) seeks.
316
317 8. Fixed build with very old versions of libext2fs, where
318 EXT2_FT_* constants were undefined.
319
320 9. Made dump accept the dumpdates path on the command line
321 (-D file option) instead of using only the hardcoded one.
322 Thanks to Piete Brooks <pb22@users.sourceforge.net> for the
323 suggestion.
324
325 10. Enabled rmt, LFS, readline, QFA options by default in
326 ./configure. Updated the configure process (new versions
327 of config.guess, config.sub etc).
328
329 Changes between versions 0.4b31 and 0.4b32 (released November 15, 2002)
330 =======================================================================
331
332 1. Changed dump to use fcntl(F_SETLK) style locking instead
333 of flock() when locking the dumpdates file. With the old
334 locking scheme, a local user having read rights on the
335 dumpdates file could be able to do a Denial of Service attack
336 on dump. In order to lock the dumpdates file with the new
337 scheme, the user would need to have write access on the file.
338 Thanks to Richard Johnson <Richard.Johnson3@ey.com> for
339 reporting the bug (originally a bugtraq post).
340
341 2. Fixed interactive 'ls' which caused spurious errors warnings
342 about 'undefined filetypes' detected. Thanks to Jorgen Ostling
343 <jorgen_ostling@users.sourceforge.net> for reporting this
344 bug.
345
346 3. Fixed dump's estimate when dealing with sparse inodes.
347
348 4. Modified dump to allow setting a blocksize bigger than 32kB
349 (raised the limit to 1024kB), because newer hardware needs
350 this for proper operation. Thanks to Dirk Traenapp
351 <dtraenapp@users.sourceforge.net> for reporting this.
352
353 5. Fixed a bug causing Dump to stop and report an error if an
354 inode number in the exclude file was followed by some amount
355 of whitespace. Thanks to Jeffrey Sofferin
356 <sofferin@users.sourceforge.net> for reporting this bug.
357
358 6. Fixed a bug which caused restore, in some particular cases,
359 to ask some 'scary' questions and leave a bunch of RSTTMP
360 directories behind when restoring incremental tapes. Thanks
361 to Philippe Troin <phil@fifi.org> for reporting this bug and
362 providing the test cases.
363
364 7. Changed the wording when inodes are excluded from dump:
365 replaced 'Added inode 7 to exclude list' with
366 'Excluding inode 7 (resize inode) from dump', as suggested
367 by Elliott Mitchell <ehem@m5p.com> in a Debian bug report.
368
369 Changes between versions 0.4b30 and 0.4b31 (released July 30, 2002)
370 ===================================================================
371
372 1. Fixed rmt open flags transmission (GNU's symbolic syntax over
373 rmt) which I broke in 0.4b29. Thanks to Eros Albertazzi
374 <eros@lamel.bo.cnr.it> for reporting the bug.
375
376 Changes between versions 0.4b29 and 0.4b30 (released July 25, 2002)
377 ===================================================================
378
379 1. Made dump print out the ext2 logical block number in case of a read
380 error, which can be given as an argument to debugfs' ncheck command,
381 in order to find out the affected inode. Added note about this
382 usage in dump's man page.
383
384 2. Fixed a problem in restore when reading tapes written on big
385 endian machines with very old versions of dump. The patch was
386 contributed by George Helffrich <george@geology.bristol.ac.uk>.
387
388 3. Fixed the tape length calculation when using large tapes
389 and compression. Thanks to Georg Lippold
390 <g_lippold@sourceforge.net> for reporting the bug.
391
392 4. Added a new set of examples in dump_on_cd_2 directory, based
393 on dump_on_cd examples but somewhat enhanced, supporting DVD
394 media, and localized in english and german. Thanks to
395 Georg Lippold <g_lippold@sourceforge.net> for the new scripts.
396
397 5. Made dump save 32 bit UID/GID. Internally, this was achieved
398 by switching from the old BSD inode format to the new BSD
399 inode format, which means that the tape format was changed.
400 However, since all restore versions out there should
401 transparently support both inode formats, the change should
402 have no side effects. Thanks to John Yu <jky@cs.bu.edu> for
403 reporting the bug.
404
405 6. Fixed a lot of warnings in the code shown when compiling
406 with 'gcc -W'. Thanks to Matthias Andree
407 <matthias.andree@stud.uni-dortmund.de> for reporting this.
408
409 7. Fixed a small markup bug in the dump man page. Thanks to
410 Eric S. Raymond <esr@minx.thyrsus.com> for submitting the
411 patch.
412
413 8. Rewrote entirely the man pages using the tmac.an macro
414 package (Linux man page format) instead of the original BSD
415 format. They should be now cleaner and easier to modify.
416
417 Changes between versions 0.4b28 and 0.4b29 (released June 8, 2002)
418 ==================================================================
419
420 1. Fixed a problem in the rmt ioctl command, where ioctl's issued from
421 non Linux clients were misinterpreted. The description of the problem
422 (incompatible numbering in Linux mtio opcodes) is documented at
423 ftp://ftp.fokus.gmd.de/pub/unix/star/README.mtio . Thanks to
424 Jörg Schilling <schilling@fokus.gmd.de> for reporting this bug and
425 providing an excellent, cross-platform replacement for rmt in his
426 star package.
427
428 2. Fixed a bug reported by Andy Mentges <amentges@jumpline.com>
429 which caused restore to fail when the inode maps were not entirely
430 contained on the first volume (when using really small volumes or
431 when dumping a huge number of inodes).
432
433 3. Fixed a problem in dump, where files in subdirectories of directories
434 that have the nodump flag set (or being excluded with -e/-E) were
435 sometimes incorrectly dumped (instead of being excluded). The original
436 fix is from David C Lawrence <tale@dd.org> in the FreeBSD version
437 of dump: http://www.FreeBSD.org/cgi/query-pr.cgi?pr=32414
438 Thanks to Ted Grzesik <tedgyz@roostme.com> for reporting the bug and
439 help testing the patch.
440
441 4. Added some example scripts from Gerd Bavendiek <bav@epost.de>
442 which makes one able to pipe the output of dump, by the net, to
443 a remote CD-burner server.
