[Beowulf] Are disk MTBF ratings at all useful?
landman at scalableinformatics.com
Mon Apr 22 09:11:39 PDT 2013
On 04/22/2013 12:07 PM, mathog wrote:
> In partial answer to the subject question, let us apply the mode of
> analysis used by the drive manufacturers
> to human life expectancy, as if Humans were one of their products.
> That is, what is the Human AFR and
> MTBF? Unlike for disk drives, we can easily obtain a table of USA
> So the MTBF for the humans (in years, not hours), is 1/.000676 = 1479
> This number is just as nonsensical for people as 150 years is for
Paraphrasing that great philosopher, Yoda ...
"If into the MTBF calculations you go, only pain will you find."
MTBF may be more of a statement of wishful thinking. Not unlike IOP and
bandwidth numbers on SSDs. Oh I didn't go there ... oh wait ... I did ...
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics, Inc.
email: landman at scalableinformatics.com
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