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Is this normal looking performance?

colinstu

2[H]4U
Joined
Oct 11, 2007
Messages
3,563
Two 2TB Samsung EcoGreen F4's in raid 1. My motherboard's hardware raid. I didn't buy these drives for performance, but it's just a bit odd looking.

hdtunebenchmarkintelrai.png


Why does it take such a dump in performance after 60%?

And I have no clue what's with the -1% CPU usage.

Also. Just for fun.

hdtunebenchmarkwdcwd150.png


Here is my 150GB Velociraptor brand new on the left, and 2yrs of use on the right.
 
Why does it take such a dump in performance after 60%?
My guess is there is some other program reading the disk while you are benchmarking. Is this repeatable? This could also be caused by unreadable / difficult to read sectors. Have you looked at the SMART for the drives?
 
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