444
445 5. Made dump use O_CREAT|O_TRUNC both locally and remotely (over rmt),
446 and use GNU's symbolic syntax over rmt instead of numerical values
447 to assure multiple platform compatibility.
448
449 6. Documented the -d option in restore.
450
451 7. Added a -v (verbose) mode to dump. For now it just prints the number
452 of the inode being dumped, but this could evolve in future versions
453 to include interesting debugging output.
454
455 8. Added a -o flag to restore, which automatically restores the current
456 directory permissions in -i or -x mode, without asking the operator
457 whether to do so. Patch submitted by Tony Clayton <tonyc@e-smith.com>
458 and Peter Samuel <peters@e-smith.com>.
459
460 Changes between versions 0.4b27 and 0.4b28 (released April 12, 2002)
461 ====================================================================
462
463 1. Fixed a bug in the QFA feature which could have caused
464 a bad tape positionning on restore (causing extra delays in
465 restore). Credits go to Uwe Gohlke <uwe@ugsoft.de>.
466
467 2. Added a small note in the dump man page specifying that
468 there should be no white space between the option letter and
469 the -j or -z parameter, thanks to Kenneth Porter <shiva@well.com>
470
471 3. Made restore work with older versions of the readline library,
472 by checking in configure for several extended symbols. Restore
473 can now be compiled with a readline as old as the 2.0 release
474 (though it may be a good idea to upgrade it to a more recent
475 version...). Thanks to Andrew Donkin <ard@waikato.ac.nz> for
476 reporting the build failures.
477
478 4. Fixed a performance problem with the QFA file creation in
479 dump, which made unnecessary seeks on the tape slowing down
480 the dump. Thanks to Andrew Donkin <ard@waikato.ac.nz> for
481 reporting this issue.
482
483 5. Removed the inclusion of some kernel headers in the dump
484 source, which prevented the compile in some kernel/glibc
485 headers/architecture combination. Thanks to Bdale Garbee
486 <bdale@gag.com> for reporting the bug.
487
488 6. Added the appropriate error message when dump fails to
489 open the output file for writing. Thanks to Amith Varghese
490 <amithv@yahoo.com> for reporting this bug.
491
492 7. Made restore able to understand large Solaris ufsdump tapes
493 (containing inodes bigger than 4194304). Sun have introduced
494 an "extension" to the dump tape format when dealing with
495 those inodes, which was uncorrectly handled by Linux restore.
496 Thanks to Uwe Gohlke <uwe@ugsoft.de> for reporting the bug and
497 providing a test case.
498
499 8. Added the -m parameter to dump which optimises the output for
500 inodes having been changed but not modified since the last dump
501 ('changed' and 'modified' have the meaning defined in stat(2)).
502 For those inodes, dump will save only the metadata, instead of
503 saving the entire inode contents. Inodes which are either
504 directories or have been modified since the last dump are saved
505 in a regular way. Uses of this flag must be consistent, meaning
506 that either every dump in an incremental dump set have the flag,
507 or no one has it.
508
509 Changes between versions 0.4b26 and 0.4b27 (released February 15, 2002)
510 =======================================================================
511
512 1. Fixed behaviour of dump when exceeding resource limits
513 (SIGXFSZ treatment).
514
515 2. Added the -L flag to restore to allow the user to specify a
516 maximal allowed number of miscompares when using restore
517 with the -C option to check the backup.
518
519 3. Detailed the manual entry for the -N option of restore.
520
521 4. Added the -a flag to restore to make able doing unattended
522 restores in -i or -x mode (automatically walks through the
523 multiple dump volumes).
524
525 5. Extended the QFA mode to work with local files and/or
526 remote tapes and files. This way, restore can know in advance
527 the tape number and the offset for the inodes to extract and
528 can minimize the extraction time by seeking directly to the
529 good tape/offset.
530
531 6. Added the -A <archive> option to both dump and restore,
532 which makes dump to archive a dump table-of-contents in
533 the specified file to be used by restore to determine
534 whether a file is in the dump file that is being restored.
535 (the archive file syntax is also compatible with the
536 Solaris ufsdump generated one).
537
538 7. Small fix in restore making it able to read some (broken ?)
539 Solaris ufsdump tapes.
540
541 8. Fixed dump to correctly recognise the root filesystem when using
542 ext2 disk labels (LABEL=/). Thanks to John Yu <jky@it.bu.edu>
543 for reporting this bug.
544
545 9. Added the -P <file> option to restore to create a
546 Quick File Access file from an already made dump. Patch
547 contributed by Uwe Gohlke <uwe@ugsoft.de>.
548
549 10. Made restore compile and run on Solaris, making it a
550 possible replacement for the standard ufsrestore. Port was
551 contributed by Uwe Gohlke <uwe@ugsoft.de>.
552
553 Changes between versions 0.4b25 and 0.4b26 (released January 7, 2002)
554 =====================================================================
555
556 1. Added a set of backup scripts from Eugenio Diaz
557 <getnito@yahoo.com> in the examples section. It features
558 automatic (cron based) full and incremental dumping of
559 several filesystems on a separate filesystem.
560
561 2. Fixed a off-by-one miscalculation which disabled dumping
562 a one letter subdirectory. Thanks to Chris Siebenmann
563 <cks@utcc.utoronto.ca> for reporting the bug.
564
565 3. Fixed several restore bugs occuring when trying to
566 restore some missing files on the tape. Thanks to Chris
567 Siebenmann <cks@utcc.utoronto.ca> for reporting the bug.
568
569 4. Fixed --with-ldopts configure argument passing, installing from
570 a separate object directory, makefile cleanups contributed
571 by <splite@purdue.edu>.
572
573 5. Fix a bug which could caused, in some conditions, the highest
574 number inode of a filesystem, to not be dumped. Many thanks
575 to Chris Siebenmann <cks@utcc.utoronto.ca> for helping me
576 chase this bug.
577
578 Changes between versions 0.4b24 and 0.4b25 (released November 17, 2001)
579 =======================================================================
580
581 1. Added a mini howto from Patrick Walsh in the examples
582 directory.
583
584 2. Minor man pages syntax corrections. Thanks to
585 Chris Danis <screechco@home.com> for reporting the bugs.
586
587 3. Added a script from David B. Peterson <dave@toppledwagon.com>
588 to the examples section. It features dumping several
589 filesystems to a remote tape drive upon ssh.
