Home » Archimedes archive » Acorn User » AU 1996-03 B.adf » Features » Fsck_130/hard_help

Fsck_130/hard_help

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Archimedes archive » Acorn User » AU 1996-03 B.adf » Features
Filename: Fsck_130/hard_help
Read OK: ✔
File size: 2F49 bytes
Load address: 0000
Exec address: 0000
File contents
hardfix (1.10) - heavily damaged disc fixer

NOTE: this program is SHAREWARE. Read the !SHAREWARE file for more info.

hardfix is a disc utility that fixes the errors that can affect the boot
block, the 2 copies of the map and the root directory without having to scan
the whole directory tree. These sort of errors generally make the disc
un-readable or un-writable!
hardfix can also be used to write the bootblock, map and root directory to a
file, so that you can always try to restore them in case they are totally
damaged (ie. absolutely unfixable).


Index
-----

- Usage
- When you need to use it
- The fixable errors
- The logfile
- Notes
- Extra features
- Saved file format
- Disclaimer
- Limitations
- Bugs
- Results achieved up to now
- History
- Credits
- Conditions of use
- Contacting the Author


Usage
-----

hardfix [-options] [-[s|r] savefile] [-l logfile] pathname
  -l   print the results in "logfile"
  -s   save bootblock/map/root sectors to "savefile"
  -r   restore bootblock/map/root sectors from "savefile"
  -Q   ask before fixing
 -1/-2 force to fix the first/second copy of the map

If the disc is readable, pathname can contain the disc name (eg.
IDEFS::IDEDisc4.$), otherwise it must contain the disc number (eg.
IDEFS::4.$).


When you need to use it
-----------------------

hardfix should not be used regularly like fsck, since the errors it fixes are
usually really uncommon. Moreover fsck recognises most of the errors hardfix
cures and tells you when it is needed.
Anyway, you can use it regularly to save the important disc data (ie.
bootblock, map and root) to a file, so that you will be able to restore them
if they are completely destroyed for some mysterious reason. Moreover, you
are adviced to save them before trying to fix the map with fsck or with
hardfix itself: if the fix is wrong (especially if it aggravates the
situation!), you can always restore your old data.
Remember that restoring old maps generally causes many file corruptions! In
fact, the map is costantly updated while files are saved/deleted, and even
files that are not updated can be automatically moved around by RISC OS.
If your map is broken, try to fix it with fsck and hardfix and eventually
restore an old one only if you are sure there is nothing better to do!


The fixable errors
------------------

hardfix is able to fix the following errors:
- bootblock checksum wrong
- bootblock defect list end marker missing
- bootblock defect list checksum wrong
- map cross check wrong
- map copies different
- zone checksum wrong (this is the typical cause of unreadable discs)
- zone free chunk offset wrong
- zone free linked list wrong (this is the typical cause of unwritable discs)
- zone not correctly terminated
- ID too high for the disc shape
- not sector-aligned object
- last object in zone too long
- root directory identifiers wrong
- root checksum wrong
- root master sequence numbers different
- root endmarker wrong
- root reserved bytes not cleared
- root address wrong

The bootblock errors should never appear, unless your disc is *really*
damanged or badly formatted, and will probably be useless to try to fix it.
Moreover it seems that some some disc have been made completely unreadable
after hardfix 'cured' the bootblock checksum (anyway, reformatting and
restoring the map and the root directory using hardfix fixed everything!).
Considering this bad experience I removed the possibility to save the
bootblock from the unregistered version. If you really need it (for example
because the disc is unreadable due to bootblock corrupton) you *must* contact
me (sending the saved disc data) and I will try to investigate. In old
versions of this file I said "you *should* contact the author" but someone
didn't and...

The map errors are the most common, especially the ones about free lists, but
can usually be successfully cured.

The root directory errors are generally serious since they usually imply that
the directory has been completely overwritten. In this case the only choice
is to restore it from a previously saved file (only the root should be
restored, not the bootblock and map, too!).

Using the -Q option you will be asked to choose if the error(s) has to be
fixed or left intact. So you can choose to fix only the map and not the
bootblock, for example.
You will always be asked if the fixes has to be applied to the disc (ie. if
you really want to save the fixed bootblock, map and root directory).


The logfile
-----------

Using the logfile (-l) option is generally really useful: if something
strange happens, the author will be more helpful if he can see exactly what
happened and you don't even have to try to explain what happened when you run
hardfix, the logfile and the saved disc data is usually enough!
The logfile contains exactly what it is printed to the screen, so it should
be really small (nearly 1K on a good disc or nearly 5K on a quite corrupted
one).
You cannot save the logfile to the disc to fix!
If a file with the same name of the logfile already exists, the new data will
be attached at the end of it: in this way, you can attach together two or
more logfiles.


Notes
-----

If the two copies of the map are different, hardfix tries to fix the less
damaged. If they are apparently damaged at the same level, hardfix will ask
you which map to fix. In normal cases, you are adviced to fix the map that
hardfix suggests or, by default, choose the first one.
The -1 and -2 options can be used to force hardfix to try to fix the first or
the second copy, regardless of their state.


