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Re: Hard drive Temp



On Sunday 12 June 2005 07:08 am, fedora-list-request redhat com wrote:
> Message: 4
> Date: Sun, 12 Jun 2005 18:13:31 +1000
> From: taso <ahg4 aanet com au>
> Subject: Re: What IS reasonable disk drive temperature?
> To: For users of Fedora Core releases <fedora-list redhat com>
> Message-ID: <42ABEEAB 3040607 aanet com au>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Ben Steeves wrote:
> > On 6/12/05, Tony Nelson <tonynelson georgeanelson com> wrote:
> >>Hard drives are refrigerators, and run cooler than ambient?  Sure about
> >> that?
> >
> > Yes, I am.  As I said, you should put them close to an exhaust fan to
> > pull warm air off them.  The temperature sensors at the hard drive
>
> The HD temperature CANNOT be lower than ambient unless there is some type
> of refrigeration happening. Therefore, your drives are either refrigerated
> or your measurements are suspect.

Hard drives ALWAYS run hotter than the ambient temp inside the case. The 
faster the hard drive RPM's the hotter it is going to run. It is just a fact 
of life. no matter how well something is lubricated, it is stiff going to 
produce friction, which we all know friction=heat. If you are running fast 
hard drives they will run hotter. it is a good idea to make sure that there 
is plenty of air flow around them to help cool the drives they will always be 
warm to the touch, but should not be running "hot". if they are to hot to 
touch, you are shortening the lives of the drives. What I used to do on my 
file servers that were loaded to the max with drives was to cut holes in the 
cases so that I could put ducted fans directing cool air at the drives. (15 
Machines with 4" ducts to each of them) It wasn't pretty but it worked.....

James Carver

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