590
591 4. Added a patch provided by Richard Jones <rich@annexia.org>
592 which allows BRADEMAX (number of read errors tolerated by
593 dump) to be adjusted using the -I option.
594
595 5. Fixed a bug which disabled doing "restore -C -f -". Thanks
596 to Clemens Stiglechner <a9401816@unet.univie.ac.at> for the
597 patch.
598
599 6. Add the -l option to restore to specify if, when doing a
600 remote restore, the file used to access the backup is a
601 regular file (the defaults being a tape drive). Restore needs
602 to know this information when reading a remote compressed
603 dump. Previously, this information was autodetected, but
604 the autodetection code fails (with ioctl: Inappropriate ioctl
605 for device) when using a non Linux remote box. Thanks to
606 many users and especially to Eros Albertazzi
607 <eros@lamel.bo.cnr.it> for reporting this.
608
609 7. Found a workaroung for the dump deadlock problem (3 childs
610 stuck in pause(), father in read()). The workaround seems
611 to work for me and several beta-testers. If it doesn't work
612 for you, please report back.
613
614 8. Updated the RPM spec file (BuildPrereq, URL etc).
615
616 Changes between versions 0.4b23 and 0.4b24 (released September 12, 2001)
617 ========================================================================
618
619 1. Fixed the permissions of a newly created QFA file by dump.
620
621 2. Cleaned up the source of dump (the external variables
622 definition was a complete mess, making possible to have
623 objects overlap).
624
625 3. Fixed restore to use the full tape volume path when doing
626 a compare (since it changes the working directory to the
627 filesystem being compared in the process).
628
629 4. Added the -q option to dump which makes dump abort
630 whenever it needs operator attention. It should be
631 easier to use dump in scripts with this option.
632
633 5. Detect the use of incompatible options to dump and
634 refuse them (like -a and -B options together).
635
636 6. Added bzip2 compression to dump/restore (use option -j level
637 to select it). Note that you will need a restore version
638 >= 0.4b24 in order to restore a bzip2 compressed dump.
639 The same warning as for the zlib compression applies:
640 the tape format of a bzip2 dump is not compatible with the
641 original BSD tape format.
642
643 7. Fixed a overflow problem in dump corrupting the dump when
644 very large files were encountered. Thanks to Vladimir Nadvornik
645 for the bug report.
646
647 8. Added a ioctl(BLKFLSBUF) in dump which should flush the
648 kernel buffer/page cache before starting the dump, helping
649 a bit those who use dump on mounted filesystems. Thanks to
650 John Yu <jky@it.bu.edu> and to Theodore T'so <tytso@mit.edu>
651 for this suggestion.
652
653 9. Updated the RPM spec file following the RedHat changes
654 (dynamically linked binaries now in /usr/sbin etc).
655
656 10. Added a patch from Helmut Jarausch <jarausch@igpm.rwth-aachen.de>
657 which enables restore to recognise multi volume compressed dumps
658 done on CD. Included his scripts for dump (which pipe the dump
659 output directly into cdrecord) and restore. There is now
660 possible to to backups to CD on the fly!
661
662 Changes between versions 0.4b22 and 0.4b23 (released July 20, 2001)
663 ===================================================================
664
665 1. Fixed a buffer overflow in restore/tape.c. Patch provided by
666 Marcus Meissner (Caldera International Security Dept.).
667
668 2. Implement the Sun rmt extended protocol. Patch submitted
669 by Ian Gordon <iangordon@users.sourceforge.net>.
670
671 3. Check for the e2fsprogs header <ext2fs/ext2_fs.h> instead of
672 the linux kernel header. This ensures that dump always has the
673 latest version of this file. Patch submitted by
674 Andreas Dilger <adilger@turbolinux.com>.
675
676 4. Report any filesystem present in either /etc/fstab with a
677 positive passno or /etc/dumpdates in dump -w output.
678 Patch submitted by Andreas Dilger <adilger@turbolinux.com>.
679
680 5. Fixed the looping problem in dump introduced in the
681 previous version.
682
683 6. Changed the -B option of dump to limit the size of
684 _compressed_ output per volume if compression is on.
685 Patch contributed by Helmut Jarausch
686 <jarausch@igpm.rwth-aachen.de>. Note however that, since
687 it is impossible to predict the size of the compressed
688 data before doing the compression, the -B limit is a bit
689 conservative.
690
691 7. Fixed a bug in reading the operator typed file/tape path for
692 the next volume in restore.
693
694 8. Implemented a "-F script" option to restore which permits the
695 user to specify a script which will be launched at the
696 beginning of each tape, useful for automatic programming of
697 tape changers for example. See the restore man page for the
698 script parameters and return codes.
699
700 9. Small fix for the QFA routines provided by Uwe Gohlke
701 <uwe@ugsoft.de>, and some recommendations for QFA uses in
702 the man pages.
703
704 10. Fixed the multivolume restoring where making a mistake
705 to the 'Mount next tape' prompt caused several blocks to
706 be lost.
707
708 11. Enhanced the -e option of dump to take as a parameter a
709 comma separated list of inode numbers.
710
711 12. Added the -E option to dump which specify a file containing
712 inode numbers to exclude from the dump.
713
714 13. Fixed the compressed multi-volume dump + restore.
715
716 Changes between versions 0.4b21 and 0.4b22 (released May 12, 2001)
717 ==================================================================
718
719 1. Made dump report the number of blocks dumped per volume.
720 Thanks to Kenneth Porter <shiva@well.com> for the suggestion.
721
722 2. Fix a bug in dump where waiting too much at the 'change volumes'
723 question caused the volume to be rewritten. Thanks to
724 Graham Reed <greed@users.sourceforge.net> for reporting the
725 bug and providing a patch.
726
727 3. Added a compression option to dump, contributed by Jerry
728 Peters <gapeters@worldnet.att.net>.
729
730 WARNING: the compression works only on files/pipes and
731 drives supporting variable block size.
732
733 WARNING2: tapes created using the compression feature are
734 incompatible with the standard dump tape format, and a
735 version of restore >= 0.4b22 will be needed for extraction.