Extra features
--------------

Registered versions will support 'big' discs (ie discs larger than 512Mb
supported by the new FileCore module for RISC OS 3.60 or later) while the
unregistered version will refuse to work on them.

A special features code is available to allow hardfix to write to the
bootblock. Since this may be dangerous I'll not usually allow people to use
this code (unless they need it to fix their disc).


Saved file format
-----------------

This is only of interest to people who wants to access to the saved file in
their own programs (probably nobody!).
The saved file has a header that contains the filesystem informations
followed by a series of tagged object.
The header consists of the filesystem name followed by a newline and then the
disc number followed by another newline.
Each tagged object consists of a textual tag of 4 bytes followed by the
object itself. The currently recognised tags are:
"BOOT" - bootblock (512 bytes)
"MAP1" - the first copy of the map (the length can be calculated from the
         bootblock data)
"MAP2" - the second copy of the map (the same length as the first copy)
"ROOT" - the root directory (2048 bytes)
"RSiX" - the RISCiX partition table (only if RISCiX partitioned!) (256 bytes)

The bootblock must always come before the map, otherwise the length of the
map cannot be calculated. Only 800K floppies have no bootblock: in this case
the length of the map is 1024 bytes.
The second copy of the map must always follow the first one.
Any other tag is ignored and the file is scanned until a recognised tag is
found. The tags should be word aligned (the alignement refers to the first
tag even if it isn't actually word aligned inside the file because of the
filesystem name).


Disclaimer
----------

hardfix can be considered a really dangerous program since it can directly
write to the bootblock, map and root directory: these are the key sectors of
a disc, damaging them can result in the complete or partial loss of the data
on the disc.

I tried most of the features of hardfix on my disc and on some floppies but I
cannot be completely sure it will work on your disc, too. Always save the
data using the -s option before trying to fix the disc and remember that it's
generally better not to fix the bootblock (actually it isn't possible with
the unregistered version...).
Anyway, if something goes wrong, I am sorry for you but I AM NOT RESPONSIBLE
for any loss of data on your discs, so use hardfix at your own risk.


Limitations
-----------

I think that hardfix is able to cure almost every 'fixable' error I
experienced: this means that it cannot fix a completely damaged disc (ie. if
both copies of the map are overwritten by some random data it can't do
nothing apart from restoring a saved file). Maybe other types of possible
errors exist, I'll try to add a fix for them as soon as someone will
encounter them.

hardfix cannot join two adjacent free chunks but I don't think this is a
problem. This limitation could be fixed in future versions.

Sometimes, if the map is very corrupted, you will need to run hardfix more
than once for a complete fix.


Bugs
----

hardfix may have problems with RISCiX partitioned drives: if you have such a
drive and if hardfix wants to fix a map that seems to be good (try CheckMap
and fsck on it) don't let it write the map back to disc!


Results achieved up to now
--------------------------

If you run hardfix on your corrupted HD, please let me know! If it wasn't
able to fix it, I'll try to modify it to cope with your problem. If you want
to stay anonymous tell me not to include your name.

Positive results:
 1) some 800K ADFS floppy (used during development).
 2) my 16Mb IDE that I damaged just to see if hardfix worked on it!
 3) 203Mb IDE. Owner: L. Domisse
 4) 87Mb SCSI (Lingenuity interface). Owner: S. Kock
 5) 327Mb SCSI (Acorn interface). Owner: C. Ghezzi
 6) 80Mb SCSI (Lingenuity interface). Owner: N. Bannon
 7) many experiments on my 545Mb IDE (Risc PC), so that now RISC OS
    recognises it as a 545Mb drive even if only 400Mb are formatted...

I don't think that hardfix will ever have a long list of fixed disc...

Negative results:
 1) 116Mb IDE (Desktop Projects interface). Owner: A.D. Hodgkinson
    Trying to fix the bootblock (the checksum was wrong, apparently it has
    always been wrong...), the disc was made completely unreadable. The
    disc was then formatted and hardfix was able to restore the map and the
    root directory (so that all the disc content was restored!).
 2) 210Mb IDE (Risc PC). Owner: P.B. Trying to fix the bootblock, the defect
    list was corrupted and the disc became completely unreadable/unwritable.
    This problem no more occurs in version > 1.00.

I hope that hardfix will never have a long list of failures too!


History
-------

1.00  -- 11 Oct 94
First released version.

1.01  -- 05 Feb 95
Cured a bug that in some case prevented to fix some strange case of lost free
space in some zone. When restoring the map it tries not to read the disc
shape from the disc itself (because it may be corrupted) but uses the saved
one. Removed the possibility to write the bootblock to disc since it could be
dangerous. Added fix of too high ID and not sector-aligned objects. Fixed
some problem with RISCiX partitioned bootblocks and with bad defect list (not
really useful since the ability to fix bootblocks has been removed!). Added
fix of root address and root reserved bytes.

1.02  -- 12 Jun 95
Fixed defect list checksum calculation that was broken if there was only one
defect. Improved handling of non-ADFS partitioned discs.

