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Old 04-28-2002, 04:07 PM   #1
A Little Peaved!
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Angry How to undelete files emptied from trash in Mac OS X??!??

ARRRGGGHHHH!

I hate how Mac OS X rearranges files and folders under your fingertips in List by Name view of Finder--- I accidentally trashed 20GB of files because of this!!!

HOW CAN I RECOVER FILES DELETED FROM THE MAC OS X TRASH???

No preventative utilities were installed...

Thanks in advance
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Old 04-28-2002, 06:13 PM   #2
metiure
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probably too late.
if you have it, try Unerase from Norton X, but...
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Old 04-29-2002, 03:11 PM   #3
nigelall
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download a copy of snax 1.1.9 or tinktool in these program you have the option to show invisable files there is one can "•TP3• TrashCache" <----- its invisable so you need on of the two programs above inside you will see a file call "•TP3•TrashCacheHistory" and some others in the outside of the drive where the •TP3• TrashCache folder is ------> these files can be open in Techtools......where you can retrive old trash files.


Mybe the other guys in the fourm can help, i have seen trash file there.



peace
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Old 04-30-2002, 10:13 AM   #4
A Little Peaved!
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c'mon, is there really NO solution?!?

metiure- there is no such thing as "Norton X". norton Systemworks 2.0 merely repackages Norton Utilities 6.0.3. (Very DECEPTIVE, if you ask me!)

Norton Utilities 6.0.3 Unerase found nothing! Even after run IMMEDIATELY after emptying the trash! frustrating...


nigelall- thanks for the tips. neither "•TP3• TrashCache" or "•TP3•TrashCacheHistory" files exist. I think they are created by TechTools TrashCache feature. Unfortunately, it was NOT installed on this computer.

Techtools Pro 3.0.6 found no files to unerase, either. It was run IMMEDIATELY after Norton Utilities 6.0.3 Unerase.


NOTHING else has been done with this drive... the files *should* still be there, but how to UNDELETE them?...


H E L P !


thanks...
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Old 04-30-2002, 10:50 AM   #5
mervTormel
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they're gone. in this case, the unix filesystem has already written over significant portions of those files.

http://www.faqs.org/faqs/unix-faq/fa...section-6.html

"For all intents and purposes, when you delete a file with "rm" it
is gone. Once you "rm" a file, the system totally forgets which
blocks scattered around the disk were part of your file. Even
worse, the blocks from the file you just deleted are going to be
the first ones taken and scribbled upon when the system needs
more disk space. However, never say never. It is theoretically
possible *if* you shut down the system immediately after the "rm"
to recover portions of the data. However, you had better have a
very wizardly type person at hand with hours or days to spare to
get it all back."

in this case, finder trashing equals "rm"

there is a daemon called update that runs every 30 seconds, which calls sync, which flushes dirty cache pages to disk.

even tho you may not have 'saved' anything to disk, some of those blocks are prolly recycled by now which equals corrupt data.

whither thou backup? never throw anything away. oh, and avoid list view. and, oh, patience is a virtue <bumper sticker mode off>
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Old 04-30-2002, 11:17 AM   #6
A Little Peaved!
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mervTormel- thanks for the detailed information!

Yes, important files were backed up. Undelete would recover some non-essential files, and be more convenient than wading through archives.


I doubt the files are gone, though:

1. The volume does not contain a system. It is on a hard drive separate from the active system disk. (To my knowledge), the system is not allowed to write cache files to this disk.

2. 1.5GB RAM < 20GB files, even if caching very active.

3. The 20GB was not one single file, rather it was hundreds (or more)- ranging in size from approx. 1GB to just a few hundred bytes. Many files, if not most, should still be recoverable.

4. "Nothing" has been written to disk. (OK, so OS 9 probably did a little housekeeping when restarted, etc., etc. BUT the majority of 20GIGABYTES should be intact.)

So... questions remain:

1. How to undelete files trashed under OS X?

2. Are there any good preventative utilities to allow more reliable undelete under OS X? What is most recommended?

(I gave up on Norton Filesaver years ago due to problems it caused, have not looked back. Never tried TechTool Pro TrashCache. Others?)

3. (same question, but for OS 9) Are there any good preventative utilities to allow more reliable undelete under OS 9? What is most recommended?


Thanks!

Last edited by A Little Peaved!; 04-30-2002 at 11:26 AM.
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Old 04-30-2002, 12:17 PM   #7
A Little Peaved!
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OK, now I'm MORE Peaved!

Thanks to good information from mervTormel, I investigated further.

Yes, it seems true. Files deleted in unix are gone forever, therefore (I think it is true) files trashed under OS X are gone forever.

hmmm, is this year really 2002? I am feeling like it is 1962, computer technology-wise!


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Old 04-30-2002, 01:34 PM   #8
drjones
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Exclamation the mighty DiskWarrior

yes you must boot into 9 to use it, but I have seen DW leave a folder of "rescued items." Because of the way it works, looking at the data and contructing a new catalog from that, this is a by-product of a rebuild. I never have messed with Norton except AV since 3.5.2. And I never have had DW disappoint.
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Old 04-30-2002, 01:47 PM   #9
mervTormel
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hmm, i don't think DW considers free space. a deleted file is a non-file. but, i haven't used DW for some time now, so i may be wrong. i'll have to check it out. confidence is low that DW will put humpty dumpty back.
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Old 04-30-2002, 06:44 PM   #10
mervTormel
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as i suspected, DW doesn't consider undeleted file space. in other words, to DW, free space is treated qua free space.
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Old 04-30-2002, 10:07 PM   #11
vonleigh
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Hello,

Once I lost a bunch of files since used Move instead of copy (leave apple and option pressed while you drag) but the disk gave me an error so the files were deleted from the original location without the copying being complete.