736
737 4. Fixed some compilation problems for glibc 2.2.2 and 64 bit
738 architectures. Thanks to Paul Slootman <paul@debian.org> for
739 the patch and to Bdale Garbee <bdale@gag.com> for forwarding
740 it upstream.
741
742 5. Many cleanups (CPP defines, const char warnings, check of
743 ext2fs COMPAT flags, time_t cleanups, added libext2 version
744 in dump usage text) by Andreas Dilger <adilger@turbolinux.com>.
745
746 6. Made --prefix option work in configure. All the install path
747 are now based on the configure parameters.
748
749 7. Added the Quick File Access mode in dump/restore, contributed
750 by Uwe Gohlke <uwe@ugsoft.de>. In this mode, dump stores in
751 a file tape position for each inode, and this file is used by
752 restore (if called with parameter Q and the filename)
753 to directly position the tape at the file restore is currently
754 working on. This saves hours when restoring single files from
755 large backups, saves the tapes and the drive's head. Use
756 --enable-qfa option of configure to compile in the QFA support.
757
758 8. Added the possibility to dump several files and directories
759 in a single invocation of dump. Thanks to Uwe Gohlke
760 <uwe@ugsoft.de> for implementing this option.
761
762 9. Fixed the dumping and restoring of files with holes
763 (files ending with holes didn't get dumped or restored
764 correctly).
765
766 10. Fixed a socket descriptor leak in dump, which leaved opened
767 3 file descriptors per dump process (and there is one dump
768 process per tape).
769
770 11. Fixed dump large file system support, by explicit use of
771 open64/lseek64/etc functions (explicit use needed because
772 e2fsprogs libraries don't behave well when compiled with
773 FILE_OFFSET_BITS=64).
774
775 Changes between versions 0.4b20 and 0.4b21 (released January 13, 2001)
776 ======================================================================
777
778 1. Fixed some bugs in the dump -w|-W logic introduced by
779 the previous version. Thanks to Andreas Dilger
780 <adilger@turbolinux.com> for his help on this one.
781
782 2. Fixed again a compilation problem when using old e2fs
783 headers (filesystem label related). Thanks to many users
784 who reported this stupid error.
785
786 3. Fixed a build problem on old lib5 based systems dealing with
787 _PATH_MNTTAB being undefined. Thanks to John Adams
788 <johna@onevista.com> for reporting the bug.
789
790 4. Improved the error detection in restore when creating
791 the temporary files in TMPDIR. Now restore will corectly
792 report a 'no space left on device' error instead of
793 strange errors which could imply an archive corruption.
794 Thanks to Gabriel Somlo <somlo@cs.colostate.edu> and
795 bgjenero <bgjenero@sympatico.ca> for reporting the bug.
796
797 5. Added the throughput information in dump's progression
798 messages. Thanks to Andreas Dilger <adilger@turbolinux.com>
799 for the patch.
800
801 6. Use libext2fs's inode scanning routines, which are particularly
802 robust when dealing with errors (especially when having some
803 bad blocks on the filesystem). Many thanks to Colin
804 <colin@horizon.com> for reporting the bug, investigating
805 the issues, finding a workaround, writing the patch and
806 fully testing it... (of course, if this patch will break
807 anything, he is to blame for :-)).
808
809 7. Made dump and restore LFS aware. Dump can dump a filesystem
810 containing large files, generate a large file on output and
811 restore can restore them. This feature is not enabled by
812 default, use --enable-largefile option of configure to enable
813 it (you need to have a LFS aware glibc though). Thanks to
814 Andrea Arcangeli <andrea@suse.de> for submitting the patch,
815 and to Theodore T'so <tytso@valinux.com> for his always
816 useful thoughts.
817
818 8. Made dump ask upon a tape write error if it should rewrite
819 the current volume (assume this is a bad tape) or if it should
820 assume an end-of-tape condition (useful for tape drives which
821 behaves badly at the end of the tape). Thanks to Andreas
822 Dilger <adilger@turbolinux.com> for the suggestion.
823
824 Changes between versions 0.4b19 and 0.4b20 (released November 10, 2000)
825 =======================================================================
826
827 1. Fixed a small compilation problem due to a change
828 in the definintion of the struct sigaction in
829 glibc 2.0 / libc5. Thanks to Gunther Schlegel
830 <schlegel@riege.de> for reporting the bug and to
831 Dave Platt <dplatt@snulbug.mtview.ca.us> for suggesting
832 a fix.
833
834 2. Modified the label and uuid analysis in order to be
835 self-contained (independant of kernel/libc headers). This
836 should fix the compile with older kernel/libc headers and
837 will preserve the functionality. Thanks to Bernhard Erdmann
838 <bernhard.erdmann@gmx.de> for reporting the bug.
839
840 3. The 'exclude inode' option, if applied to a directory
841 inode, excludes now correctly all the leaves of this
842 directory. Thanks to John R. Dennison
843 <gerdesas@users.sourceforge.net> for reporting the bug.
844
845 4. Fixed the '-e' option to disable the possibility
846 to exclude the root inode (which causes the dumps to
847 be unreadable by restore). Prevented array overflow
848 when multiple -e options are used.
849
850 5. Fixed dump to correctly interpret a filesystem argument
851 which is a mountpoint and it is not an absolute path
852 (as specified in the fstab). Thanks to Bernhard R. Erdmann
853 <be@berdmann.de> for reporting the bug.
854
855 6. Made dump able to backup files larger than 2 GB. Note that
856 dump still doesn't cope with files larger than 4 GB.
857
858 7. Restore the real uid and gid before invoking an external
859 RSH program (big hole when dump or restore is suid root!).
860
861 8. Get the values for the default tape device and the location
862 of fstab file from the system headers. Thanks to
863 Andreas Dilger <adilger@turbolinux.com> for the patch.
864
865 9. Made dump -w|-W report all recognized filesystems
866 present in either /etc/fstab or /etc/dumpdates, and present
867 the list in the same order as in fstab file. Thanks
868 to Andreas Dilger <adilger@turbolinux.com> for the patch.
869
870 10. Made dump's -a (automatic end of tape detection) the
871 default. Specifying one of -B, -c, -d or -s options will
872 override the EOM detection. Thanks to Andreas Dilger
873 <adilger@turbolinux.com> for the patch.
