Price/Performance of time

Šarūnas sarunas at mail.saabnet.com
Tue Sep 30 10:36:05 EDT 2008


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Jon 'maddog' Hall wrote:
> Šarūnas,
> 
>> What was the transfer speed for the latter? Seek times for both? One
>> thing is to store data, another --- getting it, or finding it at all,
>> in time, that is...
> 
> Well, at first I was simply going to write you about how I was talking
> about a 30+ year old disk drive from a computer company that has been
> defunct for over ten years, but then I did a google and on the first
> try, in less than two seconds, I came up with this:
> 
> http://www.columbia.edu/acis/history/rp06.html
"Finding" the data!.. :) Thanks for all the other details.

It's about 6 Mb/s or just shy of 1MB/s. The entire data contents of RP06
then could have been fetched in about 200s (let's say 3min), compared to
1TB at 300MB/s and thus approx. 3000s or close to 1h.

Šarūnas Burdulis
Etna, NH
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