1.10  -- 03 Jan 96
Added code-based user registration. Added check for last object in zone too
long. Added support for 'big' discs (registered version only).


Credits
-------

I'd like to thank the following people who contibuted in some way to the
development of hardfix (in alphabetical order):
- Laurent Domisse who pushed me to write this program to fix his unreadable
  disc (and then unwritable, too!)
- Hans Ole Rafaelsen who tried hardfix on 1.6Mb floppies.


Conditions of use
-----------------

hardfix can only be distributed with the complete fsck suite.
Read the !SHAREWARE file for the conditions of use and distribution of the
whole package.


Contacting the Author
---------------------

Post:  Sergio Monesi
       Via Trento e Trieste 30
       20046 Biassono (MI)
       Italy

EMail: pel0015@cdc8g5.cdc.polimi.it
       sergio@freebsd.first.gmd.de

WWW:   http://cdc8g5.cdc.polimi.it/~pel0015/

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00000010  20 68 65 61 76 69 6c 79  20 64 61 6d 61 67 65 64  | heavily damaged|
00000020  20 64 69 73 63 20 66 69  78 65 72 0a 0a 4e 4f 54  | disc fixer..NOT|
00000030  45 3a 20 74 68 69 73 20  70 72 6f 67 72 61 6d 20  |E: this program |
00000040  69 73 20 53 48 41 52 45  57 41 52 45 2e 20 52 65  |is SHAREWARE. Re|
00000050  61 64 20 74 68 65 20 21  53 48 41 52 45 57 41 52  |ad the !SHAREWAR|
00000060  45 20 66 69 6c 65 20 66  6f 72 20 6d 6f 72 65 20  |E file for more |
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00000080  73 20 61 20 64 69 73 63  20 75 74 69 6c 69 74 79  |s a disc utility|
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00000150  69 73 63 0a 75 6e 2d 72  65 61 64 61 62 6c 65 20  |isc.un-readable |
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00000270  0a 2d 20 54 68 65 20 6c  6f 67 66 69 6c 65 0a 2d  |.- The logfile.-|
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00000600  74 6f 20 73 61 76 65 20  74 68 65 20 69 6d 70 6f  |to save the impo|
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000006c0  20 61 64 76 69 63 65 64  20 74 6f 20 73 61 76 65  | adviced to save|
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00000810  76 65 6e 0a 66 69 6c 65  73 20 74 68 61 74 20 61  |ven.files that a|
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00000840  6c 6c 79 20 6d 6f 76 65  64 20 61 72 6f 75 6e 64  |lly moved around|
00000850  20 62 79 20 52 49 53 43  20 4f 53 2e 0a 49 66 20  | by RISC OS..If |
00000860  79 6f 75 72 20 6d 61 70  20 69 73 20 62 72 6f 6b  |your map is brok|
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00001ef0  61 79 2c 20 69 66 20 73  6f 6d 65 74 68 69 6e 67  |ay, if something|
00001f00  20 67 6f 65 73 20 77 72  6f 6e 67 2c 20 49 20 61  | goes wrong, I a|
00001f10  6d 20 73 6f 72 72 79 20  66 6f 72 20 79 6f 75 20  |m sorry for you |
00001f20  62 75 74 20 49 20 41 4d  20 4e 4f 54 20 52 45 53  |but I AM NOT RES|
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00001f40  20 6c 6f 73 73 20 6f 66  20 64 61 74 61 20 6f 6e  | loss of data on|
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00001f60  75 73 65 20 68 61 72 64  66 69 78 20 61 74 20 79  |use hardfix at y|
00001f70  6f 75 72 20 6f 77 6e 20  72 69 73 6b 2e 0a 0a 0a  |our own risk....|
00001f80  4c 69 6d 69 74 61 74 69  6f 6e 73 0a 2d 2d 2d 2d  |Limitations.----|
00001f90  2d 2d 2d 2d 2d 2d 2d 0a  0a 49 20 74 68 69 6e 6b  |-------..I think|
00001fa0  20 74 68 61 74 20 68 61  72 64 66 69 78 20 69 73  | that hardfix is|