874
875 11. Save the ext2 filesystem label into the dump volume label.
876 Specifying a volume label on the command line (-L option)
877 will override this feature. Thanks to Andreas Dilger
878 <adilger@turbolinux.com> for the patch.
879
880 Changes between versions 0.4b18 and 0.4b19 (released August 20, 2000)
881 =====================================================================
882
883 1. Fixed the signal handling in dump (which I broke in 0.4b17)
884 which was causing several strange dump failures (dump
885 hanged or segmentation faults etc).
886
887 2. Specified the default blocksize in the dump man page.
888
889 3. Changed two info messages of restore to be written on stdout
890 instead of stderr in order to leave stderr only for errors
891 or warnings. Thanks to Stephen Atwell
892 <satwell@urbana.css.mot.com> for the suggestion.
893
894 4. Corrected an off by one calculation which prevented
895 dumping a directory having a 1 character name length.
896 Thanks to Bernhard Erdmann <bernhard.erdmann@gmx.de>
897 for reporting the bug.
898
899 5. Reinforce dump in order to allow only level 0 and no
900 -u option when dumping a subdirectory, and document
901 this in the man page. Thanks to Bernhard Erdmann
902 <bernhard.erdmann@gmx.de> for reporting the bug.
903
904 6. Fixed a small harmless bug in restore which caused
905 in some conditions hard links to be restored several
906 times (therefore generation some warning messages).
907 Thanks to Kenneth Porter <shiva@well.com> for
908 reporting the bug.
909
910 7. Updated the RPM spec file to the latest RedHat version,
911 providing FHS packaging and other cosmetic changes.
912 You will need RPM version >= 3.0.5 in order to build the RPM.
913
914 8. Updated the configure script to check for libtermcap
915 before checking for libreadline, because we need this
916 library in order to compile the readline support.
917
918 9. Made dump understand the LABEL= and UUID= notation
919 both in /etc/fstab and on the command line. Note that
920 you will need the /proc filesystem in order to use
921 these notations. Thanks to Erik Troan <ewt@redhat.com>
922 for providing the patch.
923
924 Changes between versions 0.4b17 and 0.4b18 (released June 30, 2000)
925 ===================================================================
926
927 1. Fixed a potential buffer overflow in restore. Thanks
928 to Stan Bubrouski <satan@fastdial.net> for reporting
929 the bug.
930
931 2. Fixed a readline-related bug which prevented
932 'cat DUMPFILE | restore -i -f -' from working. Thanks
933 to Charles Karney <karney@users.sourceforge.net>
934 for the bug report.
935
936 3. Changed a few "panic" into "exit", causing restore to
937 be more stable against some attacks (like the last one
938 reported on Bugtraq, although the last version of restore
939 was not vulnerable - just dumped core). Thanks to
940 Andreas Hasenack <andreas@conectiva.com.br> for reporting
941 the bugs to me.
942
943 4. Removed the suid-root bit on dump and restore in the
944 default build (and generated RPMs). It should be safer
945 now. Users who need the suid-root capabilities in order
946 to make network backups should read first the man page
947 of dump and enable the suid bit manually.
948
949 5. Added -ltermcap to the compile parameters for restore
950 when using readline support, in order to make the compile
951 process work on some systems (SuSE ?). Thanks to
952 Patrik Schindler <poc@pocnet.net> for reporting the bug.
953
954 Changes between versions 0.4b16 and 0.4b17 (released June 1st, 2000)
955 ====================================================================
956
957 1. The -F script is called now *only* at the end of a tape,
958 not at the end of the dump. Thanks to Christian Haul
959 <haul@informatik.tu-darmstadt.de> for the bug report.
960
961 Normally, the device name and the current volume number
962 are passed on the command line of the script. However,
963 if you want the old style script (with no arguments
964 passed on the command line), you can enable it in
965 configure with the --enable-oldstylefscript.
966
967 2. Use posix signal handling to preserve dump functionality
968 with libc5. Thanks to Jeff Johnson <jbj@redhat.com> for
969 the patch.
970
971 3. Made the exit code of restore in case of a 'C'ompare
972 command reflect the result of the compare. An exit status
973 of 0 means the dump archive is correct, 1 means tape errors,
974 2 means that some files were modified. Thanks to Kenneth Porter
975 <shiva@well.com> for the suggestion.
976
977 4. Made (finally) quotes work in interactive restore.
978
979 5. Small fixes in order to allow dump to compile with a
980 really old e2fsprogs version. Thanks to Ian Zimmerman
981 <itz@speakeasy.org> for the bug report.
982
983 6. Add GNU readline capabilities to interactive restore.
984 Use configure's --enable-readline flag to enable this feature.
985 Thanks to Patrik Schindler <poc@pocnet.net> for the
986 suggestion.
987
988 7. Do the compare on the fly in restore 'C' mode (this will
989 allow not to exhaust the available /tmp space when
990 ccmparing large files). Thanks to Kenneth Porter
991 <shiva@well.com> for the suggestion.
992
993 Changes between versions 0.4b15 and 0.4b16 (released March 11, 2000)
994 ====================================================================
995
996 1. Fixed some several duplicate 'DUMP: DUMP:' in the
997 output of dump.
998
999 2. Corrected the estimation of blocks to dump. Note that
1000 this is still wrong for large directory inodes, due
1001 to the size of a BSD directory entry on the tape
1002 (estimation is based on the size of the ext2 directory,
1003 which is smaller because it doesn't contain the null
1004 character at the end).
1005
1006 3. Made dump report the total number of MB written to
1007 tape at the end of run. Thanks to W. Reilly Cooley
1008 <wcooley@nakedape.cc> for the patch.
1009
1010 4. Added the -X option to restore giving the possibility
1011 to read the names of the files to be extracted/listed
1012 from a text file (in addition of the command line).
1013 Thanks to Dejan Muhamedagic <dejan@quant-x.com> for the
1014 patch.
1015
1016 5. Added the device name and the current volume number
1017 as arguments to the end of tape script (dump -F option).
1018
1019 6. Made the multi-volume dump work again (after having
1020 broken it in 0.4b15).
1021
1022 Changes between versions 0.4b14 and 0.4b15 (released March 2, 2000)
1023 ===================================================================
1024
1025 1. Added a prompt command in interactive restore mode. Thanks
1026 to Andreas Dilger <adilger@home.com> for the patch.
