[Disksim-users] Has anyone used DIXtrac?

Greg Ganger ganger at ece.cmu.edu
Mon Jul 5 16:12:46 EDT 2010


Perhaps I am misunderstanding, but you should not expect DIXtrac to
successfully characterize a virtual disk.

Greg


On Mon, 5 Jul 2010, Yonggang Liu wrote:

> Hello all,
>
> I'm pretty new to Disksim. Recently I met some problems when I was running
> DIXtrac on CentOS 5.1 to model the 8GB SCSI disk on VMWare.
>
> I followed what DIXtrac says to extract the local disk model. The first
> problem is when doing the disk layout mapping, it shows "Cannot handle
> defect list format (0)". So I looked into the code and commented out the
> "read_defect_list" function in that hope that it still works correctly. But
> after then I met the second problem. When I'm running pass0.py, the program
> kept running all the time (it didn't finish after several days). I think it
> may because the python program has used up too big memory, since it stores
> the entire content of "layout.mappings" to the object "lout". But the
> layout.mappings file is usually in the scale of gegabyte, which the memory
> can not deal with. To verify my guessing, I tried the small layout.mappings
> files, and this time pass0.py works well.
>
> These problems have confused me for a couple of weeks. If anyone have used
> DIXtrac, could you please help me? I will really appreciate it. Thank you
> very much!
>
> -- 
> Yonggang Liu
> Advanced Computing and Information Systems Laboratory
> University of Florida
>



More information about the Disksim-users mailing list