In essence the files were gone. I was able to get alot of them back using Norton Unerase under OS 9. I scanned specifically by file type (movies, MP3s) and recovered everything it could find.

Some of the movies still worked, and most of the MP3s did too, although a bunch of them were stuck together (as in two or three songs in one sound file).

I did loose all the names though, they were all named MP3 #1, 2, 3, etc. Good thing there are ID3 tags.



Vonleigh
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Old 12-08-2004, 06:37 AM   #12
marco114
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Exclamation Try this app

This app may help you:
http://data-recovery.gorefer.net/
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Old 12-14-2004, 05:11 AM   #13
Mander
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VirtualLab works, is put out by a bunch of pirates.

I deleted my term paper today, along with a semester's worth of reading notes. Oops. After hours of clicking google links and screwing around with lots of different shareware file recovery software, VirtualLab, the app marco114 linked to, came through. It was a big surprise to me how few and far between working OS X file recovery apps are. Most of the apps I found only restore files that are deleted after you install the app, which will be fan-frigging tastic later on but didn't help me today. Either that or they don't work at all.

Anyway, the company that makes VirtualLab seems to know that they are one of the only games in town for desperate people like me, so they charge a very high price---minimum $100 US for a minimum 1 gigabyte recovery. They sell smaller chunks, but only if you buy data loss "insurance" from them---basically, they have you over a barrel, and they know it.

However (and it took me a looong time to figure this out) they will also give you 500K for free if you click around on the fine print, which is a nice term-paper sized chunk. Go there, take the free 500K, restore the really important stuff and just let the rest go.

VirtualLab is an excellent piece of software. I wish more developers would follow their lead and create OS X file recovery software that will save morons who have deleted an important file with no backup and no recovery software already installed. A really kick ass free OSX file undelete utility would have made me smile today. Until then, desperate mac-ers, do what I did---all is definitely not lost.
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Old 12-14-2004, 08:54 AM   #14
marco114
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Question you get what you pay for

Mander:

I know this app **seems** expensive. But it does work rather well. Imagine how much time you spent on your term paper, then multiply it by hundreds of documents. Imagine if you were a business. 100 bucks seems rather cheap if you ask me. I am a software developer myself and I can only imagine how hard it is to make something like this software.

They are in business to make money, maybe someday like you, and you should be thanking them for writing such a great piece of software, not only did it get it back, you paid nothing. I do think it's nice that you did at least post your results, but it was very flame oriented.
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Old 12-14-2004, 03:08 PM   #15
Mander
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Flame bait RETRACT!!!

You're right marcos; I forgot my manners because I had been stressing out all day. If I had lost a gig of term-paper important data (and all the work behind it), $100 would be a pretty good deal. And note: data recovery is $4/ gig after that. This program *is* excellent and has probably saved many professionals in worse straits than I was yesterday, and I am very grateful for the freebie.

I would however have happily paid $30 US for 1M of recovery, but they are very cagey about that... they won't let you know how much units smaller than a gig cost until after you have bought their data loss insurance. Hence my frustration and feelings of being over a barrel as a dinky little home user with no money and a small file that really needed recovering.
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Old 12-14-2004, 04:10 PM   #16
pakkman781
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You could use Norton Systemwork's Data Recover. I have used it myself, and had pretty good luck with it. I once undeleted a 1.4 Gb VPC Drive and a 488 Mb Disk Image, all in about 45 minutes, and the disk image still worked(the VPC was screwed up before I deleted it XD). But 20 GB is going to take forever, and if it is a lot of files, forget it, wayyyy to much trouble.
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Old 02-06-2005, 11:42 PM   #17
rlesperance
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Quote:
Originally Posted by A Little Peaved!
I hate how Mac OS X rearranges files and folders under your fingertips in List by Name view of Finder--- I accidentally trashed 20GB of files because of this!!!

Hello,

I have read this thread with interest ... What is it you did to lose all that data ?? It is probably of great interest for everybody out here to better understand what happened ?? Thanks in advance.


Robert Lespérance
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Old 02-06-2005, 11:54 PM   #18
saint.duo
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data rescue x

Data Rescue has worked wonders for me.

http://www.prosofteng.com/products/data_rescue.php

You can get a free trial of it to see if it will find your files. It even found the files on my screwed up raid, even though it couldn't recover them (split across drives).

edit: interesting, I just noticed their page said "will not recover files deleted in OS X". I've never used it for that, just machines with VERY messed up volumes.

Last edited by saint.duo; 02-06-2005 at 11:57 PM.
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Old 02-07-2005, 10:41 AM   #19
AHunter3
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Quote:
Originally Posted by rlesperance
Hello,

I have read this thread with interest ... What is it you did to lose all that data ?? It is probably of great interest for everybody out here to better understand what happened ?? Thanks in advance.


Robert Lespérance

Please note that this is (or was) a 2002-vintage thread.

The last handful of posts are modern-era but the OP may not even still be around to read your reply/question.
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Old 02-07-2005, 10:47 AM   #20
yellow
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I don't think "A Little Peeved" will ever respond to your query. My guess is he's back running OS 9 or a Windows/Linux box.
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