1027
1028 2. Fixed a buffer overflow problem in dump (caused by
1029 not checking the size of the filesystem parameter).
1030 Thanks to Kim Yong-jun <loveyou@hackerslab.org> for
1031 reporting this on Bugtraq (and to several dump users
1032 who forwarded me his mail).
1033
1034 3. Added the '-F script' option to dump in order to
1035 launch a script at the end of each tape (to be used
1036 with a tape changer, or to notify the sysadmin by
1037 pager etc.).
1038
1039 4. Fixed a bug in restore compare code caused by the changes
1040 I made in 0.4b14.
1041
1042 5. Fixed the treatment of options using the old BSD syntax
1043 in both dump and restore.
1044
1045 Changes between versions 0.4b13 and 0.4b14 (released February 10, 2000)
1046 =======================================================================
1047
1048 1. Fixed a bug in dump which may have caused invalid deleted
1049 directories to be dumped out if they were deleted after the
1050 mapping pass. This could occure on active filesystem and lead
1051 to heap corruption (causing dump malfunction in many possible ways).
1052 Thanks to Jan Sanislo <oystr@cs.washington.edu> for finding this
1053 bug and submitting the patch.
1054
1055 2. Fixed the handling of the filesystem parameter in dump. A
1056 '/mnt/disk' parameter caused the disk contents to be dumped,
1057 but a '/mnt/disk/' parameter caused the mountpoint directory
1058 to be dumped (generally an empty directory).
1059
1060 3. Improved the output of dump in order to tell which directory
1061 it is currently dumping (when dumping a subtree).
1062
1063 4. Added the '-e' exclude inode option to dump. Thanks to
1064 Isaac Chuang <ike@isl.stanford.edu> for contributing with the patch.
1065
1066 5. Added a REPORTING-BUGS file in order to provide a guide
1067 on how to correctly report a bug in dump/restore.
1068
1069 6. Fixed a restore problem when restoring a hard link to an inode
1070 having the immutable or append-only attribute set. Thanks to
1071 Ambrose Li <acli@mingpaoxpress.com> for submitting the patch.
1072
1073 7. Fixed a compatibility problem between dumps made on little
1074 endian machines (the format was correct) and big endian
1075 machines (the format was incorrect). This fix break the
1076 compatibility with the older dumps made on big endian
1077 machines (sparc, m86k, ppc etc). For the first time in
1078 linux dump's history (I believe), the dumps made by *BSD,
1079 Linux/alpha, Linux/sparc and Linux/x86 are compatible,
1080 so interchangeable. Thanks to Rob Cermak
1081 <cermak@ahab.rutgers.edu> for submitting the bug and
1082 helping me test the fix.
1083
1084 8. Fixed the way dump reports the remaining percent/time, if
1085 the number of blocks actually dumped exceeds the estimated
1086 number of blocks. Thanks to Jean-Paul van der Jagt
1087 <jeanpaul@dutepp0.et.tudelft.nl> for reporting the bug.
1088
1089 Changes between versions 0.4b12 and 0.4b13 (released January 21, 2000)
1090 ======================================================================
1091
1092 1. Small Y2K fix in the man pages :). Thanks to Bernhard Sadlowski
1093 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug.
1094
1095 2. Removed the requirement to build the RPM as root from the
1096 spec file. Thanks to Christian Weisgerber
1097 <naddy@mips.rhein-neckar.de> for submitting this.
1098
1099 3. Fixed a bug in dump related to the 'filetype' feature of ext2fs,
1100 causing dump to block when dumping really huge filesystems.
1101 Many thanks to Patrik Schindler <poc@pocnet.net> for
1102 helping me find this bug.
1103
1104 4. Fixed the treatment for an interrupt signal when dump access
1105 the remote tape through RSH. Thanks to Christian Weisgerber
1106 <naddy@mips.rhein-neckar.de> for providing the patch.
1107
1108 5. Fixed a bug which was causing dump/restore to display
1109 garbage characters instead of the remote host name.
1110
1111 Changes between versions 0.4b11 and 0.4b12 (released January 8, 2000)
1112 =====================================================================
1113
1114 1. Small fix in the dump man page. Thanks to Thorsten Kukuk
1115 <kukuk@suse.de> for submitting the patch.
1116
1117 2. Fix for the exit code when using the size estimate option of
1118 dump. Thanks to Matti Taskinen <mkt@rni.helsinki.fi> for
1119 submitting the patch.
1120
1121 3. Handle EINTR in atomical reads/writes in dump, which was causing
1122 dump to fail on some systems. Thanks to Eric Jergensen
1123 <eric@dvns.com> for reporting the bug and submitting the patch.
1124
1125 4. Handle more than 16 characters for the device names in dumpdates.
1126 (up to 255 now). Thanks to Rainer Clasen <bj@ncc.cicely.de> for
1127 tracking down the problem and proposing the solution.
1128
1129 5. Fixed a bug in dump which prevented the creation of the
1130 dumpdates file when doing a 0-level dump without already
1131 having a dumpdates file. Thanks to Patrik Schindler
1132 <poc@pocnet.net> for reporting the bug.
1133
1134 6. Changed the way dump 'S' flag reports the size estimate
1135 from number of blocks into bytes (making it compatible
1136 with the Solaris version, and simplifying things for
1137 amanda users). Thanks to Jason L Tibbitts III
1138 <tibbs@math.uh.edu> for reporting the bug.
1139
1140 7. Fixed a compatibility problem in linux/alpha dump tape format.
1141 Now the linux/alpha dump are (again) compatible with the
1142 other dump formats. But this breaks compatibility with
1143 older dumps made on alpha. Thanks to Mike Tibor
1144 <tibor@lib.uaa.alaska.edu> for helping me in finding this bug.
1145
1146 Changes between versions 0.4b10 and 0.4b11 (released December 5, 1999)
1147 ======================================================================
1148
1149 1. Added a '--enable-kerberos' to configure.
1150
1151 2. Added a 'S' option to dump which determines the amount of space
1152 that is needed to perform the dump without actually doing it, similar
1153 to the Sun's ufsdump 'S' option. Patch contributed by Rob Cermak
1154 <cermak@ahab.rutgers.edu>.
