[Beowulf] Consumer vs. Enterprise Hard Drives in Clusters

Erwan Velu erwan at seanodes.com
Thu Jan 29 09:13:11 EST 2009


Bill Broadley wrote:
> I found my actual results from a WD consumer 320GB drive (single platter) with
> the drive on the bench vs inside a 1U node:
>
> http://cse.ucdavis.edu/bill/wd320-2MB-points.png
>
> http://cse.ucdavis.edu/bill/wd320-2MB-points-vibration.png
>
> Once the WD320 (a consumer drive) was replaced with a seagate es2 (raid
> edition drive):
>
> http://cse.ucdavis.edu/bill/seagate-es.png
>   

Hey Bill,
Are we sure the only difference between both cases are only the vibrations ?

Do you use the same disk controller in all cases ?
Does the workload is exactly the same ?
Does the interconnect is the same ?


Cheers,
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