On 2003-04-02T14:19:46,
   Vladimir Milovanovic [off-list ref] said:

Wow... I hope that one of the maintainers will comment on this, I didn't 
even know that XP had a sw RAID implementation. Up to 100% more on read 
and 60% more on write is quite a significant margin. Is there anything 
in favour of the md driver if this is true?

I've not really checked these numbers yet, so take the following with a grain
of salt.

However, with RAID1 for example, I got approximately twice the read speed and
95% of the write speed (compared to just using a single disk).

I have a really hard time imagining a 100% read boost; that would simply
exceed disk bandwidth, and 60% writes - how should that work?

I'm not claiming md is perfect or the fastest imaginable solution, but it is
rather close to theoretical disk bandwidth. A two digit percentage performance
improvement just can't be done.



Sincerely,
    Lars Marowsky-Brée [off-list ref]

-- 
SuSE Labs - Research & Development, SuSE Linux AG
  
"If anything can go wrong, it will." "Chance favors the prepared (mind)."
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