[Disksim-users] How to Fix the Saturation Error Due to Heavy Workload!

Peyman Behzadnia pbehzadn at mail.usf.edu
Tue Feb 8 17:32:54 EST 2011


Dear All,

This is Peyman Behzadnia, a PhD student in Computer Science & Engineering.
I'm contacting you guys regarding the 'Saturation Error' of the disksim.

I've run a simulation on top of the disksim4 in which i have to feed the
simulator with my ascii-format workload with high intensity (100-700
requests per second). The problem is that the disksim has constantly given
the saturation error: the simulation stopped due to saturation. I have
re-checked all of the detailed parameters in my parameter file and also have
tested my workload with the sample parameter files provided by the disksim.
But, it gives the same error. When i decrease the intensity into 1 request
per 1-2seconds, it works well.
I personally do not believe that such disk simulator can not even handle 20
requests per second. It might be something about a configuration. I
appreciate if somebody can give me a hint or comment about how to fix this
saturation error.

Best,
Peyman
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