1155
1156 3. Added a 'M' multi-volume option to dump and restore which enables
1157 dumping to multiple files (useful when dumping to an ext2
1158 partition to make several dump files in order to bypass the 2GB
1159 file size limitation). The 'f' argument is treated as a prefix and
1160 the output files will be named <prefix>001, <prefix>002 etc. With
1161 the 'M' flag, restore automatically selects the right file without
1162 asking to enter a new tape each time.
1163
1164 4. Fixed a memory leak which was causing dump to grow very big
1165 (270MB when dumping a 10GB filesystem...). Thanks to Jason
1166 Fearon <jasonf@netrider.org.au> for reporting the bug.
1167
1168 Changes between versions 0.4b9 and 0.4b10 (released November 21, 1999)
1169 ======================================================================
1170
1171 1. Make configure test if the system glob routines support
1172 extended syntax (ALTDIRFUNC). If not, use the internal glob
1173 routines instead of system ones. Thanks to Bernhard Sadlowski
1174 <sadlowsk@Mathematik.Uni-Bielefeld.DE> for reporting the bug
1175 and helping me resolve this and other minor libc5 compiling
1176 glitches.
1177
1178 2. Fix a problem when dumping a ext2fs with the 'filetype'
1179 feature enabled. Thanks to Patrick J. LoPresti
1180 <patl@cag.lcs.mit.edu> for reporting the bug and to
1181 Theodore Y. Ts'o <tytso@mit.edu> for providing the patch.
1182
1183 3. Made the nodump flag work on directories. A directory which
1184 has the nodump flag gets never dumped, regardless of its
1185 contents.
1186
1187 4. Integrate a patch from Jeremy Fitzhardinge <jeremy@goop.org>
1188 which allows dump on an active ext3 filesystem. However, this
1189 is a "quick and dirty" patch which enables backup of an ext3
1190 filesystem through the ext2 compatibility (by ignoring the
1191 NEEDS_RECOVERY bit). The journal file is not recognized and
1192 it is dumped (it should not).
1193
1194 5. Test the superblock compatibility flags when dumping, in order
1195 to be sure that we know how to deal with specific features.
1196
1197 Changes between versions 0.4b8 and 0.4b9 (released November 5, 1999)
1198 ====================================================================
1199
1200 1. Use lchown instead of chown, fixing a possible security problem
1201 when restoring symlinks (a malicious user could use this
1202 to deliberately corrupt the ownership of important system files).
1203 Thanks to Chris Siebenmann <cks@utcc.utoronto.ca> for detecting
1204 this and providing the patch.
1205
1206 Changes between versions 0.4b7 and 0.4b8 (released November 3, 1999)
1207 ====================================================================
1208
1209 1. Put dump sources under CVS, added Id tags in all files so
1210 one can use 'ident' on binary files.
1211
1212 2. Added the dump/restore version in the usage text so one can
1213 easily verify the version he is using.
1214
1215 3. Small patch from Nuno Oliveira <nuno@eq.uc.pt> which fixes
1216 a va_start/va_end problem on linux-ppc (always call va_start
1217 va_end in pairs each time we use a vararg function).
1218
1219 4. Added again the DT_* constants because old libc does not
1220 contain them :(. Thanks to Eric Maisonobe <virnet@nat.fr>
1221 for submitting the bug report.
1222
1223 5. Use ext2fs_llseek instead of llseek. With recent e2fsprogs
1224 this should enable dumping big (huge) filesystems.
1225
1226 6. Added the RSH environment variable in order to be able to
1227 use a rsh replacement like ssh when doing remote backups (and
1228 bypass the security limitations of rcmd). Now you can do remote
1229 backups without being root (or making dump setuid root).
1230
1231 7. Modified again the way dumpdates works. For incremental dumps,
1232 we need to read dumpdates even if we are not using 'u' option.
1233 Thanks to Bdale Garbee <bdale@gag.com> for his ideas on how
1234 this should work.
1235
1236 Changes between versions 0.4b6 and 0.4b7 (released October 8, 1999)
1237 ===================================================================
1238
1239 1. Removed the 'k' flag from the restore 'about' text if kerberos
1240 was not compiled in.
1241
1242 2. Prototyped (f)setflags from e2fsprogs and corrected the calls
1243 to them (fsetflags takes a char*, setflags an open fd!).
1244
1245 3. (f)setflags is called only if the flags aren't empty. If the
1246 file is a special file, a warning is printed, because changing
1247 flags implies opening the device. Normally, a special file
1248 should not have any flag... (Debian bug #29775, patch provided
1249 by Abhijit Dasgupta <abhijit@ans.net>).
1250
1251 4. Made possible to dump a file system not mentioned in /etc/fstab.
1252 (Debian bug #11904, patch provided by Eirik Fuller <eirik@netcom.com>).
1253
1254 5. Changed the default behaviour to not create dumpdates
1255 unless 'u' option is specified. Removed the old "debian-patch"
1256 which provided the same thing. (Debian bug #38136, #33818).
1257
1258 6. Removed all those dump*announce, since they were getting old...
1259
1260 7. Added warning messages if dumpdates does not exist and
1261 when an inferior level dump does not exist (except for a level 0
1262 dump).
1263
1264 8. Debugged the glob calls in interactive mode: restore used a
1265 dirent struct which was different from the /usr/include/dirent.h
1266 one (this used to work, is it a glibc2 change?), so none of the
1267 compat glob (which used /usr/include/dirent.h) or the system glob
1268 worked. Restore use now the system dirent (and the system
1269 DT_* constants), which are compatible with BSD ones.
1270
1271 9. Added a configure flag (--with-dumpdatespath) to specify
1272 the location of dumpdates file. By default, it is
1273 /etc/dumpdates.
1274
1275 10. Added the "AUTHOR" and "AVAILABILITY" sections and
1276 included the current date/version in man pages.
1277
1278 11. Corrected the estimation of remaining time when
1279 the operator doesn't change the tapes quickly enough. This
1280 was an old bug, I thought I corrected it, and discovered
1281 that in fact it was corrected in two different places, so
1282 the results canceled each other...