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00001fe0  65 72 69 65 6e 63 65 64  3a 20 74 68 69 73 20 6d  |erienced: this m|
00001ff0  65 61 6e 73 20 74 68 61  74 20 69 74 20 63 61 6e  |eans that it can|
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00002010  74 65 6c 79 20 64 61 6d  61 67 65 64 20 64 69 73  |tely damaged dis|
00002020  63 20 28 69 65 2e 20 69  66 0a 62 6f 74 68 20 63  |c (ie. if.both c|
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00002040  20 61 72 65 20 6f 76 65  72 77 72 69 74 74 65 6e  | are overwritten|
00002050  20 62 79 20 73 6f 6d 65  20 72 61 6e 64 6f 6d 20  | by some random |
00002060  64 61 74 61 20 69 74 20  63 61 6e 27 74 20 64 6f  |data it can't do|
00002070  0a 6e 6f 74 68 69 6e 67  20 61 70 61 72 74 20 66  |.nothing apart f|
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000020a0  62 65 20 6f 74 68 65 72  20 74 79 70 65 73 20 6f  |be other types o|
000020b0  66 20 70 6f 73 73 69 62  6c 65 0a 65 72 72 6f 72  |f possible.error|
000020c0  73 20 65 78 69 73 74 2c  20 49 27 6c 6c 20 74 72  |s exist, I'll tr|
000020d0  79 20 74 6f 20 61 64 64  20 61 20 66 69 78 20 66  |y to add a fix f|
000020e0  6f 72 20 74 68 65 6d 20  61 73 20 73 6f 6f 6e 20  |or them as soon |
000020f0  61 73 20 73 6f 6d 65 6f  6e 65 20 77 69 6c 6c 0a  |as someone will.|
00002100  65 6e 63 6f 75 6e 74 65  72 20 74 68 65 6d 2e 0a  |encounter them..|
00002110  0a 68 61 72 64 66 69 78  20 63 61 6e 6e 6f 74 20  |.hardfix cannot |
00002120  6a 6f 69 6e 20 74 77 6f  20 61 64 6a 61 63 65 6e  |join two adjacen|
00002130  74 20 66 72 65 65 20 63  68 75 6e 6b 73 20 62 75  |t free chunks bu|
00002140  74 20 49 20 64 6f 6e 27  74 20 74 68 69 6e 6b 20  |t I don't think |
00002150  74 68 69 73 20 69 73 20  61 0a 70 72 6f 62 6c 65  |this is a.proble|
00002160  6d 2e 20 54 68 69 73 20  6c 69 6d 69 74 61 74 69  |m. This limitati|
00002170  6f 6e 20 63 6f 75 6c 64  20 62 65 20 66 69 78 65  |on could be fixe|
00002180  64 20 69 6e 20 66 75 74  75 72 65 20 76 65 72 73  |d in future vers|
00002190  69 6f 6e 73 2e 0a 0a 53  6f 6d 65 74 69 6d 65 73  |ions...Sometimes|
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000021b0  76 65 72 79 20 63 6f 72  72 75 70 74 65 64 2c 20  |very corrupted, |
000021c0  79 6f 75 20 77 69 6c 6c  20 6e 65 65 64 20 74 6f  |you will need to|
000021d0  20 72 75 6e 20 68 61 72  64 66 69 78 20 6d 6f 72  | run hardfix mor|
000021e0  65 0a 74 68 61 6e 20 6f  6e 63 65 20 66 6f 72 20  |e.than once for |
000021f0  61 20 63 6f 6d 70 6c 65  74 65 20 66 69 78 2e 0a  |a complete fix..|
00002200  0a 0a 42 75 67 73 0a 2d  2d 2d 2d 0a 0a 68 61 72  |..Bugs.----..har|
00002210  64 66 69 78 20 6d 61 79  20 68 61 76 65 20 70 72  |dfix may have pr|
00002220  6f 62 6c 65 6d 73 20 77  69 74 68 20 52 49 53 43  |oblems with RISC|
00002230  69 58 20 70 61 72 74 69  74 69 6f 6e 65 64 20 64  |iX partitioned d|
00002240  72 69 76 65 73 3a 20 69  66 20 79 6f 75 20 68 61  |rives: if you ha|
00002250  76 65 20 73 75 63 68 20  61 0a 64 72 69 76 65 20  |ve such a.drive |
00002260  61 6e 64 20 69 66 20 68  61 72 64 66 69 78 20 77  |and if hardfix w|
00002270  61 6e 74 73 20 74 6f 20  66 69 78 20 61 20 6d 61  |ants to fix a ma|
00002280  70 20 74 68 61 74 20 73  65 65 6d 73 20 74 6f 20  |p that seems to |
00002290  62 65 20 67 6f 6f 64 20  28 74 72 79 20 43 68 65  |be good (try Che|
000022a0  63 6b 4d 61 70 0a 61 6e  64 20 66 73 63 6b 20 6f  |ckMap.and fsck o|
000022b0  6e 20 69 74 29 20 64 6f  6e 27 74 20 6c 65 74 20  |n it) don't let |
