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Re: Hardrive clicking / Kernel issue or daemon ?



On Thursday 03 June 2004 22:13, vejmarie numericable fr wrote:
>You are right this is a laptop drive I can't really help him to get
> cooler except leaving florida !
>Basically what I do have observed as well is that with standard
> kernel from FC2, I do not have this issue which is basically coming
> from the fact that the processor is locked to running at 800 Mhz (
> my BIOS do not support PST structure required by the standard
> powernow-k8 kernel module ). I do have had to patch the kernel to
> allow the processor running at 1.8 Ghz, and the hard drive issue
> appears only in that case.
>
Aha!  So thats where the heat is coming from. I'd imagine you have 
doubled the power input, and the heat output of the cpu, and I'm 
wondering how long it itself will survive, not to mention the power 
regulation circuitry for the cpu with its at least doubled current 
drain.

Heat management in a laptop is probably the highest paid engineering 
job at the laptop makers R&D shop, and much of that stuff is designed 
right down to the gnats eyebrow for cooling.  I think in the 
interests of decent life for both the laptop and its battery, I'd put 
it back to the factory speed.  The laptop is too valuable to cook 
trying to make up some bragging rights, do that to a $300 dollar 
Wallmart box instead.

>I am now wondering if the patch applied to use ACPI rather than PST
> structure is not breaking processor fan and internal fan usage of
> the system which could increase the overall temperature of the
> system. I basically do have to check for that. Any idea on that
> point will be great, I do have to co tact as well the maintainer of
> the powernow-k8 kernel module ...
>
>Jean-Marie
>
>Selon Ow Mun Heng <Ow Mun Heng wdc com>:
>> On Thu, 2004-06-03 at 17:59, Gene Heskett wrote:
>> > On Thursday 03 June 2004 18:42, Ow Mun Heng wrote:
>> > >On Thu, 2004-06-03 at 02:18, Peter Cannon wrote:
>> > >> Hi Jeam-Marie
>> > >>
>> > >> On Thursday 03 Jun 2004 03:41, vejmarie numericable fr wrote:
>> > >> > It is clicking let's say every 10 to 30 s like if the head
>> > >> > of the hardrive where put in an off position and restarted
>> > >> > or like if my disk was going to die.
>> > >>
>> > >> I don't have the answer as even after 8 months I'm still a
>> > >> novice but, the same problem happend with FC 1 now I'm not
>> > >> sure of the exact kernel issue I think it was about three
>> > >> back (FC1 Kernels that is) as you said it sounded like the
>> > >> heads were extending to far on the platters this usually
>> > >> indicates imminent hardware failure, however on the next
>> > >> issue of kernel (which if memory serves me, was very fast)
>> > >> the problem was fixed so I take the view that the problem
>> > >> lies in the kernel.
>> > >
>> > >Hmm.. sound like my problem too.. D600 with factory
>> > > 30GB(fujitsu), no clicking..
>> > >
>> > >Upgraded to 80GB(hitachi) and there's the clicking. Checked
>> > > smartd, no problems with the drive.
>> > >
>> > >Been like 1+ months. No problems (touch wood). I thing I do
>> > > notice is that it seems to happen is the drive's Hot. or not
>> > > doing anything. Once I get XMMS running or reading some files
>> > > or ls -laR, it goes off.
>> > >
>> > >Funny..
>> >
>> > Not to the drive I'm afraid.
>> >
>> > This clicking is the drive itself doing whats known as thermal
>> > recalibrations.  Its aware of the tempurature rise, knows that
>> > the disks are growing with the heat, and is relocating a few
>> > tracks here and there in order to keep its ability to seek up to
>> > date as the physical dimensions of the disk change.  When the
>> > disk gets busy, the seeks associated with the activity usually
>> > furnish the correction info it needs, or the seeks may become
>> > buried in the normal activity noises.
>> >
>> > I don't mind it occasionally, say every 5 to 10 minutes as it
>> > warms up, but if it gets too warm, they will continue
>> > essentially non-stop. If after say half an hour of warmup, it is
>> > still doing it frequently, then consider re-arranging the drives
>> > mountings for better cooling, like leaving an open bay on both
>> > sides of it, or mounting it in a drive cooler thats then mounted
>> > in a 5.25" bay.  Additional cooling fans to improve the internal
>> > circulation may help, but don't make the mistake of adding rear
>> > panel exhaust only fans without opening up the fan port (putting
>> > an intake fan there is even better) on the front fan pad most
>> > boxes have so that the PSU fan isn't starved for air, and
>> > cooking the PSU.
>>
>> That's the best explanation I've heard of. Though I'm really
>> curious on where
>>
>> you got that info. I work in a HD company and yet I'm oblivious to
>> that "feature"
>>
>> BTW, this is a laptop 5400rpm drive. It has got NO place to go
>> with better cooling. :(
>>
>>
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-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
99.23% setiathome rank, not too shabby for a WV hillbilly
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by Gene Heskett are:
Copyright 2004 by Maurice Eugene Heskett, all rights reserved.



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