1283
1284 Changes between versions 0.4b5 and 0.4b6 (released October 1, 1999)
1285 ===================================================================
1286
1287 1. Integrated multiple patches from RedHat, Debian and SuSE:
1288
1289 - tweak dump/itime.c to not try to read dumpdates if the 'u' option
1290 isn't specified.
1291 - several fixes in the man pages.
1292 - update the default tape device to /dev/st0.
1293 - many updates for Linux Alpha (byte ordering, size_t etc).
1294 - buffer overruns.
1295 - use environment variable for TMPDIR (instead of /tmp).
1296 - use sigjmp_buf instead of jmp_buf (RedHat bug #3260).
1297 - workaround egcs bug (RedHat bugs #4281 and #2989).
1298 - wire $(OPT) throughout Makefile's.
1299
1300 2. Upgrade the dump revision to 1, making possible to dump filesystems
1301 made with e2fsprogs-1.15 or newer. Nothing seems to break...
1302
1303 3. Fix some compile warnings, prototype all functions.
1304
1305 4. Use glibc err/glob instead of internal compatibility
1306 routines (only if available).
1307
1308 5. Fix a compile error on Linux 2.2.7 / libc5 (5.4.44) (patch provided
1309 by Bernhard Sadlowski <sadlowsk@mathematik.uni-bielefeld.de>).
1310
1311 Changes between versions 0.4b4 and 0.4b5 (released September 22, 1999)
1312 ======================================================================
1313
1314 1. Integrated the changes from FreeBSD-3.1-RELEASE
1315 (mostly bug fixes, buffer overruns, dump has now an "automatic
1316 tape length calculation" flag, dump/restore can use kerberos now
1317 (this is NOT tested), use environment variables for TAPE and
1318 RMT etc.).
1319
1320 2. Integrated three RedHat patches ("glibc", "kernel" and "bread" patches)
1321
1322 3. Corrected a bug in restore when using 'C' option with multi-volumes
1323 tapes (files splited accros two tapes give "size changed" errors
1324 when comparing).
1325
1326 4. Corrected the long standing bug when dumping multiple tapes.
1327 This works for me, needs further testing.
1328
1329 Changes between versions 0.4b3 and 0.4b4 (released January 17, 1997)
1330 ====================================================================
1331
1332 1. Dump now runs correctly on kernels 2.1.x
1333 Fix made by Gerald Peters <gapeters@worldnet.att.net>
1334
1335 Changes between versions 0.4b2 and 0.4b3
1336 ========================================
1337
1338 1. Use realpath() if available
1339
1340 2. Report statistics
1341
1342 Changes between versions 0.4b1 and 0.4b2
1343 ========================================
1344
1345 1. Fixed the bug fix from Greg Lutz (I had made a mistake when integrating
1346 the patch)
1347
1348 2. Fixed restore to make it able to read FreeBSD 2.x dumps again
1349
1350 3. Fixed configure.in to correctly handle --enable-rmt
1351
1352 Changes between versions 0.3 and 0.4b1
1353 ======================================
1354
1355 1. Integrated the changes from 4.4BSD-Lite2
1356
1357 2. Integrated the patches from Debian and Red Hat
1358
1359 3. Portability changes: use the __u32, __u16, __s32, and __s16 types
1360
1361 4. Changed dump to use the Ext2fs library to get block addresses. This
1362 should solve the endianness problem on SparcLinux.
1363
1364 5. Created a configure.in file (shamelessly stolen from the e2fsprogs
1365 distribution's one) to use autoconf
1366
1367 6. Fixed a few minor bugs
1368
1369 Changes between versions 0.2e and 0.2f
1370 ======================================
1371
1372 1. Added the creation of named pipes (fifos) in restore.
1373
1374 2. Added the -N flag in the restore manual page.
1375
1376 3. Added the file kernel.patch which contains the llseek() optimization
1377 patch for 1.2.x kernels.
1378
1379 4. Fixed a bug in the restoration of symbolic links: owner and group were
1380 not restored.
1381
1382 5. Integrated some changes from FreeBSD 2.2.
1383
1384 6. Added a call to ftruncate() after restoring each file to restore
1385 correctly files ending by a hole.
1386
1387 Changes between versions 0.2d and 0.2e
1388 ======================================
1389
1390 1. Fixed a bug in the "set owner/mode" process. Every file was restored
1391 with owner = root (0) and group = root/wheel/whatever (0).
1392
1393 Changes between versions 0.2c and 0.2d
1394 ======================================
1395
1396 1. Dump is now able to backup 2GB+ filesystems.
1397
1398 2. Dump and restore can now be linked as static binaries.
1399
1400 Changes between versions 0.2b and 0.2c
1401 ======================================
1402
1403 1. Fixed a bug when dumping ``slow'' (i.e. normal) symbolic links.
1404
1405 Changes between versions 0.2a and 0.2b
1406 ======================================
1407
1408 1. Really fixed the bug that I should have corrected in 0.2a.
1409
1410 2. Enabled optimization again.
1411
1412 Changes between versions 0.2 and 0.2a
1413 =====================================
1414
1415 1. Disabled the optimization during compilation.
1416
1417 Changes between versions 0.1 and 0.2
1418 ====================================
1419
1420 1. Fixed a bug in fstab.c which caused a null pointer to be stored in
1421 the fs_type field (actually, I modified the file fstab.c to make it
1422 use the mntent functions).
1423
1424 2. Dump and restore now use a 4.3 BSD compatible dump format. Backups
1425 made by dump should be readable by the BSD restore and backups made
1426 by the BSD dump should be readable by restore. Unfortunately, this
1427 means that the dump format has changed between version 0.1 and version
1428 0.2 :-(
1429
1430 3. Dump is now able to backup a subtree, it is no longer limited to whole
1431 filesystems like the BSD version.
1432
1433 4. Dump now uses ext2_llseek() so it is able to backup filesystems bigger
1434 than 2 GB.
1435
1436 Changes between versions 0.0 and 0.1
1437 ====================================
1438
1439 1. Now create links rdump and rrestore during the `make install' step.
1440
1441 2. Linux port specific bugs added to the manual pages
1442
1443 3. Incorrect estimation of the number of tapes blocks fixed when doing
1444 incremental backups.
1445
1446 4. Better ls-like format in restore in interactive mode.