000022c0  69 74 20 77 72 69 74 65  20 74 68 65 20 6d 61 70  |it write the map|
000022d0  20 62 61 63 6b 20 74 6f  20 64 69 73 63 21 0a 0a  | back to disc!..|
000022e0  0a 52 65 73 75 6c 74 73  20 61 63 68 69 65 76 65  |.Results achieve|
000022f0  64 20 75 70 20 74 6f 20  6e 6f 77 0a 2d 2d 2d 2d  |d up to now.----|
00002300  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |----------------|
00002310  2d 2d 2d 2d 2d 2d 0a 0a  49 66 20 79 6f 75 20 72  |------..If you r|
00002320  75 6e 20 68 61 72 64 66  69 78 20 6f 6e 20 79 6f  |un hardfix on yo|
00002330  75 72 20 63 6f 72 72 75  70 74 65 64 20 48 44 2c  |ur corrupted HD,|
00002340  20 70 6c 65 61 73 65 20  6c 65 74 20 6d 65 20 6b  | please let me k|
00002350  6e 6f 77 21 20 49 66 20  69 74 20 77 61 73 6e 27  |now! If it wasn'|
00002360  74 0a 61 62 6c 65 20 74  6f 20 66 69 78 20 69 74  |t.able to fix it|
00002370  2c 20 49 27 6c 6c 20 74  72 79 20 74 6f 20 6d 6f  |, I'll try to mo|
00002380  64 69 66 79 20 69 74 20  74 6f 20 63 6f 70 65 20  |dify it to cope |
00002390  77 69 74 68 20 79 6f 75  72 20 70 72 6f 62 6c 65  |with your proble|
000023a0  6d 2e 20 49 66 20 79 6f  75 20 77 61 6e 74 0a 74  |m. If you want.t|
000023b0  6f 20 73 74 61 79 20 61  6e 6f 6e 79 6d 6f 75 73  |o stay anonymous|
000023c0  20 74 65 6c 6c 20 6d 65  20 6e 6f 74 20 74 6f 20  | tell me not to |
000023d0  69 6e 63 6c 75 64 65 20  79 6f 75 72 20 6e 61 6d  |include your nam|
000023e0  65 2e 0a 0a 50 6f 73 69  74 69 76 65 20 72 65 73  |e...Positive res|
000023f0  75 6c 74 73 3a 0a 20 31  29 20 73 6f 6d 65 20 38  |ults:. 1) some 8|
00002400  30 30 4b 20 41 44 46 53  20 66 6c 6f 70 70 79 20  |00K ADFS floppy |
00002410  28 75 73 65 64 20 64 75  72 69 6e 67 20 64 65 76  |(used during dev|
00002420  65 6c 6f 70 6d 65 6e 74  29 2e 0a 20 32 29 20 6d  |elopment).. 2) m|
00002430  79 20 31 36 4d 62 20 49  44 45 20 74 68 61 74 20  |y 16Mb IDE that |
00002440  49 20 64 61 6d 61 67 65  64 20 6a 75 73 74 20 74  |I damaged just t|
00002450  6f 20 73 65 65 20 69 66  20 68 61 72 64 66 69 78  |o see if hardfix|
00002460  20 77 6f 72 6b 65 64 20  6f 6e 20 69 74 21 0a 20  | worked on it!. |
00002470  33 29 20 32 30 33 4d 62  20 49 44 45 2e 20 4f 77  |3) 203Mb IDE. Ow|
00002480  6e 65 72 3a 20 4c 2e 20  44 6f 6d 69 73 73 65 0a  |ner: L. Domisse.|
00002490  20 34 29 20 38 37 4d 62  20 53 43 53 49 20 28 4c  | 4) 87Mb SCSI (L|
000024a0  69 6e 67 65 6e 75 69 74  79 20 69 6e 74 65 72 66  |ingenuity interf|
000024b0  61 63 65 29 2e 20 4f 77  6e 65 72 3a 20 53 2e 20  |ace). Owner: S. |
000024c0  4b 6f 63 6b 0a 20 35 29  20 33 32 37 4d 62 20 53  |Kock. 5) 327Mb S|
000024d0  43 53 49 20 28 41 63 6f  72 6e 20 69 6e 74 65 72  |CSI (Acorn inter|
000024e0  66 61 63 65 29 2e 20 4f  77 6e 65 72 3a 20 43 2e  |face). Owner: C.|
000024f0  20 47 68 65 7a 7a 69 0a  20 36 29 20 38 30 4d 62  | Ghezzi. 6) 80Mb|
00002500  20 53 43 53 49 20 28 4c  69 6e 67 65 6e 75 69 74  | SCSI (Lingenuit|
00002510  79 20 69 6e 74 65 72 66  61 63 65 29 2e 20 4f 77  |y interface). Ow|
00002520  6e 65 72 3a 20 4e 2e 20  42 61 6e 6e 6f 6e 0a 20  |ner: N. Bannon. |
00002530  37 29 20 6d 61 6e 79 20  65 78 70 65 72 69 6d 65  |7) many experime|
00002540  6e 74 73 20 6f 6e 20 6d  79 20 35 34 35 4d 62 20  |nts on my 545Mb |
00002550  49 44 45 20 28 52 69 73  63 20 50 43 29 2c 20 73  |IDE (Risc PC), s|
00002560  6f 20 74 68 61 74 20 6e  6f 77 20 52 49 53 43 20  |o that now RISC |
00002570  4f 53 0a 20 20 20 20 72  65 63 6f 67 6e 69 73 65  |OS.    recognise|
00002580  73 20 69 74 20 61 73 20  61 20 35 34 35 4d 62 20  |s it as a 545Mb |
