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HD Tune Pro - What does this mean?

post #1 of 4
Thread Starter 
One of the things that bugs me about HD Tune is it creates this nice graph, and then... I have no idea what it is supposed to mean. I tested one of my drives and it doesn't look like other drive test graphs I've seen. What am I supposed to be looking for here?

Here's my graph:

post #2 of 4
The down spikes are either measurement error because some process was trying to access the HDD from time to time or something related to the firmware that doesn't like the way HDTune access the drive. You have speed that drops from 90 to 50 MB/s and average response time of 16.6ms; considering your drive is a F1-class Samsung drive it should be quite a bit faster, so probably you have something running in the background that is lowering bench results.
Centurion
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CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
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Centurion
(14 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 940 @3.3GHz 1.25V Gigabyte 790X-DS4 XFX 5850 8GB OCZ DDR2-800 
Hard DriveCoolingOSMonitor
Corsair Force 3 TRUE Win 7 Pro x64 ACER 23" TN  
PowerCase
400W Silverstone Strider Antec P182 
  hide details  
Reply
post #3 of 4
Thread Starter 
Thanks for your response. Does this report from Crystal tell you anything else?



I am checking the drive because Windows 7 just doesn't run like it should (when starting tasks other tasks pause, access to drives seems slow at first). This is one of three logical drives on the hard drive.
post #4 of 4
how big is each partition on the drive, and what is on each of them?

Looks like indexing or something similar is accessing the drive every few seconds - can you bench it as a non-OS drive in another rig?
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