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OS4 recovery software
Just popping in
Joined:
2012/2/15 11:05
Posts: 91
What is the current situation in OS4 ?

I have to repair/recover files from a DOS/07 partition, that has been validating for a couple of days (no disk activity led blinking though).

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Re: OS4 recovery software
Home away from home
Joined:
2006/11/26 21:45
From A haunted Castle somewhere in the Bavarian Mountains
Posts: 3080
@Cass

Not good i'm afraid, all the "old" recovery software doesn't really work reliable anymore.

The only one i remember working pretty well was DiskSalv, but i doubt it will handle >4GB (i might be wrong, though)

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Re: OS4 recovery software
Just popping in
Joined:
2006/12/3 15:49
From Crewe, Cheshire
Posts: 13
@Cass

The only recovery tool for FFS2 partitions is PartitionWizard.

If you are using 4.1FE you will need the updated version which is part of A-Eon's Enhancer Pack as version which came with 4.1FE is broken or your other option is to boot from a 4.1 CD and use that version to fix it.

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Re: OS4 recovery software
Quite a regular
Joined:
2007/2/27 10:47
From Gravity well
Posts: 600
@RussellB

To be clear, is PW 53.4 not doing correctly?

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Re: OS4 recovery software
Just popping in
Joined:
2006/12/3 15:49
From Crewe, Cheshire
Posts: 13
@Thematic

The version which comes with 4.1FE the partition list is empty this is a known problem which is fixed with the newer version 53.7 in the enhancer pack.

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Re: OS4 recovery software
Just can't stay away
Joined:
2006/12/1 18:01
From Copenhagen, Denmark
Posts: 1064
@Cass

I remember a problem with FFS, where if you were booting from a partition which was in validation state, FFS would crash, leading to symptoms like you describe (staying unvalidated with no visible disk activity).

Before trying various more or less capable tools, try booting from another boot partition (if you have one) or from your CD. After (hopefully) having booted to WB, leave the thing alone until your other partition has finished validating. Especially don't try writing to that partition while it validates.

See if that does the trick.

(Then, of course, make a full backup and set up a means of regular backups, so you can just format and restore next time ).

Best regards,

Niels

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Re: OS4 recovery software
Home away from home
Joined:
2006/11/20 16:26
From Norway
Posts: 2705
@Cass

I think you finnaly use diskdoctor, did they not fix it for AmigaOS3.1.4?


Edited by LiveForIt on 2018/10/10 20:01:17
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Re: OS4 recovery software
Just popping in
Joined:
2007/2/17 12:47
From Dumfries, Scotland
Posts: 114
@LiveForIt

Are you confusing this with the OS 3.1.4 just released?

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Re: OS4 recovery software
Home away from home
Joined:
2006/11/20 16:26
From Norway
Posts: 2705
@OldAmigan

Yes it is.

http://hyperion-entertainment.biz/ind ... downloads/188-amigaos-314

And the new disk doctor program should work.

AmigaOS4.1 is able to run classic software, so finally we AmigaOS4.1 users can fix hd disk as well.

https://www.youtube.com/watch?v=F9X8ON6Ris8

_________________
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Basilisk II for AmigaOS4
AmigaInputAnywhere
Excalibur
and other tools and apps.
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Re: OS4 recovery software
Just can't stay away
Joined:
2006/12/1 18:01
From Copenhagen, Denmark
Posts: 1064
@LiveForIt

That's not necessarily true.

Just because the new DiskDoctor can fix disks using the FFS from OS 3.1, doesn't mean it also knows everything about the ones using the newer FFS found in OS 4.x.

It may be possible, but I would be very careful and make sure I only work on data I can afford to lose.

Best regards,

Niels

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Re: OS4 recovery software
Just popping in
Joined:
2006/12/1 15:35
From Lehrte (Germany)
Posts: 17
@nbache

> Just because the new DiskDoctor can fix disks using the FFS from OS 3.1, doesn't mean it also knows everything about the ones using the newer FFS found in OS 4.x.

Actually, it does

I started working on what would become the new Disk Doctor when it became apparent that AmigaOS 4 would no longer include a diagnostic, recovery and repair tool for the OFS/FFS/DCFS/LNFS file system flavours.

This turned into quite a long research project and when it became just useful enough to test it, it seemed like it would make a good addition to AmigaOS 3.1.4 and ship with it.

The plan is still to make the new Disk Doctor work on AmigaOS4, but first I have to make the repair operation work well. This is what I "cut" from the version which was released for AmigaOS 3.1.4 since I had misjudged the effort required to make the examine and copy/recovery operations work well and usable, too.

> It may be possible, but I would be very careful and make sure I only work on data I can afford to lose.

The new Disk Doctor is for the time being limited to examining volumes for defects and for recovering their contents. No changes are made to the volume, this is a strictly non-invasive tool.

Given the time to finish development on it, and testing, too, of course, it won't be limited to these operations. There will always be a situation in which copying/recovering data from a volume is not the best option available and a repair in place would be preferrable. I intend to deliver that for both AmigaOS 4 and as an update to AmigaOS 3.1.4 when the repair operation is ready for release.

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Re: OS4 recovery software
Just can't stay away
Joined:
2006/12/1 18:01
From Copenhagen, Denmark
Posts: 1064
@olsen

Aha - nice

Thanks for the correction.

And of course looking forward to seeing it finished for OS4 as well (although I don't use FFS much any more).

Best regards,

Niels

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Re: OS4 recovery software
Just popping in
Joined:
2007/2/17 12:47
From Dumfries, Scotland
Posts: 114
@olsen

Excellent news. You d'man!

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