00002590  64 72 69 76 65 20 65 76  65 6e 20 69 66 20 6f 6e  |drive even if on|
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000025b0  6d 61 74 74 65 64 2e 2e  2e 0a 0a 49 20 64 6f 6e  |matted.....I don|
000025c0  27 74 20 74 68 69 6e 6b  20 74 68 61 74 20 68 61  |'t think that ha|
000025d0  72 64 66 69 78 20 77 69  6c 6c 20 65 76 65 72 20  |rdfix will ever |
000025e0  68 61 76 65 20 61 20 6c  6f 6e 67 20 6c 69 73 74  |have a long list|
000025f0  20 6f 66 20 66 69 78 65  64 20 64 69 73 63 2e 2e  | of fixed disc..|
00002600  2e 0a 0a 4e 65 67 61 74  69 76 65 20 72 65 73 75  |...Negative resu|
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00002620  44 45 20 28 44 65 73 6b  74 6f 70 20 50 72 6f 6a  |DE (Desktop Proj|
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00002650  67 6b 69 6e 73 6f 6e 0a  20 20 20 20 54 72 79 69  |gkinson.    Tryi|
00002660  6e 67 20 74 6f 20 66 69  78 20 74 68 65 20 62 6f  |ng to fix the bo|
00002670  6f 74 62 6c 6f 63 6b 20  28 74 68 65 20 63 68 65  |otblock (the che|
00002680  63 6b 73 75 6d 20 77 61  73 20 77 72 6f 6e 67 2c  |cksum was wrong,|
00002690  20 61 70 70 61 72 65 6e  74 6c 79 20 69 74 20 68  | apparently it h|
000026a0  61 73 0a 20 20 20 20 61  6c 77 61 79 73 20 62 65  |as.    always be|
000026b0  65 6e 20 77 72 6f 6e 67  2e 2e 2e 29 2c 20 74 68  |en wrong...), th|
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00002710  69 78 20 77 61 73 20 61  62 6c 65 20 74 6f 20 72  |ix was able to r|
00002720  65 73 74 6f 72 65 20 74  68 65 20 6d 61 70 20 61  |estore the map a|
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00002760  63 6f 6e 74 65 6e 74 20  77 61 73 20 72 65 73 74  |content was rest|
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00002780  62 20 49 44 45 20 28 52  69 73 63 20 50 43 29 2e  |b IDE (Risc PC).|
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00002810  2e 0a 20 20 20 20 54 68  69 73 20 70 72 6f 62 6c  |..    This probl|
00002820  65 6d 20 6e 6f 20 6d 6f  72 65 20 6f 63 63 75 72  |em no more occur|
00002830  73 20 69 6e 20 76 65 72  73 69 6f 6e 20 3e 20 31  |s in version > 1|
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00002880  73 20 74 6f 6f 21 0a 0a  0a 48 69 73 74 6f 72 79  |s too!...History|
00002890  0a 2d 2d 2d 2d 2d 2d 2d  0a 0a 31 2e 30 30 20 20  |.-------..1.00  |
000028a0  2d 2d 20 31 31 20 4f 63  74 20 39 34 0a 46 69 72  |-- 11 Oct 94.Fir|
000028b0  73 74 20 72 65 6c 65 61  73 65 64 20 76 65 72 73  |st released vers|
000028c0  69 6f 6e 2e 0a 0a 31 2e  30 31 20 20 2d 2d 20 30  |ion...1.01  -- 0|
000028d0  35 20 46 65 62 20 39 35  0a 43 75 72 65 64 20 61  |5 Feb 95.Cured a|
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000028f0  65 20 63 61 73 65 20 70  72 65 76 65 6e 74 65 64  |e case prevented|
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00002920  74 20 66 72 65 65 0a 73  70 61 63 65 20 69 6e 20  |t free.space in |
00002930  73 6f 6d 65 20 7a 6f 6e  65 2e 20 57 68 65 6e 20  |some zone. When |
00002940  72 65 73 74 6f 72 69 6e  67 20 74 68 65 20 6d 61  |restoring the ma|
00002950  70 20 69 74 20 74 72 69  65 73 20 6e 6f 74 20 74  |p it tries not t|
00002960  6f 20 72 65 61 64 20 74  68 65 20 64 69 73 63 0a  |o read the disc.|
00002970  73 68 61 70 65 20 66 72  6f 6d 20 74 68 65 20 64  |shape from the d|
00002980  69 73 63 20 69 74 73 65  6c 66 20 28 62 65 63 61  |isc itself (beca|
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000029b0  73 20 74 68 65 20 73 61  76 65 64 0a 6f 6e 65 2e  |s the saved.one.|
