[Beowulf] Re: failure trends in a large disk drive population

Mark Hahn hahn at mcmaster.ca
Tue Feb 20 11:38:30 EST 2007


>   Not sure the vapor pressure of the perfluoroethers that they use as 
> lubricants
>   varies that much over the operating temperature regime of a disk drive.

on the other hand, do these lubricants tend to get sticky or something
at lowish temperatures?  the google results showed significantly greater
failures in young drives at low temperatures.  (as well as extreme-temp
drives when at end-of-life.)
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