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 Post subject: data recovery on external HDD after dd of iso image under Li
PostPosted: October 28th, 2018, 11:57 
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Joined: October 28th, 2018, 11:45
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Location: Sofia, Bulgaria
Hi all, as the topic says I have accidentally overwritten my backup drive with iso image thinking that I am doing it on my USB drive, is there any way of reversing the damage, I have not taken any action, it happened just an hour ago, or should I go with some professional help? The command finished, i realized the problem post factum. The HDD is conventional, I think it is Hitachi if that matters and it is fully functional, thank you in advance
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sevo


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 Post subject: Re: data recovery on external HDD after dd of iso image unde
PostPosted: October 28th, 2018, 15:54 
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Joined: September 8th, 2009, 18:21
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Location: Australia
Any data that was overwritten is lost. :-(

How large was the ISO?

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 Post subject: Re: data recovery on external HDD after dd of iso image unde
PostPosted: October 28th, 2018, 16:24 
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Joined: December 8th, 2013, 4:48
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Location: Pakistan
overwritten data is gone, if the Iso was larger than 3GB you likely lost the structure as well, assuming that drive had a NTFS partition.

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 Post subject: Re: data recovery on external HDD after dd of iso image unde
PostPosted: October 29th, 2018, 1:55 
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Joined: October 28th, 2018, 11:45
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Location: Sofia, Bulgaria
fzabkar wrote:
Any data that was overwritten is lost. :-(

How large was the ISO?


The iso is 2,00gb, what about the rest of the data? the HDD is 750gb and I had around 300gb of data?


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 Post subject: Re: data recovery on external HDD after dd of iso image unde
PostPosted: October 29th, 2018, 7:19 
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you are lucky i would say, use any decent data recovery (e.g r-studio) software and you will get the data, ofcourse 2gb is gone ....

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 Post subject: Re: data recovery on external HDD after dd of iso image unde
PostPosted: October 29th, 2018, 7:25 
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Can you show us the Partitions window with DMDE?

https://dmde.com/

It might take only a couple of clicks to see your data.

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 Post subject: Re: data recovery on external HDD after dd of iso image unde
PostPosted: October 29th, 2018, 10:27 
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Joined: October 28th, 2018, 11:45
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Location: Sofia, Bulgaria
if only I have seen these posts earlier, I have just left my disk to a professional data recovery company, they said that it would cost around 50€ to recover my files if possible, will see what will happen, I will keep you updated , thanks to all for the help
regards
sevo


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 Post subject: Re: data recovery on external HDD after dd of iso image unde
PostPosted: October 29th, 2018, 15:33 
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sevo wrote:
if only I have seen these posts earlier, I have just left my disk to a professional data recovery company, they said that it would cost around 50€ to recover my files if possible, will see what will happen, I will keep you updated , thanks to all for the help
regards
sevo


Doesn't sound good ... A PROFESSIONAL data recovery firm would charge WAY MORE even for simple logic data recovery.

I did saw even non-professional guys using R-Studio and charging $300 .... 50€ sounds .... cheap ... let's PRAY that it's not some sort of regular computer repair shop that will ruin the rest of the data for good.

1 - You should had cloned/image the drive to another known good drive and use r-studio, getdataback, etc ON THE CLONE ....

If you really do know what you are doing and because the drive aparently is not physicaly damaged (you only have logic issue) you could run R-STUDIO on the original drive, do a full scan and save the data to ANOTHER DRIVE.

Goes without saying let's pray and hope that the guys doing the 50€ recovery do not save the recovered data to the original drive ...

Good luck and keep us informed !

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