000029c0  20 52 65 6d 6f 76 65 64  20 74 68 65 20 70 6f 73  | Removed the pos|
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000029f0  74 6f 20 64 69 73 63 20  73 69 6e 63 65 20 69 74  |to disc since it|
00002a00  20 63 6f 75 6c 64 20 62  65 0a 64 61 6e 67 65 72  | could be.danger|
00002a10  6f 75 73 2e 20 41 64 64  65 64 20 66 69 78 20 6f  |ous. Added fix o|
00002a20  66 20 74 6f 6f 20 68 69  67 68 20 49 44 20 61 6e  |f too high ID an|
00002a30  64 20 6e 6f 74 20 73 65  63 74 6f 72 2d 61 6c 69  |d not sector-ali|
00002a40  67 6e 65 64 20 6f 62 6a  65 63 74 73 2e 20 46 69  |gned objects. Fi|
00002a50  78 65 64 0a 73 6f 6d 65  20 70 72 6f 62 6c 65 6d  |xed.some problem|
00002a60  20 77 69 74 68 20 52 49  53 43 69 58 20 70 61 72  | with RISCiX par|
00002a70  74 69 74 69 6f 6e 65 64  20 62 6f 6f 74 62 6c 6f  |titioned bootblo|
00002a80  63 6b 73 20 61 6e 64 20  77 69 74 68 20 62 61 64  |cks and with bad|
00002a90  20 64 65 66 65 63 74 20  6c 69 73 74 20 28 6e 6f  | defect list (no|
00002aa0  74 0a 72 65 61 6c 6c 79  20 75 73 65 66 75 6c 20  |t.really useful |
00002ab0  73 69 6e 63 65 20 74 68  65 20 61 62 69 6c 69 74  |since the abilit|
00002ac0  79 20 74 6f 20 66 69 78  20 62 6f 6f 74 62 6c 6f  |y to fix bootblo|
00002ad0  63 6b 73 20 68 61 73 20  62 65 65 6e 20 72 65 6d  |cks has been rem|
00002ae0  6f 76 65 64 21 29 2e 20  41 64 64 65 64 0a 66 69  |oved!). Added.fi|
00002af0  78 20 6f 66 20 72 6f 6f  74 20 61 64 64 72 65 73  |x of root addres|
00002b00  73 20 61 6e 64 20 72 6f  6f 74 20 72 65 73 65 72  |s and root reser|
00002b10  76 65 64 20 62 79 74 65  73 2e 0a 0a 31 2e 30 32  |ved bytes...1.02|
00002b20  20 20 2d 2d 20 31 32 20  4a 75 6e 20 39 35 0a 46  |  -- 12 Jun 95.F|
00002b30  69 78 65 64 20 64 65 66  65 63 74 20 6c 69 73 74  |ixed defect list|
00002b40  20 63 68 65 63 6b 73 75  6d 20 63 61 6c 63 75 6c  | checksum calcul|
00002b50  61 74 69 6f 6e 20 74 68  61 74 20 77 61 73 20 62  |ation that was b|
00002b60  72 6f 6b 65 6e 20 69 66  20 74 68 65 72 65 20 77  |roken if there w|
00002b70  61 73 20 6f 6e 6c 79 20  6f 6e 65 0a 64 65 66 65  |as only one.defe|
00002b80  63 74 2e 20 49 6d 70 72  6f 76 65 64 20 68 61 6e  |ct. Improved han|
00002b90  64 6c 69 6e 67 20 6f 66  20 6e 6f 6e 2d 41 44 46  |dling of non-ADF|
00002ba0  53 20 70 61 72 74 69 74  69 6f 6e 65 64 20 64 69  |S partitioned di|
00002bb0  73 63 73 2e 0a 0a 31 2e  31 30 20 20 2d 2d 20 30  |scs...1.10  -- 0|
00002bc0  33 20 4a 61 6e 20 39 36  0a 41 64 64 65 64 20 63  |3 Jan 96.Added c|
00002bd0  6f 64 65 2d 62 61 73 65  64 20 75 73 65 72 20 72  |ode-based user r|
00002be0  65 67 69 73 74 72 61 74  69 6f 6e 2e 20 41 64 64  |egistration. Add|
00002bf0  65 64 20 63 68 65 63 6b  20 66 6f 72 20 6c 61 73  |ed check for las|
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00002c10  20 74 6f 6f 0a 6c 6f 6e  67 2e 20 41 64 64 65 64  | too.long. Added|
00002c20  20 73 75 70 70 6f 72 74  20 66 6f 72 20 27 62 69  | support for 'bi|
00002c30  67 27 20 64 69 73 63 73  20 28 72 65 67 69 73 74  |g' discs (regist|
00002c40  65 72 65 64 20 76 65 72  73 69 6f 6e 20 6f 6e 6c  |ered version onl|
00002c50  79 29 2e 0a 0a 0a 43 72  65 64 69 74 73 0a 2d 2d  |y)....Credits.--|
00002c60  2d 2d 2d 2d 2d 0a 0a 49  27 64 20 6c 69 6b 65 20  |-----..I'd like |
00002c70  74 6f 20 74 68 61 6e 6b  20 74 68 65 20 66 6f 6c  |to thank the fol|
00002c80  6c 6f 77 69 6e 67 20 70  65 6f 70 6c 65 20 77 68  |lowing people wh|
00002c90  6f 20 63 6f 6e 74 69 62  75 74 65 64 20 69 6e 20  |o contibuted in |
