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sempre
 Post subject: DISASTER ROCOVERY
PostPosted: September 29th, 2015, 15:14 
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Hi to all!
flash rom good that the chances of successful recovery of data from these HDDs?
:?


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jermy
 Post subject: Re: DISASTER ROCOVERY
PostPosted: September 29th, 2015, 15:43 
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is this HDD lying on your kitchen table in the open (no clean environment) ?
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sempre
 Post subject: Re: DISASTER ROCOVERY
PostPosted: September 29th, 2015, 15:48 
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jermy wrote:
is this HDD lying on your kitchen table in the open (no clean environment) ?


Class 100

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sempre
 Post subject: Re: DISASTER ROCOVERY
PostPosted: September 29th, 2015, 15:50 
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sempre wrote:
jermy wrote:
is this HDD lying on your kitchen table in the open (no clean environment) ?


Class 100


this HDDs burned due to a fire!
the spacers and filters this melted due to the heat!

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sempre
 Post subject: Re: DISASTER ROCOVERY
PostPosted: September 30th, 2015, 8:43 
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sempre wrote:
Hi to all!
flash rom good that the chances of successful recovery of data from these HDDs?
:?


Attachments:
HDD1 and 2 LABEL.jpg
HDD1 and 2 LABEL.jpg [ 292.9 KiB | Viewed 7913 times ]

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sempre
 Post subject: Re: DISASTER ROCOVERY
PostPosted: September 30th, 2015, 8:43 
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sempre wrote:
Hi to all!
flash rom good that the chances of successful recovery of data from these HDDs?
:?

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Izualim
 Post subject: Re: DISASTER ROCOVERY
PostPosted: September 30th, 2015, 9:36 
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hello sempre, we had recovered drives like that, but it's hard to know if it's still recoverable or not, WD's are not as sentisitive in platter alignment as seagates, perhaps you can give it a try.
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Leo
 Post subject: Re: DISASTER ROCOVERY
PostPosted: September 30th, 2015, 11:00 
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Joined: April 12th, 2006, 8:18
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Check VCM magnet. If it still works, you have a chance. If not, platters most likely are demagnetized as well.
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colanco
 Post subject: Re: DISASTER ROCOVERY
PostPosted: September 30th, 2015, 15:17 
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Leo wrote:
Check VCM magnet. If it still works, you have a chance. If not, platters most likely are demagnetized as well.



The magnets can lose their properties at high temperatures (although recover once the temperature drops)

I do not understand that your relationship to data recorded on plates.
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Izualim
 Post subject: Re: DISASTER ROCOVERY
PostPosted: October 1st, 2015, 3:11 
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Leo wrote:
Check VCM magnet. If it still works, you have a chance. If not, platters most likely are demagnetized as well.

+1

Magnets loss their magnetic properties when you apply high temperature for long period of time, if indeed magnet has lost some magnetic property case is lost.
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northwind
 Post subject: Re: DISASTER ROCOVERY
PostPosted: October 1st, 2015, 4:37 
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Izualim wrote:
Leo wrote:
Check VCM magnet. If it still works, you have a chance. If not, platters most likely are demagnetized as well.

+1

Magnets loss their magnetic properties when you apply high temperature for long period of time, if indeed magnet has lost some magnetic property case is lost.


+2

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sempre
 Post subject: Re: DISASTER ROCOVERY
PostPosted: October 1st, 2015, 8:13 
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northwind wrote:
Izualim wrote:
Leo wrote:
Check VCM magnet. If it still works, you have a chance. If not, platters most likely are demagnetized as well.

+1

Magnets loss their magnetic properties when you apply high temperature for long period of time, if indeed magnet has lost some magnetic property case is lost.


+2


Sorry, but lost its magnetic capacity :shock:

Thanks all reply!!

some hope to have the data back?

all information will be welcome! :mrgreen:

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jermy
 Post subject: Re: DISASTER ROCOVERY
PostPosted: October 1st, 2015, 12:28 
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Most likely even if you do retrieve some data it will be partial and mostly corrupted, but you'll never know until you try.
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Dmitri
 Post subject: DISASTER RECOVERY - hard drive after fire
PostPosted: October 3rd, 2015, 11:32 
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Joined: February 8th, 2014, 8:08
Posts: 456
Location: Eastern Europe /recovering worldwide/
sempre wrote:
some hope to have the data back?

I'd estimate chances by looking at the melted parking ramp. Photo indicates that recovery will be painful.

We have one or two similar drives right currently (and had more previously), you can expect things like 3 hours or more just to read the SA. After that SA still isn't fully extracted and the drive won't get ready on its own due to the gaps in it.

As for losing the magnetization, I think that mostly depends on material properties.
And it definitely would be interesting to look at the information on Curie point for platters.

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