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 Post subject: Barracuda 7200.10: Spin motor locked
PostPosted: April 10th, 2008, 11:43 
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Joined: July 8th, 2006, 6:18
Posts: 222
Hi all,
another day, another seagate.
I've a 320GB Barracuda 7200.10 here, error: spin motor locked.
It squeals while trying to "buzz" and the stops with the above message.
The current waveforms to the spindle motor look ok on the oscilloscope.
From your experience, what shoud I expect: head stick onto one surface or bearing?
The drive was in an external enclosure, so my guess is that it got rather hot.


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 10th, 2008, 12:14 
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Joined: March 23rd, 2008, 19:52
Posts: 71
Location: somewhere cold
just open it and see, it will have to be opened one way or another to fix this.
we had numbers of them here that we were not even able to rotate manualy even bearings were dead on. same "buzz"


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 10th, 2008, 17:19 
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Joined: July 8th, 2006, 6:18
Posts: 222
Yep, the point is that the customer would pay the recovery if we manage the platters to start up, but definitely not for a MHA swap. I'll see if I can get some cleanroom time the next days, otherwise he would either wait or pay lots of bucks elsewhere. Time to get our cleanbox ready I'd say...


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 10th, 2008, 17:49 
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Joined: March 23rd, 2008, 19:52
Posts: 71
Location: somewhere cold
shaun wrote:
Yep, the point is that the customer would pay the recovery if we manage the platters to start up, but definitely not for a MHA swap. I'll see if I can get some cleanroom time the next days, otherwise he would either wait or pay lots of bucks elsewhere. Time to get our cleanbox ready I'd say...
yeah, there is couple of things to try before you start to swap anything. like I said guessing is useless, you need to open it and see for yourself.


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 10th, 2008, 20:39 
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Joined: June 8th, 2006, 19:44
Posts: 3144
Location: Atlanta, GA
Motor bearing seizure is fairly common on this model.

Even if you manage to free the motor, the vibration from the bad bearing may make it practically impossible to image the drive.

I've made a tool to free the motor, but haven't yet been able to read the data.

Seagate's dampeners between the platters makes platter swaps undoable for me.

Jon

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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 11th, 2008, 4:11 
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Joined: April 4th, 2008, 5:49
Posts: 42
Probably I have a similar tool... but hope !!! Sometimes I was able to recover the data.


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 11th, 2008, 8:30 
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Joined: July 8th, 2006, 6:18
Posts: 222
Could you two please give me a hint what kind of tool you use for freeing the motor?
Times are gone when we opened full size 5,25" "winchesters", turned the power on and helped turning by hand I guess :)


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 11th, 2008, 10:39 
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Joined: June 8th, 2006, 19:44
Posts: 3144
Location: Atlanta, GA
Here is one for WD, Seagate, & Maxtor


Attachments:
Motor Tool.jpg
Motor Tool.jpg [ 229.52 KiB | Viewed 12613 times ]

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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 11th, 2008, 11:13 
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Joined: April 4th, 2008, 5:49
Posts: 42
Shaun, see your PM


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 11th, 2008, 16:46 
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Joined: July 8th, 2006, 6:18
Posts: 222
Thank you,
I'll give it a try next week.


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 12th, 2008, 3:33 
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Joined: January 26th, 2007, 22:49
Posts: 291
Location: Earth
jono-ats wrote:
Here is one for WD, Seagate, & Maxtor

Jon,

You always keep making surprise and full of aspiration.

Even It looks similar like a complex flask opener. I believe it is easy to use and can free Motor bearing seizure.

You can make more research and find a solution of vibration of platters when freezing the motor.

I will wait for your next generation flask opener, oh, no, your motor seizure unlocker. :D

Best REgards,

Laura Lee

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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 12th, 2008, 16:33 
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Joined: October 3rd, 2005, 0:40
Posts: 4753
Location: Hungary
Hi

I had several of these seagates and these were done with rather good success rate. Apart from the one that almost jumped off the bench when it seized again during imaging :) that was cool. A jumping seagate :)

pepe

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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 12th, 2008, 16:41 
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Joined: July 8th, 2006, 6:18
Posts: 222
Good hint, I'll place the dustbin accordingly :wink:


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 13th, 2008, 17:37 
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Joined: June 8th, 2006, 19:44
Posts: 3144
Location: Atlanta, GA
salvationlaura wrote:
jono-ats wrote:
Here is one for WD, Seagate, & Maxtor

Jon,

Even It looks similar like a complex flask opener. I believe it is easy to use and can free Motor bearing seizure.

I will wait for your next generation flask opener, oh, no, your motor seizure unlocker. :D

Laura Lee


Hi Laura,

Nothing too mysterious or high tech about my "flask opener."
:lol:

Best regards,

Jon

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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 14th, 2008, 0:44 
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Joined: August 8th, 2007, 6:32
Posts: 1238
Location: inside ROM
I have seen many 7200.10 series with motor problems, some i managed to free the motor but some were totally dead locked.

Pepe, did you use a tool similar to Jono to free the motor? or you have something else?

Jono, with your tool..did you just keep turning the motor until it loosen a bit?

Thanks


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 14th, 2008, 0:47 
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Joined: June 8th, 2006, 19:44
Posts: 3144
Location: Atlanta, GA
Yes.

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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 14th, 2008, 4:11 
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Joined: April 4th, 2008, 5:49
Posts: 42
You have to use some patience... sometimes is a long work. A way to reduce vibration when it is almost free is to start motor with the open case, and stop when the spin reach right speed, one moment before heads start to move. You will find right moment with some experience. Start and stop again and again. Every time you will have less vibration. And, don't forget to fix it in some way during recovery... or it will jump off the table (suicide drive ?) !!!


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 22nd, 2008, 15:17 
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Joined: June 27th, 2006, 11:33
Posts: 2288
Location: In ur HDD !
A jumping seagate lol .
Seagate == sucide of data .


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 23rd, 2008, 4:02 
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Joined: January 26th, 2007, 22:49
Posts: 291
Location: Earth
well,
If
Seagate == sucide of data .
Then
Maxtor== Maximum Tolerance Tester.

:D

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SalvationDATA--Profesionnal Hard drive solution Provider. MSN: sales.laura@salvationdata.com


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 Post subject: Re: Barracuda 7200.10: Spin motor locked
PostPosted: April 27th, 2008, 14:49 
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Joined: June 27th, 2006, 11:33
Posts: 2288
Location: In ur HDD !
As far as i have seen WD drives Marvell series is Shit .


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