00002ca0  73 6f 6d 65 20 77 61 79  20 74 6f 20 74 68 65 0a  |some way to the.|
00002cb0  64 65 76 65 6c 6f 70 6d  65 6e 74 20 6f 66 20 68  |development of h|
00002cc0  61 72 64 66 69 78 20 28  69 6e 20 61 6c 70 68 61  |ardfix (in alpha|
00002cd0  62 65 74 69 63 61 6c 20  6f 72 64 65 72 29 3a 0a  |betical order):.|
00002ce0  2d 20 4c 61 75 72 65 6e  74 20 44 6f 6d 69 73 73  |- Laurent Domiss|
00002cf0  65 20 77 68 6f 20 70 75  73 68 65 64 20 6d 65 20  |e who pushed me |
00002d00  74 6f 20 77 72 69 74 65  20 74 68 69 73 20 70 72  |to write this pr|
00002d10  6f 67 72 61 6d 20 74 6f  20 66 69 78 20 68 69 73  |ogram to fix his|
00002d20  20 75 6e 72 65 61 64 61  62 6c 65 0a 20 20 64 69  | unreadable.  di|
00002d30  73 63 20 28 61 6e 64 20  74 68 65 6e 20 75 6e 77  |sc (and then unw|
00002d40  72 69 74 61 62 6c 65 2c  20 74 6f 6f 21 29 0a 2d  |ritable, too!).-|
00002d50  20 48 61 6e 73 20 4f 6c  65 20 52 61 66 61 65 6c  | Hans Ole Rafael|
00002d60  73 65 6e 20 77 68 6f 20  74 72 69 65 64 20 68 61  |sen who tried ha|
00002d70  72 64 66 69 78 20 6f 6e  20 31 2e 36 4d 62 20 66  |rdfix on 1.6Mb f|
00002d80  6c 6f 70 70 69 65 73 2e  0a 0a 0a 43 6f 6e 64 69  |loppies....Condi|
00002d90  74 69 6f 6e 73 20 6f 66  20 75 73 65 0a 2d 2d 2d  |tions of use.---|
00002da0  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 0a 0a  |--------------..|
00002db0  68 61 72 64 66 69 78 20  63 61 6e 20 6f 6e 6c 79  |hardfix can only|
00002dc0  20 62 65 20 64 69 73 74  72 69 62 75 74 65 64 20  | be distributed |
00002dd0  77 69 74 68 20 74 68 65  20 63 6f 6d 70 6c 65 74  |with the complet|
00002de0  65 20 66 73 63 6b 20 73  75 69 74 65 2e 0a 52 65  |e fsck suite..Re|
00002df0  61 64 20 74 68 65 20 21  53 48 41 52 45 57 41 52  |ad the !SHAREWAR|
00002e00  45 20 66 69 6c 65 20 66  6f 72 20 74 68 65 20 63  |E file for the c|
00002e10  6f 6e 64 69 74 69 6f 6e  73 20 6f 66 20 75 73 65  |onditions of use|
00002e20  20 61 6e 64 20 64 69 73  74 72 69 62 75 74 69 6f  | and distributio|
00002e30  6e 20 6f 66 20 74 68 65  0a 77 68 6f 6c 65 20 70  |n of the.whole p|
00002e40  61 63 6b 61 67 65 2e 0a  0a 0a 43 6f 6e 74 61 63  |ackage....Contac|
00002e50  74 69 6e 67 20 74 68 65  20 41 75 74 68 6f 72 0a  |ting the Author.|
00002e60  2d 2d 2d 2d 2d 2d 2d 2d  2d 2d 2d 2d 2d 2d 2d 2d  |----------------|
00002e70  2d 2d 2d 2d 2d 0a 0a 50  6f 73 74 3a 20 20 53 65  |-----..Post:  Se|
00002e80  72 67 69 6f 20 4d 6f 6e  65 73 69 0a 20 20 20 20  |rgio Monesi.    |
00002e90  20 20 20 56 69 61 20 54  72 65 6e 74 6f 20 65 20  |   Via Trento e |
00002ea0  54 72 69 65 73 74 65 20  33 30 0a 20 20 20 20 20  |Trieste 30.     |
00002eb0  20 20 32 30 30 34 36 20  42 69 61 73 73 6f 6e 6f  |  20046 Biassono|
00002ec0  20 28 4d 49 29 0a 20 20  20 20 20 20 20 49 74 61  | (MI).       Ita|
00002ed0  6c 79 0a 0a 45 4d 61 69  6c 3a 20 70 65 6c 30 30  |ly..EMail: pel00|
00002ee0  31 35 40 63 64 63 38 67  35 2e 63 64 63 2e 70 6f  |15@cdc8g5.cdc.po|
00002ef0  6c 69 6d 69 2e 69 74 0a  20 20 20 20 20 20 20 73  |limi.it.       s|
00002f00  65 72 67 69 6f 40 66 72  65 65 62 73 64 2e 66 69  |ergio@freebsd.fi|
00002f10  72 73 74 2e 67 6d 64 2e  64 65 0a 0a 57 57 57 3a  |rst.gmd.de..WWW:|
00002f20  20 20 20 68 74 74 70 3a  2f 2f 63 64 63 38 67 35  |   http://cdc8g5|
00002f30  2e 63 64 63 2e 70 6f 6c  69 6d 69 2e 69 74 2f 7e  |.cdc.polimi.it/~|
00002f40  70 65 6c 30 30 31 35 2f  0a                       |pel0015/.|
00002f49

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