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 Post subject: Seagate 7200.7 Alpine
PostPosted: October 21st, 2010, 13:19 
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Joined: October 21st, 2010, 13:17
Posts: 8
Location: USA
Is it possible to boot up an Alpine 7200.7, 1 platter / 2 heads with only Head0?

Top surface has media damage.

Thanks


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 Post subject: Re: Seagate 7200.7 Alpine
PostPosted: October 21st, 2010, 13:23 
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Joined: October 21st, 2010, 13:17
Posts: 8
Location: USA
I'll try a hotswap clone. I think that may be the best bet.

However from what I understand, these drives need both heads to be good to be able to init


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 Post subject: Re: Seagate 7200.7 Alpine
PostPosted: October 21st, 2010, 15:06 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
Depending on what is really "missing" there are ways to forcefully init an Alpine, but I should see what effectively happens... hoping media damage won't kill the head completely and make it definitively FUBAR. It's risky. Make a proper diagnose first.

Do you have pictures of the media damage and/or the log at startup or some other info ?


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 Post subject: Re: Seagate 7200.7 Alpine
PostPosted: October 21st, 2010, 15:57 
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Joined: October 21st, 2010, 13:17
Posts: 8
Location: USA
BlackST wrote:
Depending on what is really "missing" there are ways to forcefully init an Alpine, but I should see what effectively happens... hoping media damage won't kill the head completely and make it definitively FUBAR. It's risky. Make a proper diagnose first.

Do you have pictures of the media damage and/or the log at startup or some other info ?


Thanks for the reply.

Well currently the problem is that there's read errors in the App code. I however think that Alpine's need both heads to init so I would need to modify the App code or something and then send the modified App code to the drive with a serial program of some sort.

I think that my best bet would be to build a hotswap clone and try to image Head0 that way. But I think that it will crap out once I do the hotswap. Seagates are kind of touchy with that kind of thing.

Do you know where the heads map offset is for Alpines?


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 Post subject: Re: Seagate 7200.7 Alpine
PostPosted: October 21st, 2010, 17:43 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
This thing made me curious about one possibility - I will do an experiment on an Alpine.

In your case H0 is fine and H1...Hn have problems, right ?
Do you have PC3000UDMA or at least SD tool or something else (and if so, what?)


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 Post subject: Re: Seagate 7200.7 Alpine
PostPosted: October 21st, 2010, 18:04 
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Joined: October 21st, 2010, 13:17
Posts: 8
Location: USA
BlackST wrote:
This thing made me curious about one possibility - I will do an experiment on an Alpine.

In your case H0 is fine and H1...Hn have problems, right ?
Do you have PC3000UDMA or at least SD tool or something else (and if so, what?)


Yep, I use PC3K UDMA


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 Post subject: Re: Seagate 7200.7 Alpine
PostPosted: October 21st, 2010, 18:45 
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Joined: October 21st, 2010, 13:17
Posts: 8
Location: USA
Nevermind figured it out.


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