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pcrecovery
 Post subject: Seagate CLICKING but operational
PostPosted: May 24th, 2012, 12:59 
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Joined: June 9th, 2008, 12:06
Posts: 213
Have been working on a case involving a ST750330AS. Drive had PCB problem. Replaced faulty PCB. Drive would click constantly, but ID correctly/fully and data was readable from all heads. PC3000 indicated nothing unusual, all FW seemed good, etc. I concluded perhaps a case of weak head(s) since all were reading data.

I had used DE to create map of data area needed and was imaging only those sectors required. Drive began to click very loudly. I had most the the data, so I decided to power cycle the drive and imagined that it would not reach readiness. Surprisingly, the drive is now quiet and imaging at full speed with no noise. This seems to thwart my weak heads theory and at this point, it is strictly academic and curious to note.

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unknown
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 24th, 2012, 13:20 
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Joined: October 21st, 2007, 8:48
Posts: 1712
Strange case indeed. ( Temporarily weak heads ) :)
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BlackST
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 24th, 2012, 13:48 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
I have my theory . PM sent
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SquaL
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 24th, 2012, 13:49 
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Joined: March 3rd, 2009, 15:27
Posts: 131
Location: Canada
Environment contribute?
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BlackST
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 24th, 2012, 14:29 
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Joined: July 18th, 2006, 3:05
Posts: 7476
Location: ITALY
Uhm.... No.
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unknown
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 24th, 2012, 14:40 
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Joined: October 21st, 2007, 8:48
Posts: 1712
Related to the failure of the original PCB?
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crecomp
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 26th, 2012, 7:44 
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Joined: November 9th, 2006, 22:36
Posts: 344
Interestingly I have come across 2 or 3 seagates lately that have behaved the same and have imaged while clicking,
In one case I had done a bearing swap, drive spun up, shows I'd and is clicking but still got all the data,
In the other had an issue with heads, installed new heads, you can hear a loud continuous click but still imaging

Not sure why
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pcimage
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 26th, 2012, 8:08 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
crecomp wrote:
Interestingly I have come across 2 or 3 seagates lately that have behaved the same and have imaged while clicking,
In one case I had done a bearing swap, drive spun up, shows I'd and is clicking but still got all the data,
In the other had an issue with heads, installed new heads, you can hear a loud continuous click but still imaging

Not sure why


Got a 2tb ES drive like that now. Changed heads and it clicks like mad but still images.

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quasimodo
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 26th, 2012, 12:29 
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Joined: October 23rd, 2006, 8:56
Posts: 1336
pcimage wrote:
crecomp wrote:
Interestingly I have come across 2 or 3 seagates lately that have behaved the same and have imaged while clicking,
In one case I had done a bearing swap, drive spun up, shows I'd and is clicking but still got all the data,
In the other had an issue with heads, installed new heads, you can hear a loud continuous click but still imaging

Not sure why


Got a 2tb ES drive like that now. Changed heads and it clicks like mad but still images.


Had the same case about a month ago.
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northwind
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 28th, 2012, 3:12 
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Joined: January 28th, 2009, 10:54
Posts: 3547
Location: Greece
Me too, with an ES. Very funny $hit :)

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unknown
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 28th, 2012, 10:00 
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Joined: October 21st, 2007, 8:48
Posts: 1712
I had several cases before like that.

Logical explanation ?
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pcimage
 Post subject: Re: Seagate CLICKING but operational
PostPosted: May 28th, 2012, 10:04 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
Playing with head map in DE reveals that heads 5 & 6 read much better than the rest :-)

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