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

[Greg Ganger]

The saturation error happens because the workload is heavier than the
simualted storage system can handle... not because the simulator itself
can't keep up.

Good luck,

Greg


On Tue, 8 Feb 2011, Peyman Behzadnia wrote:

> 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
>