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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: April 7th, 2016, 6:05 
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Joined: November 3rd, 2013, 13:04
Posts: 258
Location: Hungary
I have run a head test, and found both heads cant write to SA.


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: April 7th, 2016, 9:46 
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Joined: March 19th, 2015, 15:01
Posts: 1406
Location: isreal
saltwater wrote:
So how can i do a smart hot swap on these drives?

you didn't respond to the first question:
jermy wrote:
saltwater wrote:
I tried all possibilities.

Maybe you have tried all possibilities but not all of them is written here
1 in particular I'm interested to know is
patient PCB with donor ROM on patient HDD ?


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: April 7th, 2016, 9:52 
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Joined: March 19th, 2015, 15:01
Posts: 1406
Location: isreal
saltwater wrote:
I have run a head test, and found both heads cant write to SA.

So, maybe I'm right after all ?!
jermy wrote:
saltwater wrote:
i can't write these modules, and changing back dir to original results, i cant write module 04 back.

seams to me heads can read but not write
the fact that you have recovered 3 drives with this HSA before
saltwater wrote:
i have recovered three other WD5000LPVX drives, so the heads were good!

doesn't proof that head can write


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: April 10th, 2016, 15:02 
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Posts: 258
Location: Hungary
jermy wrote:
saltwater wrote:
I have run a head test, and found both heads cant write to SA.

So, maybe I'm right after all ?!
jermy wrote:
saltwater wrote:
i can't write these modules, and changing back dir to original results, i cant write module 04 back.

seams to me heads can read but not write
the fact that you have recovered 3 drives with this HSA before
saltwater wrote:
i have recovered three other WD5000LPVX drives, so the heads were good!

doesn't proof that head can write



Okay jermy you are right, but i'm afraid, write errors made more errors (CRC error) on SA. No matter i change heads or not. With new heads also cant write SA on damaged sectors.
So the result is if heads can read, smart hot swap method could help in this case.
Why i cant write SA on donor drive with patient PCB, except when i exchange ROM 4F module in patient ROM?


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: April 10th, 2016, 15:49 
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Joined: March 19th, 2015, 15:01
Posts: 1406
Location: isreal
jermy wrote:
saltwater wrote:
I tried all possibilities.

Maybe you have tried all possibilities but not all of them is written here
1 in particular I'm interested to know is
What about patient PCB with donor ROM on patient HDD ?


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: April 11th, 2016, 3:51 
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Joined: November 3rd, 2013, 13:04
Posts: 258
Location: Hungary
jermy wrote:
jermy wrote:
saltwater wrote:
I tried all possibilities.

Maybe you have tried all possibilities but not all of them is written here
1 in particular I'm interested to know is
What about patient PCB with donor ROM on patient HDD ?



Yes, tried. I have ssshh ssshhh sound from inside, and i cant initialize heads, but if i upload 4F module, then i can initialize heads, and can access to SA.


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: May 18th, 2016, 4:22 
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Joined: November 3rd, 2013, 13:04
Posts: 258
Location: Hungary
....now i have another case with a same issue.
The patient drive is a FBlite WD10JFCX-68N6GN0 with damaged module 31 and 33. I can repaire these modules, but i cant write back them, even when i shift modules offsets to free space in dir module.
I can edit and write healthy modules.
With patient PCB i cant access donor drive SA (also a WD10JFCX-68N6GN0 with same preamp revision and DCM head codein ROM) till i write donor ROM 4F module to patient ROM.
Please help how can i do a smart hot swap method on HUBBLE, HUBBLE_LT, Firebird, and FBlite drives!


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: May 20th, 2016, 8:33 
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Joined: October 4th, 2007, 12:07
Posts: 105
saltwater wrote:
Please help how can i do a smart hot swap method on HUBBLE, HUBBLE_LT, Firebird, and FBlite drives!

I'm also interested in a solution. Anybody that have succeeded ?


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: May 20th, 2016, 12:57 
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Joined: March 7th, 2009, 12:43
Posts: 889
Location: Angel Data Recovery
It can be done that easy like for previous families due of unique things stored in 4F module. Start to think how work around this problem.

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Angel Data Recovery


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: May 20th, 2016, 15:23 
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Joined: November 29th, 2006, 10:08
Posts: 7451
Location: UK
DR-Kiev wrote:
It can be done that easy like for previous families due of unique things stored in 4F module. Start to think how work around this problem.


That's the stumbling block I'm coming across in my research on this.

I can easily make a smart hotswap donor using combined read modules from the patient with SA damage and 4F in ROM from the donor, but need to try and get 4F from the patient into the RAM so that the hot swap will work.

Still work in progress, but it finding the time! :-)

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PC Image Data Recovery
http://www.pcimage.co.uk

New!! HDD-PCB.COM for all your PCB and donor HDD requirements!


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 Post subject: Re: WD Hubble_LT drives smart hot swap problem. Please help!
PostPosted: February 10th, 2017, 12:42 
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Joined: March 14th, 2013, 19:15
Posts: 19
Location: Florida - USA
We can help with this issue if you need.


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