Mailinglist Archive: opensuse (1473 mails)

["David C. Rankin" <drankinatty@xxxxxxxxxxxxxxxxxx>]

On Wednesday 17 June 2009 02:36:53 pm Randall R Schulz wrote:
> On Wednesday June 17 2009, Miguel Medalha wrote:
> > ...
> >
> > Good practices should be followed regardless of a particular outcome.
>
> It's only a good practice if it's based in empirical fact, not merely
> intuition.
>
>
> Randall Schulz

        Shall we revisit the physical correlation between friction and heat, 
mechanics of materials, or any of the other physical principles involved?

        I think the google study precisely supports exactly what I said. 

"keeping drive temps below 43 deg. C is more or less the gold standard with 
drive lifetime dropping rather sharply above 45 degrees"

http://www.3111skyline.com/download/screenshots/driveTempFailure-
ProbabilityDensity.jpg

(from: http://labs.google.com/papers/disk_failures.pdf - page 6)

**Note** google did not even show results on the graph for drive temps greater 
than 55 C (but notice the trend line of the right side of the graph at 55 C) 

-> asymptotic


-- 
David C. Rankin, J.D.,P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
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Telephone: (936) 715-9333
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