centos-bounces@xxxxxxxxxx wrote:
> On Wednesday, March 09, 2011 10:16:34 am Brunner, Brian T. wrote:
>> This would be far cheaper than the time spent troubleshooting the
>> running (sometimes hanging) system.
>
> Let me interject here, that from a budgeting standpoint
> 'cheaper' has to be interpreted in the context of which
> budget the costs are coming out of.
This degenerates into "Your dollars are cheaper than my dollars".
> New hardware is capex,
> and thus would come out of the capital budget, and admin time
> is opex, and thus would come out of the operating budget.
This is where mental ossification amongst bean-counters can kill a
company.
"Economic Opportunity Cost" should raise its head here: What would we do
with the $capex if we paid $opex vs what would we do with the $opex if
we paid $capex. "The Time Value of Money vs The Money Value of Time" is
another phrasing of this point-of-view. Unfortunately this is no longer
a CentOS topic.
>> Starting with RAM and Power Supply is not random ... They're "The
>> Usual Suspects".
>
> This is a very true statement.
>
> Heat and airflow are two others.
RAM and PowerSupply are easy starting points: swap RAM between two
systems and see (in the next 3 months) if the problem moved, swapping
power supplies is a bit trickier but doable if the systems are similar
enough. Again, several months watching to see where the problem
manifests is a test of patience and diligence. It's possible that doing
this will make the problem stop arising (RAM and PS are both good
enough, they just don't play well together).
Heat & airflow are harder to swap (says the guy who opened an office
desktop, and vacuumed out enough hair, lint, dust, dander, and ashes to
knit a grey angora hamster (with lung cancer)).
Insert spiffy .sig here:
Life is complex: it has both real and imaginary parts.
//me
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