Michael Austin wrote:
>> What precisely are the read benefits of RAID 5?
>
>
> Well, that depends on the amount of data being read.. If it is a lot (ie
> greater than the chunk size) then you have many chunks returned
> concurrently as opposed to serially. They eventually get put back
> togehter, but reading many disk blocks at a time is much faster... and
> depending on the amount of data requested, you will get a greater degree
> of parallelism - which is always faster than serial.
And you believe that you need RAID 5 to have parallel reads? You've
got me fascinated. Why do you think that statement is true?
--
Daniel Morgan
http://www.outreach.washington.edu/ext/certificates/oad/oad_crs.asp
http://www.outreach.washington.edu/ext/certificates/aoa/aoa_crs.asp
damorgan_at_x.washington.edu
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Received on Thu Jun 03 2004 - 00:47:39 CDT
