Re: [Xen-users] cpu life cycle comparison, virtualized to standard?

[John Hearns <john.hearns@xxxxxxxxxxxxxxxxxxxxxxxx>]

Tim Post wrote:
> Hello to all,
>
>
> Does anyone know if this is being studied and if data is becoming
> available?
Google recently produced a report on disk failures.
http://storagemojo.com/?p=378
This doesn't give an answer to your question though.

Purely on a personal level (ie not speaking for my company) the 
components which most often go wrong are the moving ones - disks and fans.
That aside, I don't think running systems at 100% utilisation will 
reduce their lifetime.
THAT IS if cooling is adequate ie. if you make sure systems are cooled 
properly, proper front to back flow of cold air, and take steps to 
monitor the temperatures then I don't think system lifetime will be 
reduced. Think of all the mainframes and supercomputers which are now 
either scrapped or sitting in storage - most of them probably still 
function fine, even though they had hard lives when they were in production.


John Hearns

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