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 Post subject: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 16th, 2018, 6:59 
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Joined: March 16th, 2018, 6:37
Posts: 5
Location: Spain
Good Moorning,

First of all, sorry but I am from spain and I don´t have a good english. I am not an advanced user.

I have an Samsung HDD 1 TB with this dates:

Model ST1000LM024
PN HN-M101MBB/AV2
FW 2BA30001
PCB number 100720903 04

The hdd was broken 2 years ago with important personal data. I can´t pay for a proffesional recovery company so I bought an hdd as a donor with the same model, PN, FW an PCB.

The hdd had Clicking, it runs but not is recognized by the BIOS, ubuntu...

Finally, yesterday I made a head swap in my house (I know that it is very difficult to make it sucecsfull).

When I finished the swap, I put on the hdd and it was recognized by ubuntu (conected by usb interface) for 1 minute, I could see the folders but later the system dismount the disck automatically and it was not recognized again.

I think that now, the problem is not the head (I swaped the head again and the donor worked..).

The clik sound now is not present. It runs and the USB interface has the led on, but it is not recognized by the system and the BIOS (with the USB, I had a notebook and it nos has SATA in order to connect the hdd).

Today I will try to connect the hdd to other computer with sata port in order to see if the BIOS can recognized the hdd.

Probably the plattes have some damage (not crash signals are present..).

The questions are:
1-Can I force the BIOS for recognize the hdd?
2-can I do something in order to recover the data?
2-Can I try with other head swap with other donor?

Thanks in advance.


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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 16th, 2018, 13:06 
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Joined: October 16th, 2013, 13:21
Posts: 717
Location: Brazil
If the data is important, you need to decide how much important it is, and it is worth you risking destroying it forever. Or just store the drive safely while you save the necessary money to pay for the recovery.

You can try Spildit or José, they are from Portugal so shipping should not be that much.

But the more you do with things with that drive, the more you risk destroying it for good. If you are ready to that, ok, but if you really need the files in it, better think again about the possible strategies.

As for your questions,

1 - No
2 - The best would be sending to a professional, if you need the data
3 - You will be increasing the chance of destroying the surface of the platters, and with that your data. As I said earlier, you must decide if you can risk losing the data, or not.


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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 16th, 2018, 16:00 
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Joined: November 29th, 2006, 10:08
Posts: 7169
Location: UK
Agree, if the data is at all important then PLEASE STOP messing with it, you can easily destroy it PERMANENTLY!

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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 17th, 2018, 7:38 
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Joined: March 16th, 2018, 6:37
Posts: 5
Location: Spain
Thanks for your reply.

It change something if the hdd is recognized by de bios?.


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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 18th, 2018, 7:32 
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Joined: August 18th, 2010, 17:35
Posts: 3240
Location: Massachusetts, USA
Sometimes yes, most times no. The problem will likely be after recognizing BIOS, as the drive typically is unstable due to bad sectors. So, high chance it will still not be successful.
You will need to clone to another healthy drive using more advanced tools to have any chance.
If the files are fairly important, then seek a specialist.

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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 20th, 2018, 8:22 
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Joined: March 16th, 2018, 6:37
Posts: 5
Location: Spain
Thanks for the replies.

It is impossible to me pay more than 200 € for recovery the data. Is Spain is impossible do it for less than 1000 or 1500 €..so I want to try to do by myself.

Can you recommend me some software in order to clone the hdd or do an image?. The idea is to work with the copy for the recovery.

R-studio, dddrescue,clonezilla or other?.

I thing that the program should have the possibility of skip bad sectors, because the hdd still had problems.

I wait for your replies.

Thanks in advance.
Àngel.


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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 23rd, 2018, 9:21 
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Joined: August 18th, 2010, 17:35
Posts: 3240
Location: Massachusetts, USA
Clonezilla's engine is based on ddrescue I believe. So, yeah this is fine. A little better is hddsuperclone. Careful not mixing source with destination, which is a common mistake. Though, best would be a hardware based imager that typically a specialist would have.

As far as your estimates, I think they are a bit exaggerated. Or perhaps you called the big dogs only.

There are.some people here on the forum in Spain who may be able to help you. For example, member colanco.

