poor HD performance

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I installed FC3 the other day and found some really cool new features 
and the like but discovered a few bugs as well. I found HD performance 
is slow compared to FC2. I ran some copy tests between multiple disks 
(I have 3 fairly new ATA 133 drives and a brand new DVD burner) and I 
noticed that the processor usage skyrocketed (50%+ on a normal copy) 
and while burning to DVD is fine reading from it is severly slow.

I have checked hdparm and everything seems ok yet even though my 
machine is relativley new (3ghz, 2gb ram etc) it seems to really 
struggle with disk speed. I am also running the SMP kernel with 
hyperthreading turned on whereas in FC2 I was running the normal kernel 
without hyperthreading, could that have something to do with the 
problem. Has anyone got the same problem and or a solution. It would be 
most appreciated.


cheers,


Lyle Chapman

Pre-Press Supervisor
Torch Publishing Co.
47 Allingham Street, Condell Park 2200, NSW, Australia
612 9795 0000
http://www.torchpublishing.com.au


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