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A comment on A Cheap, Ubiquitous Earthquake Warning System.

Re:A Cheap, Ubiquitous Earthquake Warning System by lancemjoseph on Tuesday April 28, 2015 @01:06AM (#9450599)
What about hard drives in a datacenter? Polling read latency for instance of a couple thousand drives could provide enough data. Has this been attempted before?
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Re:A Cheap, Ubiquitous Earthquake Warning System by andygates on Tuesday April 28, 2015 @04:00AM (#9450955)
Those drives are all in one location. In addition to being many, the sensors also need to be widespread.
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