Data Recovery
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Location: UK
PostPosted: Tue, 2nd Sep 2014 15:03    Post subject: Data Recovery
I have an external 500GB HDD which is pretty much full of data I need to recover. I was using the drive and noticed a 2.4GB file in one of the folders which had a name made up of random letters and characters and was clearly corrupt in some way.

I attempted to delete it but was unable to and Windows reported the file did not exist despite me being able to see it. The next time I used the external drive Windows gave me a message that the drive needs to be formatted before it can be used.

Ive tried using a few different applications but they all seem to require upto 40 hours to scan the drive before anything can be recovered.

There does appear to be a lot of different applications available and Im trying not to waste too much time here but does anyone know of anything specific that will do the job quick or enable me to access the data immediately rather than having to wait almost 2 days?

Any help would be greatly appreciated.


May the NFOrce be with you always.
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sabin1981
Mostly Cursed



Posts: 87805

PostPosted: Tue, 2nd Sep 2014 15:04    Post subject:
https://www.runtime.org/data-recovery-software.htm

I accidentally formatted a partition and this got every byte back. It's worth a try Smile
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Shoshomiga




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Location: Bulgaria
PostPosted: Tue, 2nd Sep 2014 17:22    Post subject: I have left.
I have left.
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tw1st




Posts: 6112
Location: New Jersey
PostPosted: Tue, 2nd Sep 2014 17:32    Post subject:
I don't know if this will really help you out, but recuva has saved my ass in the past.

https://www.piriform.com/recuva


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Location: UK
PostPosted: Wed, 3rd Sep 2014 05:36    Post subject:
sabin1981 wrote:
https://www.runtime.org/data-recovery-software.htm

I accidentally formatted a partition and this got every byte back. It's worth a try Smile


I tried that already. It ran for 9 hours and I gave up lol.

tw1st wrote:
I don't know if this will really help you out, but recuva has saved my ass in the past.

https://www.piriform.com/recuva


I will look into this thanks.

Shoshomiga wrote:
DO NOT reconnect the drive

You should boot into a recovery linux that does not automount filesystems first, then use ddrescue to copy the drive onto another drive, and only then use any recovery software like photorec

The reason is doing anything on the filesystem of a damaged drive can make the damage way worse, so you should never mount it, instead copy it byte for byte directly with ddrescue which will copy all data linearly first and then keep retrying any bad sectors and read errors that it encountered so you are sure it will copy as much good data from the drive as it can

Also keep in mind that any second that a damaged drive is running is a chance to degrade even more and lose more data and even possibly get into a total failure state where data is no longer recoverable without specialist tools


How am I meant copy or recover anything if you say not to connect the drive? I dont use Linux. I will however look at copying the drive. I like that idea. I will look into ddrescue! Thanks!


May the NFOrce be with you always.
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frogster




Posts: 2860

PostPosted: Wed, 3rd Sep 2014 07:41    Post subject:
for fast recovery on non so damage hdd i use http://www.r-studio.com/
if it fail, sabin program is the best. but it will overheat your hdd, so make sure is not melting. for data recovey ... al depends of what kind of damage that hdd suffered.


How am I meant copy or recover anything if you say not to connect the drive? I dont use Linux. I will however look at copying the drive. I like that idea. I will look into ddrescue! Thanks!

just boot from a live cd (ubuntu for example) in console/recovery mode. i think you can use hiren's dvd aswell. linux in that mode will not mount your external hdd.
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Shoshomiga




Posts: 2378
Location: Bulgaria
PostPosted: Wed, 3rd Sep 2014 09:15    Post subject: I have left.
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Posts: 35895
Location: UK
PostPosted: Wed, 3rd Sep 2014 17:25    Post subject:
I tried following this using Parted Magic ...

http://html5.litten.com/how-to-fix-external-disk-drive-suddenly-became-raw/

When I try to access the drive I get this error.

udevil: error 64: unable to determine device fstype - specify with -t

This crap takes so much of my time that I dont really have either. Its really frustrating! lol.


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headshot
VIP Member



Posts: 35895
Location: UK
PostPosted: Sun, 7th Sep 2014 20:34    Post subject:
Well I got a couple of days off work so now I have time to sort this out. I got nowhere with the Linux Boot discs which must be just down to my own personal circumstances but Im sure that information will help someone at some time.

I used EaseUS Data Recovery Wizard 7.5 in the end, set the partition recovery going on my 500GB external drive which probably only had a few gigabytes free when the problem occurred. I left it running whilst I slept and I woke up about 9 hours later to discover the application managed to locate 2.8TB of data on my tiny 500GB drive much to my distress!

I managed to import the log and can now reload it without having to wait hours for it to scan again which is very nice I have to say. Looks like the application not only found my missing 500GB of data but an additional 2.3TB of data which appears to be either duplicate data or data I have deleted from the drive in the past.

I was quite impressed I have to say and now Im slowly but surely able to copy everything from the drive to another drive although there are thousands of folders I have to sift through! Still Im quite pleased with results!

Im not sure whether to format the external 500GB once I have everything off it and try using it again or give up on it incase the issue reoccurs. The drive isnt that old. It was actually my stock PS4 drive. It doest make any clicking noises that other failing drives Ive had make so its hard to say what the health status of it is. I guess I might try using but not fill it up too much incase it happens again!

Thanks for the help and replies guys.


May the NFOrce be with you always.
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Drowning_witch




Posts: 10818
Location: Strawberry fields
PostPosted: Fri, 15th Apr 2016 14:56    Post subject:
So.. today I made a shadowplay recording. i cut the clip, but forgot to save it, and deleted the vid file. not even 30 seconds later after realizing my mistake, no tool on this page can even find it, let alone recover it Sad

Any ideas? It's my system SSD drive, delete button bypasses recycle bin, so insta deleted.

But is it really possible that no app can even find a trace of a vid deleted such a short time ago?

Or is it simply cause it's the system drive and it can't scan everything while the OS is running?


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