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Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
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Ring in platter

November 21st, 2014, 11:12

Hi, My 320 GB Seagate HDD platter has ring as shown in attached image. Head is also damaged. Kindly let me know if i can recover the data. If yes, how and where? What is the probability? I had opened in a AC Room though not in a clean room.
Attachments
IMG_20140825_210834.jpg
Photo of Platter with ring

Re: Ring in platter

November 21st, 2014, 11:20

Looks unrecoverable

Re: Ring in platter

November 21st, 2014, 11:26

Is cloning possible in this case to recover atleast the good sector data?

Re: Ring in platter

November 21st, 2014, 12:14

Impossible.
Murdered area SA.
Without SA impossible to find tracks of data.
Even if a miracle happens, SA is read
The rest of the area will be scratched, there are millions of errors.
Not will be whole files

Re: Ring in platter

November 21st, 2014, 12:23

platter is very bad

Re: Ring in platter

November 21st, 2014, 12:46

You could go to this company who claims that they can usually recover near 100% of the data from ALL damaged SATA and SAS hard drives. http://www.itweb.co.za/index.php?option ... e&id=40957

I had a somewhat heated email discussion with someone from CSSI who stood their ground with the statistics. Yet, they now only claim a 92% audited success rate when I look at their data recovery page.

If you want to waste money on shipping, you can always send the drive to them and see if they are as good as they claim.

Re: Ring in platter

November 21st, 2014, 16:36

No chances.

Re: Ring in platter

November 22nd, 2014, 0:27

Thanks for all the inputs and suggestions. I hereby conclude that data recovery from this platter is near to impossible.

Re: Ring in platter

November 27th, 2014, 1:39

Your platter seems bad. Very difficult to recover data. I suggest you to please take professional help.

Re: Ring in platter

November 27th, 2014, 2:18

rehaandrew wrote:Your platter seems bad. Very difficult to recover data. I suggest you to please take professional help.

You didn't detect the air of finality from the last post?

Re: Ring in platter

November 28th, 2014, 1:25

HaQue wrote:
rehaandrew wrote:Your platter seems bad. Very difficult to recover data. I suggest you to please take professional help.

You didn't detect the air of finality from the last post?





Hey haque,

thanks
I actually didnt notice.

Re: Ring in platter

November 28th, 2014, 6:45

How does this actually happen? How can the head make contact with the platter with such pressure that it causes such a deep groove?

Is it through physically pressing down on the top cover of the drive? Or something else?

Re: Ring in platter

November 28th, 2014, 10:27

Guessing the head got hit or jammed on the ramp and bent it downward or half the head mont broke leaving it dangling
Think like a child's swing if you cut 1 rope

Re: Ring in platter

November 28th, 2014, 10:44

I can say, because I have been successful in a number of cases, that it could still be possible to recover data from other surfaces (given the fact that they are OK). Sometimes it's long in time and there's the fact that WD zones are usually no bigger than 100-150 MB, so large video files or databases are out of the question. But we don't know how bad are the rest of the surfaces.

taffer wrote:How does this actually happen? How can the head make contact with the platter with such pressure that it causes such a deep groove?

Is it through physically pressing down on the top cover of the drive? Or something else?


The ring is not that deep. Maybe 0.1 or 0.2 mm deep, but that's a visual effect. The platter comprises, roughly, two thin metallic layers and a thick crystal layer. A ring of the top metallic layer is gone, and it seems so deep because what you see is the other metallic layer on the bottom through the thick crystal layer.

Re: Ring in platter

November 30th, 2014, 16:51

Hello, your drive is detected in bios or not?
If yes, you could image the drive and recover the rest of the platter, but you will have many corrupted files. It will be a real pain with your recovery software.

Re: Ring in platter

November 30th, 2014, 17:04

int0x13 wrote:Hello, your drive is detected in bios or not?
If yes, you could image the drive and recover the rest of the platter, but you will have many corrupted files. It will be a real pain with your recovery software.

:shock: :shock: :shock:
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