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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 23rd, 2018, 13:08 
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Joined: October 16th, 2013, 13:21
Posts: 717
Location: Brazil
In two years, at a rate of 50 euros/month, one can save enough money to pay for recovery.

Either way, if you want to do this yourself, ddrescue or hddsuperclone would be some free tools to use. It would be better with the disk connected directly to SATA.

Also, if the disk is not being recognized in bios, changes are that neither software will recognize it also. Or, more, that forcing it to work can cause damage and make the data irrecoverable. As long as you understand and accept this, and also accepts that in the event of total loss you have nothing else to do, then go ahead and try cloning it first. Sometimes, it works, and maybe you can recover some of your files.


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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 23rd, 2018, 15:29 
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Joined: December 19th, 2006, 8:49
Posts: 9510
Location: Portugal
My take on this :

1 - Initial problem drive with bad pre-amp. The pre-amp dies, the drive just clicks because can't find servo and head stack hit limiter but apart from pre-amp all is fine.

- Normal sollution -

Replace head stack inside HEPA 100 clean / aseptic room with proper tools and knowledge and compatible parts.

But you chose DIY sollution and you replaced heads outside clean room. Now you have platter full of dust particles and BAD SECTORS. You decide to do a very BAD MOVE that is use USB instead of cloning/imaging the drive right away in one go while it was still running.

The particles of dust don't allow for data to be read on some places of the platter, entries are added to the A-LIST that most likely gets BAD and locks the drive with LED error message in terminal. Now new set of heads starts to get "contaminated" as well and platter starts to sustain damage.

So you end up with :

- Bad method of recovery.
- Lack of tools.
- Damged platter.
- Damage firmware.
- Damaged Heads.

And the list goes on....


If you do value your data and if you waited so long (2 years) i would say SEND IT TO A REPUTABLE DATA RECOVERY FIRM !!!!

At this point it will be expensive, yes. Most likely $1500 as no-one likes to work on a messed up drive and expect to pay mre just because the lid was opened.

But if you had send the drive right away to a reputable firm you could had get away with a $600 or less recovery for your specific drive.

:( :( :(

As already stated lacking hardware tools you can try HDDSuperClone but i wouldn't do so by USB and most likely the drive will not be visible at all and will have firmware issues so .....

There is also some nice "insitu" commands to disable re-location either by setting a flag on firmware or by disbling re-location in RAM using a single VSC. That alone would had "prevented" for defects to be added to the pending list .... Now it's too late in my opinion ....

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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 23rd, 2018, 18:00 
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Joined: October 16th, 2013, 13:21
Posts: 717
Location: Brazil
Spildit wrote:
There is also some nice "insitu" commands to disable re-location either by setting a flag on firmware or by disabling re-location in RAM using a single VSC. That alone would had "prevented" for defects to be added to the pending list .... Now it's too late in my opinion ....



Do you have more information about this VSC to disable relocation in ram ? Could make some things less error-prone then doing through terminal ....

thanks


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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 23rd, 2018, 18:03 
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Joined: December 19th, 2006, 8:49
Posts: 9510
Location: Portugal
rogfanther wrote:
Spildit wrote:
There is also some nice "insitu" commands to disable re-location either by setting a flag on firmware or by disabling re-location in RAM using a single VSC. That alone would had "prevented" for defects to be added to the pending list .... Now it's too late in my opinion ....



Do you have more information about this VSC to disable relocation in ram ? Could make some things less error-prone then doing through terminal ....

thanks


Yes. I do have the VSCs to turn re-location on/off in RAM and i do have the set to turn on/off "insitu" as well (on trinity). Ram changes will not survive a power cycle.

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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 23rd, 2018, 18:04 
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Joined: December 19th, 2006, 8:49
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Location: Portugal
If you have for example a full version of SHTR you can do that with a simple click.

There is also a way to do the same by issuing terminal commands that will work as ATA ober terminal....

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 Post subject: Re: SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
PostPosted: March 29th, 2018, 10:31 
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Joined: March 16th, 2018, 6:37
Posts: 5
Location: Spain
Thank you so much for everything.

I will try to find a proffesional in spain.


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